Gross Combined Vehicle Weight Rating. The maximum weight for a vehicle, its cargo, and its towed load.
Talk to an expert at RANDYS:1-866-631-0196 Live Chat
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The original name for the common universal joint, named for the 16th century Italian mathematician, Jerome Cardan, who established the basic principle of operation.
Usually, pressing in the clutch to uncouple the engine from the drivetrain. It can also refer to the neutral position of items like the transfer case, PTOs, winches, CADs, and other items that use a mechanical disconnect.
The point at which the material cannot return to its original shape.
Friction, or drag, that comes from the viscosity of fluids. Heavier oils will create more drag which will sap horsepower.
Gross Combined Vehicle Weight Rating. The maximum weight for a vehicle, its cargo, and its towed load.
A property of metal, relating to the strength of the material.
This stands for “Independent Front Suspension”, a housing which allows the left and right axles to move up and down separately from each other.
A limited slip differential is a type of carrier case where the spider gears are preloaded and prevented from turning easily via a friction surface. Once enough power has been applied to the spiders, which is called a breakaway point, the spiders can turn. The preload and friction can sometimes cause noise or “chatter” when negotiating a turn.
The property of a material to bend or twist without rupture, usually referring to steel in an unfinished state.
Nitriding is a surface treatment that case hardens metal. The part is heated in a closed environment with a nitrogenous material, usually ammonia. The surface absorbs nitrogen and becomes harder. Much harder surfaces can be obtained than with other case hardening processes.
The input drive for the differential, a shaft with a small gear attached. The “spider” gears in an open differential are also called pinions.
The ring gear bolts to the carrier and is driven by the pinion gear.
A semi-floating axle rides on an outer bearing, thus supporting the weight of the vehicle. In semi-floating applications the wheel is bolted directly to the axle.
The point at which the material ruptures (breaks). Often expressed in psi.
This is a method where flanges are forged onto the end of metal bar stock that will become an axle. Typically, the bar is near its melting point. It goes into a press, the shaft is clamped in a die at a particular point and the portion above the die is tooled into the desired shape. It not only produces the flange but hardens it to a desirable point. Often, the flange area receives no further hardening.
The point where the material takes on a noticeable, permanent deformation. Yield strength is the rated ability of the material to resist this permanent deformation, typically expressed in psi.
The primary function of a limited slip differential (LSD) is to effectively distribute torque as needed. During regular driving conditions, a positraction LSD is engaged, ensuring equal traction is provided to both wheels. However, when the throttle is aggressively pressed, tight corners are taken, or when navigating through loose gravel trails, the LSD kicks in to limit wheel spin across the drive axle. It achieves this by allowing the axle shafts to spin at different speeds while continuously attempting to balance the distribution of torque between the two axles. Consequently, power is transferred to the wheel that has the best traction, thereby improving grip, control, and overall predictability of the vehicle.
Learn more about limited slip differentials in our How It Works blog article here.
Watch our “Are Posis Worth It?” video to get more info about limited-slip differentials.
|Remanufactured Unit Charge Back Guide*|
|Hole in case or housing:|
|-Differential (Bad Spindle, Crack/Hole in Housing)||50%|
|Oil not drained completely||$25.00|
|Core returned without shipping tote||$150.00|
|Shipping tote returned without core||No Credit|
|Tote hardware not returned (Straps, insert, foam)||$25.00|
|Reman unit not like for like||No Credit|
* All charge backs will be deducted from Core Return Value.
The carrier, or carrier case, is the unit which the ring gear bolts to and axles slide into. The carrier case transfers power from the ring gear to the axles.
A dropout is a type of differential housing in which the gear case assembly can be removed from the housing. Other differential housings simply have inspection covers which are removed, allowing you to work on the differential inside the housing. The advantage of a drop out style housing is the ability to work on the differential on a bench.
The property of metal that allows it to be deformed (strained) but return to its original shape.
This is divided into two categories, hot forging and cold forging. Hot forging is done when the metal is red hot and soft. Cold forging is done with the metal no hotter than 1/3 its melting point. In both cases, the metal is worked under high pressure (usually a giant press or hammering machine) to tighten the grain structure of the steel and make it stronger. Often the steel is formed into a particular shape at the same time.
Numerically low gear ratios. Generally speaking, ratios from 2.50:1 to 3.54:1 are considered “high”.
This stands for “Independent Rear Suspension”, a housing which allows the left and right axles to move up and down separately from each other.
A locker is a mechanical ratcheting unit that drives both tires when under power. A locker does allow one side to disengage when turning, often resulting in a “banging” or “clunking” sound.
Steel that is reheated to its critical range temperature, then cooled in still, open air. The process makes the piece uniform in strength and relieves stresses. Without heat treatment, formed metal will try to go back to its original shape.
The angle of the differential input pinion in relation to the horizontal position.
A shim is a thin piece of metal that is used to either adjust the fitment of other parts or take up a gap.
A third member is a type of differential housing in which the gear case assembly can be removed from the housing. Other differential housings simply have inspection covers which are removed, allowing you to work on the differential inside the housing. The advantage of a drop out style housing is the ability to work on the differential on a bench.
When traveling in a straight line where wheel speeds are identical on both sides, all LSDs continuously provide equal traction to both tires. The difference between LSD types has to do with how this occurs and what happens when additional traction is needed.
In a clutch-type unit, the spring array applies pressure to the side gears which puts pressure on the clutch packs in the outer part of the carrier. Both axles get equal pressure and both tires get equal traction. When a tire starts slipping, the clutch packs are engaged with different resistance. The clutches work to maintain synchronization between the tires, transferring more torque to the tire that has the best grip while reducing torque transfer to the tire that has less grip.
A gear-type LSD has no frictional surfaces to initiate torque transfer. It uses floating helical-cut worm gears that operate in pockets and mesh together. Under normal driving conditions this type of LSD acts like an open diff. When acceleration or wheel slippage occurs, axial and radial thrust is applied to the helical gear pinions in their pockets. Under these loads, more torque is transferred to the tire with the best traction in a progressive manner as torque is withheld from the tire that is slipping.
Last updated March 12, 2021
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This is a process where the outer shell or case of the metal is hardened only to a precise and predetermined depth.
A property of metal referring to its ability to deform without rupture. Closely related to the terms “malleable” and “malleability”. Used to describe the malleability of a finished part, where certain amounts of that quality are desirable.
Referring to a situation where water and oil are mixed, resulting in a light brown substance in the axle housing. This should be removed immediately as it can create acids that can cause corrosion.
A full floating axle is a housing type in which the axle does not carry the load of the vehicle and does not have the wheel bolt directly to it. Full floating axles bolt to a spindle, which ultimately drives the wheels.
High pinion refers to a housing where the pinion enters above the centerline. This is also called a “reverse-rotation” housing. High pinion housings are only found in the fronts of some factory vehicles.
This is a method of case hardening. It’s a common hardening method for axles because it’s fast and can be localized and controlled. Typically, electromagnetic coils are used and the part is heated to a precise temperature and for a precise time, sometimes in several cycles, then instantly cooled. The beauty of induction hardening is that the depth of the hardening can be very precisely controlled.
Numerically high gear ratios. Generally speaking, ratios from 4.10:1 to about 6.13:1 are considered low gears. Lower than 4.88:1 is “super” low while ratios from 3.54:1 to 4.10:1 are regarded as moderately low.
The pinion gear turns the pinion gear, transferring power from the driveline.
The side gear fits into the housing and has splines on the inside which accepts the axle splines. Side gears are part of the spider gear set.
The entire part is hardened to a uniform standard by heating and cooling according to a precise timetable and temperature chart.
Yes. Your ride will drive better than ever because both wheels will receive traction. When things get hot the Spartan Helical LSD will limit wheelspin across the drive axle by permitting the axle shafts to spin at different speeds while continuously trying to balance the application of torque between the two axles. This results in transferring more power to the wheel with the best traction. This improves vehicle control and performance. Mashing the throttle, taking a tight corner aggressively, or working through loose gravel or challenging sections of trail will actuate the unit’s gear array to increase your traction.
Get for more information on the Spartan Helical LSD and LSDs in general in our Stengths & Advantages Of The Spartan Helical LSD blog article.
Last updated December 12, 2019
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We will maintain certain data that you transmit to the Site for the purpose of managing the performance of the Site, as well as data relating to your use of the Site. Although we perform regular routine backups of data, you are solely responsible for all data that you transmit or that relates to any activity you have undertaken using the Site. You agree that we shall have no liability to you for any loss or corruption of any such data, and you hereby waive any right of action against us arising from any such loss or corruption of such data.
ELECTRONIC COMMUNICATIONS, TRANSACTIONS, AND SIGNATURES
Visiting the Site, sending us emails, and completing online forms constitute electronic communications. You consent to receive electronic communications, and you agree that all agreements, notices, disclosures, and other communications we provide to you electronically, via email and on the Site, satisfy any legal requirement that such communication be in writing. YOU HEREBY AGREE TO THE USE OF ELECTRONIC SIGNATURES, CONTRACTS, ORDERS, AND OTHER RECORDS, AND TO ELECTRONIC DELIVERY OF NOTICES, POLICIES, AND RECORDS OF TRANSACTIONS INITIATED OR COMPLETED BY US OR VIA THE SITE. You hereby waive any rights or requirements under any statutes, regulations, rules, ordinances, or other laws in any jurisdiction which require an original signature or delivery or retention of non-electronic records, or to payments or the granting of credits by any means other than electronic means.
CALIFORNIA USERS AND RESIDENTS
If any complaint with us is not satisfactorily resolved, you can contact the Complaint Assistance Unit of the Division of Consumer Services of the California Department of Consumer Affairs in writing at 1625 North Market Blvd., Suite N 112, Sacramento, California 95834 or by telephone at (800) 952-5210 or (916) 445-1254.
In order to resolve a complaint regarding the Site or to receive further information regarding use of the Site, please contact us at:
Ring & Pinion Service, Inc., LLC
10411 Airport Rd
Everett, WA 98204
The forward or backwards tilt of the steering axis. Positive caster tilts the top pivot from the vertical toward the rear of the vehicle and negative does the opposite.
The amount of stress below which a part will survive a very high number of stress cycles without failure. For example: an axle shaft may survive 1,000,000 cycles of being twisted one degree; 200,000 cycles of being twisted five degrees; but only 50 cycles of being twisted ten degrees.
Pinion preload is the amount of resistance or “drag” measured when attempting to turn the pinion without the carrier installed.
The spider gears are a set of four to six gears which install into the carrier. The rotation of the spider gears allows one axle to spin faster or slower than the other.
The rotational force measured in pounds-feet or Newton-meters.
Some are, some aren’t.
Clutch-type LSDs, like our Dura Grip, can be rebuilt. Rebuilding involves replacing the clutches in the unit. The clutches can be replaced to bring the unit back to its original performance level, or non-stock clutches with different friction characteristics and springs with custom compression rates can be used to fine tune the Dura Grip’s performance to better match the style of driving/racing you are doing.
Gear-type LSDs, like our Spartan Helical, do not require rebuilding because there are no clutches to replace, there is nothing to rebuild. The unit’s internal worm gears should last the life of your vehicle.
A C-clip is a semi-circular retaining clip used to hold semi-float axles in the housing. With the cross spin shaft removed, the axle can be pushed into the housing far enough for the C-clip to be installed into a groove on the end of the axle splines. The axle is then pulled back outward until the C-clip seats into a groove in the side gear. The cross pin shaft is then installed, preventing the axle from moving inward and the C-clip from falling out.
The pinion yoke attaches to the pinion gear to the driveshaft.
A device that connects the two axles directly to the ring gear.
A fluid coupling/clutch used in automatic transmissions. It consists of three main parts: the impeller, which is driven by the engine; the turbine, which is connected directly to the transmission; and this stator, which lies between the two.
Using non-synthetic 80W-90 GL-5 will produce optimum performance in our Dura Grip clutch-type units.
Learn more about LSD oils, and drivetrain lubrication in general, by watching our “Tech Talks, Oils and Additives” video.
Data protection is of a particularly high priority for the management of RANDYS Worldwide.
The processing of personal data, such as the name, address, e-mail address, or telephone number of a data subject shall always be in line with the General Data Protection Regulation (GDPR), and in accordance with the country-specific data protection regulations applicable to RANDYS Worldwide. By means of this data protection declaration, our enterprise would like to inform the general public of the nature, scope, and purpose of the personal data we collect, use and process. Furthermore, data subjects are informed, by means of this data protection declaration, of the rights to which they are entitled.
As the controller, RANDYS Worldwide has implemented numerous technical and organizational measures to ensure the most complete protection of personal data processed through this website. However, Internet-based data transmissions may in principle have security gaps, so absolute protection may not be guaranteed. For this reason, every data subject is free to transfer personal data to us via alternative means, e.g. by telephone.
The data protection declaration of RANDYS Worldwide is based on the terms used by the European legislator for the adoption of the General Data Protection Regulation (GDPR). Our data protection declaration should be legible and understandable for the general public, as well as our customers and business partners. To ensure this, we would like to first explain the terminology used.
In this data protection declaration, we use, inter alia, the following terms:
Controller for the purposes of the General Data Protection Regulation (GDPR), other data protection laws applicable in Member states of the European Union and other provisions related to data protection is:
10411 Airport Rd
The data subject may, at any time, prevent the setting of cookies through our website by means of a corresponding setting of the Internet browser used, and may thus permanently deny the setting of cookies. Furthermore, already set cookies may be deleted at any time via an Internet browser or other software programs. This is possible in all popular Internet browsers. If the data subject deactivates the setting of cookies in the Internet browser used, not all functions of our website may be entirely usable.
The website of RANDYS Worldwide collects a series of general data and information when a data subject or automated system calls up the website. This general data and information are stored in the server log files. Collected may be (1) the browser types and versions used, (2) the operating system used by the accessing system, (3) the website from which an accessing system reaches our website (so-called referrers), (4) the sub-websites, (5) the date and time of access to the Internet site, (6) an Internet protocol address (IP address), (7) the Internet service provider of the accessing system, and (8) any other similar data and information that may be used in the event of attacks on our information technology systems.
When using these general data and information, RANDYS Worldwide does not draw any conclusions about the data subject. Rather, this information is needed to (1) deliver the content of our website correctly, (2) optimize the content of our website as well as its advertisement, (3) ensure the long-term viability of our information technology systems and website technology, and (4) provide law enforcement authorities with the information necessary for criminal prosecution in case of a cyber-attack. Therefore, RANDYS Worldwide analyzes anonymously collected data and information statistically, with the aim of increasing the data protection and data security of our enterprise, and to ensure an optimal level of protection for the personal data we process. The anonymous data of the server log files are stored separately from all personal data provided by a data subject.
The data subject has the possibility to register on the website of the controller with the indication of personal data. Which personal data are transmitted to the controller is determined by the respective input mask used for the registration. The personal data entered by the data subject are collected and stored exclusively for internal use by the controller, and for his own purposes. The controller may request transfer to one or more processors (e.g. a parcel service) that also uses personal data for an internal purpose which is attributable to the controller.
By registering on the website of the controller, the IP address—assigned by the Internet service provider (ISP) and used by the data subject—date, and time of the registration are also stored. The storage of this data takes place against the background that this is the only way to prevent the misuse of our services, and, if necessary, to make it possible to investigate committed offenses. Insofar, the storage of this data is necessary to secure the controller. This data is not passed on to third parties unless there is a statutory obligation to pass on the data, or if the transfer serves the aim of criminal prosecution.
The registration of the data subject, with the voluntary indication of personal data, is intended to enable the controller to offer the data subject contents or services that may only be offered to registered users due to the nature of the matter in question. Registered persons are free to change the personal data specified during the registration at any time, or to have them completely deleted from the data stock of the controller.
The data controller shall, at any time, provide information upon request to each data subject as to what personal data are stored about the data subject. In addition, the data controller shall correct or erase personal data at the request or indication of the data subject, insofar as there are no statutory storage obligations. The entirety of the controller’s employees are available to the data subject in this respect as contact persons.
On the website of RANDYS Worldwide, users are given the opportunity to subscribe to our enterprise’s newsletter. The input mask used for this purpose determines what personal data are transmitted, as well as when the newsletter is ordered from the controller.
RANDYS Worldwide informs its customers and business partners regularly by means of a newsletter about enterprise offers. The enterprise’s newsletter may only be received by the data subject if (1) the data subject has a valid e-mail address and (2) the data subject registers for the newsletter shipping. A confirmation e-mail will be sent to the e-mail address registered by a data subject for the first time for newsletter shipping, for legal reasons, in the double opt-in procedure. This confirmation e-mail is used to prove whether the owner of the e-mail address as the data subject is authorized to receive the newsletter.
During the registration for the newsletter, we also store the IP address of the computer system assigned by the Internet service provider (ISP) and used by the data subject at the time of the registration, as well as the date and time of the registration. The collection of this data is necessary in order to understand the (possible) misuse of the e-mail address of a data subject at a later date, and it therefore serves the aim of the legal protection of the controller.
The personal data collected as part of a registration for the newsletter will only be used to send our newsletter. In addition, subscribers to the newsletter may be informed by e-mail, as long as this is necessary for the operation of the newsletter service or a registration in question, as this could be the case in the event of modifications to the newsletter offer, or in the event of a change in technical circumstances. There will be no transfer of personal data collected by the newsletter service to third parties. The subscription to our newsletter may be terminated by the data subject at any time. The consent to the storage of personal data, which the data subject has given for shipping the newsletter, may be revoked at any time. For the purpose of revocation of consent, a corresponding link is found in each newsletter. It is also possible to unsubscribe from the newsletter at any time directly on the website of the controller, or to communicate this to the controller in a different way.
The newsletter of RANDYS Worldwide contains so-called tracking pixels. A tracking pixel is a miniature graphic embedded in such e-mails, which are sent in HTML format to enable log file recording and analysis. This allows a statistical analysis of the success or failure of online marketing campaigns. Based on the embedded tracking pixel, RANDYS Worldwide may see if and when an e-mail was opened by a data subject, and which links in the e-mail were called up by data subjects.
Such personal data collected in the tracking pixels contained in the newsletters are stored and analyzed by the controller in order to optimize the shipping of the newsletter, as well as to adapt the content of future newsletters even better to the interests of the data subject. These personal data will not be passed on to third parties. Data subjects are at any time entitled to revoke the respective separate declaration of consent issued by means of the double-opt-in procedure. After a revocation, these personal data will be deleted by the controller. RANDYS Worldwide automatically regards a withdrawal from the receipt of the newsletter as a revocation.
The website of RANDYS Worldwide contains information that enables a quick electronic contact to our enterprise, as well as direct communication with us, which also includes a general address of the so-called electronic mail (e-mail address). If a data subject contacts the controller by e-mail or via a contact form, the personal data transmitted by the data subject are automatically stored. Such personal data transmitted on a voluntary basis by a data subject to the data controller are stored for the purpose of processing or contacting the data subject. There is no transfer of this personal data to third parties.
RANDYS Worldwide offers users the possibility to leave individual comments on individual blog contributions on a blog, which is on the website of the controller. A blog is a web-based, publicly-accessible portal, through which one or more people called bloggers or web-bloggers may post articles or write down thoughts in so-called blogposts. Blogposts may usually be commented by third parties.
If a data subject leaves a comment on the blog published on this website, the comments made by the data subject are also stored and published, as well as information on the date of the commentary and on the user’s (pseudonym) chosen by the data subject. In addition, the IP address assigned by the Internet service provider (ISP) to the data subject is also logged. This storage of the IP address takes place for security reasons, and in case the data subject violates the rights of third parties, or posts illegal content through a given comment. The storage of these personal data is, therefore, in the own interest of the data controller, so that he can exculpate in the event of an infringement. This collected personal data will not be passed to third parties, unless such a transfer is required by law or serves the aim of the defense of the data controller.
The comments made in the blog of RANDYS Worldwide may be subscribed to by third parties. In particular, there is the possibility that a commenter subscribes to the comments following his comments on a particular blog post.
If a data subject decides to subscribe to the option, the controller will send an automatic confirmation e-mail to check the double opt-in procedure as to whether the owner of the specified e-mail address decided in favor of this option. The option to subscribe to comments may be terminated at any time.
The data controller shall process and store the personal data of the data subject only for the period necessary to achieve the purpose of storage, or as far as this is granted by the European legislator or other legislators in laws or regulations to which the controller is subject to.
If the storage purpose is not applicable, or if a storage period prescribed by the European legislator or another competent legislator expires, the personal data are routinely blocked or erased in accordance with legal requirements.
The data controller shall collect and process the personal data of applicants for the purpose of the processing of the application procedure. The processing may also be carried out electronically. This is the case, in particular, if an applicant submits corresponding application documents by e-mail or by means of a web form on the website to the controller. If the data controller concludes an employment contract with an applicant, the submitted data will be stored for the purpose of processing the employment relationship in compliance with legal requirements. If no employment contract is concluded with the applicant by the controller, the application documents shall be automatically erased two months after notification of the refusal decision, provided that no other legitimate interests of the controller are opposed to the erasure. Other legitimate interest in this relation is, e.g. a burden of proof in a procedure under the General Equal Treatment Act (AGG).
On this website, the controller has integrated components of the enterprise Facebook. Facebook is a social network.
A social network is a place for social meetings on the Internet, an online community, which usually allows users to communicate with each other and interact in a virtual space. A social network may serve as a platform for the exchange of opinions and experiences, or enable the Internet community to provide personal or business-related information. Facebook allows social network users to include the creation of private profiles, upload photos, and network through friend requests.
The operating company of Facebook is Facebook, Inc., 1 Hacker Way, Menlo Park, CA 94025, United States. If a person lives outside of the United States or Canada, the controller is the Facebook Ireland Ltd., 4 Grand Canal Square, Grand Canal Harbour, Dublin 2, Ireland.
With each call-up to one of the individual pages of this Internet website, which is operated by the controller and into which a Facebook component (Facebook plug-ins) was integrated, the web browser on the information technology system of the data subject is automatically prompted to download display of the corresponding Facebook component from Facebook through the Facebook component. An overview of all the Facebook Plug-ins may be accessed under https://developers.facebook.com/docs/plugins/. During the course of this technical procedure, Facebook is made aware of what specific sub-site of our website was visited by the data subject.
If the data subject is logged in at the same time on Facebook, Facebook detects with every call-up to our website by the data subject—and for the entire duration of their stay on our Internet site—which specific sub-site of our Internet page was visited by the data subject. This information is collected through the Facebook component and associated with the respective Facebook account of the data subject. If the data subject clicks on one of the Facebook buttons integrated into our website, e.g. the “Like” button, or if the data subject submits a comment, then Facebook matches this information with the personal Facebook user account of the data subject and stores the personal data.
Facebook always receives, through the Facebook component, information about a visit to our website by the data subject, whenever the data subject is logged in at the same time on Facebook during the time of the call-up to our website. This occurs regardless of whether the data subject clicks on the Facebook component or not. If such a transmission of information to Facebook is not desirable for the data subject, then he or she may prevent this by logging off from their Facebook account before a call-up to our website is made.
The data protection guideline published by Facebook, which is available at https://facebook.com/about/privacy/, provides information about the collection, processing and use of personal data by Facebook. In addition, it is explained there what setting options Facebook offers to protect the privacy of the data subject. In addition, different configuration options are made available to allow the elimination of data transmission to Facebook. These applications may be used by the data subject to eliminate a data transmission to Facebook.
On this website, the controller has integrated the component of Google Analytics (with the anonymizer function). Google Analytics is a web analytics service. Web analytics is the collection, gathering, and analysis of data about the behavior of visitors to websites. A web analysis service collects, inter alia, data about the website from which a person has come (the so-called referrer), which sub-pages were visited, or how often and for what duration a sub-page was viewed. Web analytics are mainly used for the optimization of a website and in order to carry out a cost-benefit analysis of Internet advertising.
The operator of the Google Analytics component is Google Inc., 1600 Amphitheatre Pkwy, Mountain View, CA 94043-1351, United States.
For the web analytics through Google Analytics the controller uses the application “_gat. _anonymizeIp”. By means of this application the IP address of the Internet connection of the data subject is abridged by Google and anonymised when accessing our websites from a Member State of the European Union or another Contracting State to the Agreement on the European Economic Area.
The purpose of the Google Analytics component is to analyze the traffic on our website. Google uses the collected data and information, inter alia, to evaluate the use of our website and to provide online reports, which show the activities on our websites, and to provide other services concerning the use of our Internet site for us.
Google Analytics places a cookie on the information technology system of the data subject. The definition of cookies is explained above. With the setting of the cookie, Google is enabled to analyze the use of our website. With each call-up to one of the individual pages of this Internet site, which is operated by the controller and into which a Google Analytics component was integrated, the Internet browser on the information technology system of the data subject will automatically submit data through the Google Analytics component for the purpose of online advertising and the settlement of commissions to Google. During the course of this technical procedure, the enterprise Google gains knowledge of personal information, such as the IP address of the data subject, which serves Google, inter alia, to understand the origin of visitors and clicks, and subsequently create commission settlements.
The cookie is used to store personal information, such as the access time, the location from which the access was made, and the frequency of visits of our website by the data subject. With each visit to our Internet site, such personal data, including the IP address of the Internet access used by the data subject, will be transmitted to Google in the United States of America. These personal data are stored by Google in the United States of America. Google may pass these personal data collected through the technical procedure to third parties.
The data subject may, as stated above, prevent the setting of cookies through our website at any time by means of a corresponding adjustment of the web browser used and thus permanently deny the setting of cookies. Such an adjustment to the Internet browser used would also prevent Google Analytics from setting a cookie on the information technology system of the data subject. In addition, cookies already in use by Google Analytics may be deleted at any time via a web browser or other software programs.
Further information and the applicable data protection provisions of Google may be retrieved under https://www.google.com/intl/en/policies/privacy/ and under http://www.google.com/analytics/terms/us.html. Google Analytics is further explained under the following Link https://www.google.com/analytics/.
On this website, the controller has integrated Google Remarketing services. Google Remarketing is a feature of Google AdWords, which allows an enterprise to display advertising to Internet users who have previously resided on the enterprise’s Internet site. The integration of Google Remarketing therefore allows an enterprise to create user-based advertising and thus shows relevant advertisements to interested Internet users.
The operating company of the Google Remarketing services is the Google Inc., 1600 Amphitheatre Pkwy, Mountain View, CA 94043-1351, United States.
The purpose of Google Remarketing is the insertion of interest-relevant advertising. Google Remarketing allows us to display ads on the Google network or on other websites, which are based on individual needs and matched to the interests of Internet users.
Google Remarketing sets a cookie on the information technology system of the data subject. The definition of cookies is explained above. With the setting of the cookie, Google enables a recognition of the visitor of our website if he calls up consecutive web pages, which are also a member of the Google advertising network. With each call-up to an Internet site on which the service has been integrated by Google Remarketing, the web browser of the data subject identifies automatically with Google. During the course of this technical procedure, Google receives personal information, such as the IP address or the surfing behaviour of the user, which Google uses, inter alia, for the insertion of interest relevant advertising.
The cookie is used to store personal information, e.g. the Internet pages visited by the data subject. Each time we visit our Internet pages, personal data, including the IP address of the Internet access used by the data subject, is transmitted to Google in the United States of America. These personal data are stored by Google in the United States of America. Google may pass these personal data collected through the technical procedure to third parties.
The data subject may, as stated above, prevent the setting of cookies through our website at any time by means of a corresponding adjustment of the web browser used and thus permanently deny the setting of cookies. Such an adjustment to the Internet browser used would also prevent Google from setting a cookie on the information technology system of the data subject. In addition, cookies already in use by Google may be deleted at any time via a web browser or other software programs.
In addition, the data subject has the possibility of objecting to the interest-based advertising by Google. For this purpose, the data subject must call up the link to www.google.de/settings/ads and make the desired settings on each Internet browser used by the data subject.
Further information and the actual data protection provisions of Google may be retrieved under https://www.google.com/intl/en/policies/privacy/.
On this website, the controller has integrated the Google+ button as a component. Google+ is a so-called social network. A social network is a social meeting place on the Internet, an online community, which usually allows users to communicate with each other and interact in a virtual space. A social network may serve as a platform for the exchange of opinions and experiences, or enable the Internet community to provide personal or business-related information. Google+ allows users of the social network to include the creation of private profiles, upload photos and network through friend requests.
The operating company of Google+ is Google Inc., 1600 Amphitheatre Pkwy, Mountain View, CA 94043-1351, UNITED STATES.
With each call-up to one of the individual pages of this website, which is operated by the controller and on which a Google+ button has been integrated, the Internet browser on the information technology system of the data subject automatically downloads a display of the corresponding Google+ button of Google through the respective Google+ button component. During the course of this technical procedure, Google is made aware of what specific sub-page of our website was visited by the data subject. More detailed information about Google+ is available under https://developers.google.com/+/.
If the data subject is logged in at the same time to Google+, Google recognizes with each call-up to our website by the data subject and for the entire duration of his or her stay on our Internet site, which specific sub-pages of our Internet page were visited by the data subject. This information is collected through the Google+ button and Google matches this with the respective Google+ account associated with the data subject.
If the data subject clicks on the Google+ button integrated on our website and thus gives a Google+ 1 recommendation, then Google assigns this information to the personal Google+ user account of the data subject and stores the personal data. Google stores the Google+ 1 recommendation of the data subject, making it publicly available in accordance with the terms and conditions accepted by the data subject in this regard. Subsequently, a Google+ 1 recommendation given by the data subject on this website together with other personal data, such as the Google+ account name used by the data subject and the stored photo, is stored and processed on other Google services, such as search-engine results of the Google search engine, the Google account of the data subject or in other places, e.g. on Internet pages, or in relation to advertisements. Google is also able to link the visit to this website with other personal data stored on Google. Google further records this personal information with the purpose of improving or optimizing the various Google services.
Through the Google+ button, Google receives information that the data subject visited our website, if the data subject at the time of the call-up to our website is logged in to Google+. This occurs regardless of whether the data subject clicks or doesn’t click on the Google+ button.
If the data subject does not wish to transmit personal data to Google, he or she may prevent such transmission by logging out of his Google+ account before calling up our website.
Further information and the data protection provisions of Google may be retrieved under https://www.google.com/intl/en/policies/privacy/. More references from Google about the Google+ 1 button may be obtained under https://developers.google.com/+/web/buttons-policy.
On this website, the controller has integrated Google AdWords. Google AdWords is a service for Internet advertising that allows the advertiser to place ads in Google search engine results and the Google advertising network. Google AdWords allows an advertiser to pre-define specific keywords with the help of which an ad on Google’s search results only then displayed, when the user utilizes the search engine to retrieve a keyword-relevant search result. In the Google Advertising Network, the ads are distributed on relevant web pages using an automatic algorithm, taking into account the previously defined keywords.
The operating company of Google AdWords is Google Inc., 1600 Amphitheatre Pkwy, Mountain View, CA 94043-1351, UNITED STATES.
The purpose of Google AdWords is the promotion of our website by the inclusion of relevant advertising on the websites of third parties and in the search engine results of the search engine Google and an insertion of third-party advertising on our website.
If a data subject reaches our website via a Google ad, a conversion cookie is filed on the information technology system of the data subject through Google. The definition of cookies is explained above. A conversion cookie loses its validity after 30 days and is not used to identify the data subject. If the cookie has not expired, the conversion cookie is used to check whether certain sub-pages, e.g, the shopping cart from an online shop system, were called up on our website. Through the conversion cookie, both Google and the controller can understand whether a person who reached an AdWords ad on our website generated sales, that is, executed or canceled a sale of goods.
The data and information collected through the use of the conversion cookie is used by Google to create visit statistics for our website. These visit statistics are used in order to determine the total number of users who have been served through AdWords ads to ascertain the success or failure of each AdWords ad and to optimize our AdWords ads in the future. Neither our company nor other Google AdWords advertisers receive information from Google that could identify the data subject.
The conversion cookie stores personal information, e.g. the Internet pages visited by the data subject. Each time we visit our Internet pages, personal data, including the IP address of the Internet access used by the data subject, is transmitted to Google in the United States of America. These personal data are stored by Google in the United States of America. Google may pass these personal data collected through the technical procedure to third parties.
The data subject may, at any time, prevent the setting of cookies by our website, as stated above, by means of a corresponding setting of the Internet browser used and thus permanently deny the setting of cookies. Such a setting of the Internet browser used would also prevent Google from placing a conversion cookie on the information technology system of the data subject. In addition, a cookie set by Google AdWords may be deleted at any time via the Internet browser or other software programs.
The data subject has a possibility of objecting to the interest based advertisement of Google. Therefore, the data subject must access from each of the browsers in use the link www.google.de/settings/ads and set the desired settings.
Further information and the applicable data protection provisions of Google may be retrieved under https://www.google.com/intl/en/policies/privacy/.
On this website, the controller has integrated components of the service Instagram. Instagram is a service that may be qualified as an audiovisual platform, which allows users to share photos and videos, as well as disseminate such data in other social networks.
The operating company of the services offered by Instagram is Instagram LLC, 1 Hacker Way, Building 14 First Floor, Menlo Park, CA, UNITED STATES.
With each call-up to one of the individual pages of this Internet site, which is operated by the controller and on which an Instagram component (Insta button) was integrated, the Internet browser on the information technology system of the data subject is automatically prompted to the download of a display of the corresponding Instagram component of Instagram. During the course of this technical procedure, Instagram becomes aware of what specific sub-page of our website was visited by the data subject.
If the data subject is logged in at the same time on Instagram, Instagram detects with every call-up to our website by the data subject—and for the entire duration of their stay on our Internet site—which specific sub-page of our Internet page was visited by the data subject. This information is collected through the Instagram component and is associated with the respective Instagram account of the data subject. If the data subject clicks on one of the Instagram buttons integrated on our website, then Instagram matches this information with the personal Instagram user account of the data subject and stores the personal data.
Instagram receives information via the Instagram component that the data subject has visited our website provided that the data subject is logged in at Instagram at the time of the call to our website. This occurs regardless of whether the person clicks on the Instagram button or not. If such a transmission of information to Instagram is not desirable for the data subject, then he or she can prevent this by logging off from their Instagram account before a call-up to our website is made.
Further information and the applicable data protection provisions of Instagram may be retrieved under https://help.instagram.com/155833707900388 and https://www.instagram.com/about/legal/privacy/.
The controller has integrated components of the LinkedIn Corporation on this website. LinkedIn is a web-based social network that enables users with existing business contacts to connect and to make new business contacts. Over 400 million registered people in more than 200 countries use LinkedIn. Thus, LinkedIn is currently the largest platform for business contacts and one of the most visited websites in the world.
With each call-up to one of the individual pages of this Internet site, which is operated by the controller and on which a LinkedIn component (LinkedIn plug-in) was integrated, the Internet browser on the information technology system of the data subject is automatically prompted to the download of a display of the corresponding LinkedIn component of LinkedIn. Further information about the LinkedIn plug-in may be accessed under https://developer.linkedin.com/plugins. During the course of this technical procedure, LinkedIn gains knowledge of what specific sub-page of our website was visited by the data subject.
If the data subject is logged in at the same time on LinkedIn, LinkedIn detects with every call-up to our website by the data subject—and for the entire duration of their stay on our Internet site—which specific sub-page of our Internet page was visited by the data subject. This information is collected through the LinkedIn component and associated with the respective LinkedIn account of the data subject. If the data subject clicks on one of the LinkedIn buttons integrated on our website, then LinkedIn assigns this information to the personal LinkedIn user account of the data subject and stores the personal data.
LinkedIn receives information via the LinkedIn component that the data subject has visited our website, provided that the data subject is logged in at LinkedIn at the time of the call-up to our website. This occurs regardless of whether the person clicks on the LinkedIn button or not. If such a transmission of information to LinkedIn is not desirable for the data subject, then he or she may prevent this by logging off from their LinkedIn account before a call-up to our website is made.
On this website, the controller has integrated components of Twitter. Twitter is a multilingual, publicly-accessible microblogging service on which users may publish and spread so-called ‘tweets,’ e.g. short messages, which are limited to 280 characters. These short messages are available for everyone, including those who are not logged on to Twitter. The tweets are also displayed to so-called followers of the respective user. Followers are other Twitter users who follow a user’s tweets. Furthermore, Twitter allows you to address a wide audience via hashtags, links or retweets.
The operating company of Twitter is Twitter, Inc., 1355 Market Street, Suite 900, San Francisco, CA 94103, UNITED STATES.
With each call-up to one of the individual pages of this Internet site, which is operated by the controller and on which a Twitter component (Twitter button) was integrated, the Internet browser on the information technology system of the data subject is automatically prompted to download a display of the corresponding Twitter component of Twitter. Further information about the Twitter buttons is available under https://about.twitter.com/de/resources/buttons. During the course of this technical procedure, Twitter gains knowledge of what specific sub-page of our website was visited by the data subject. The purpose of the integration of the Twitter component is a retransmission of the contents of this website to allow our users to introduce this web page to the digital world and increase our visitor numbers.
If the data subject is logged in at the same time on Twitter, Twitter detects with every call-up to our website by the data subject and for the entire duration of their stay on our Internet site which specific sub-page of our Internet page was visited by the data subject. This information is collected through the Twitter component and associated with the respective Twitter account of the data subject. If the data subject clicks on one of the Twitter buttons integrated on our website, then Twitter assigns this information to the personal Twitter user account of the data subject and stores the personal data.
Twitter receives information via the Twitter component that the data subject has visited our website, provided that the data subject is logged in on Twitter at the time of the call-up to our website. This occurs regardless of whether the person clicks on the Twitter component or not. If such a transmission of information to Twitter is not desirable for the data subject, then he or she may prevent this by logging off from their Twitter account before a call-up to our website is made.
The applicable data protection provisions of Twitter may be accessed under https://twitter.com/privacy?lang=en.
On this website, the controller has integrated components of YouTube. YouTube is an Internet video portal that enables video publishers to set video clips and other users free of charge, which also provides free viewing, review and commenting on them. YouTube allows you to publish all kinds of videos, so you can access both full movies and TV broadcasts, as well as music videos, trailers, and videos made by users via the Internet portal.
The operating company of YouTube is YouTube, LLC, 901 Cherry Ave., San Bruno, CA 94066, UNITED STATES. The YouTube, LLC is a subsidiary of Google Inc., 1600 Amphitheatre Pkwy, Mountain View, CA 94043-1351, UNITED STATES.
With each call-up to one of the individual pages of this Internet site, which is operated by the controller and on which a YouTube component (YouTube video) was integrated, the Internet browser on the information technology system of the data subject is automatically prompted to download a display of the corresponding YouTube component. Further information about YouTube may be obtained under https://www.youtube.com/yt/about/en/. During the course of this technical procedure, YouTube and Google gain knowledge of what specific sub-page of our website was visited by the data subject.
If the data subject is logged in on YouTube, YouTube recognizes with each call-up to a sub-page that contains a YouTube video, which specific sub-page of our Internet site was visited by the data subject. This information is collected by YouTube and Google and assigned to the respective YouTube account of the data subject.
YouTube and Google will receive information through the YouTube component that the data subject has visited our website, if the data subject at the time of the call to our website is logged in on YouTube; this occurs regardless of whether the person clicks on a YouTube video or not. If such a transmission of this information to YouTube and Google is not desirable for the data subject, the delivery may be prevented if the data subject logs off from their own YouTube account before a call-up to our website is made.
YouTube’s data protection provisions, available at https://www.google.com/intl/en/policies/privacy/, provide information about the collection, processing and use of personal data by YouTube and Google.
On this website, the controller has integrated components of PayPal. PayPal is an online payment service provider. Payments are processed via so-called PayPal accounts, which represent virtual private or business accounts. PayPal is also able to process virtual payments through credit cards when a user does not have a PayPal account. A PayPal account is managed via an e-mail address, which is why there are no classic account numbers. PayPal makes it possible to trigger online payments to third parties or to receive payments. PayPal also accepts trustee functions and offers buyer protection services.
The European operating company of PayPal is PayPal (Europe) S.à.r.l. & Cie. S.C.A., 22-24 Boulevard Royal, 2449 Luxembourg, Luxembourg.
If the data subject chooses “PayPal” as the payment option in the online shop during the ordering process, we automatically transmit the data of the data subject to PayPal. By selecting this payment option, the data subject agrees to the transfer of personal data required for payment processing.
The personal data transmitted to PayPal is usually first name, last name, address, email address, IP address, telephone number, mobile phone number, or other data necessary for payment processing. The processing of the purchase contract also requires such personal data, which are in connection with the respective order.
The transmission of the data is aimed at payment processing and fraud prevention. The controller will transfer personal data to PayPal, in particular, if a legitimate interest in the transmission is given. The personal data exchanged between PayPal and the controller for the processing of the data will be transmitted by PayPal to economic credit agencies. This transmission is intended for identity and creditworthiness checks.
PayPal will, if necessary, pass on personal data to affiliates and service providers or subcontractors to the extent that this is necessary to fulfill contractual obligations or for data to be processed in the order.
The data subject has the possibility to revoke consent for the handling of personal data at any time from PayPal. A revocation shall not have any effect on personal data which must be processed, used or transmitted in accordance with (contractual) payment processing.
The applicable data protection provisions of PayPal may be retrieved under https://www.paypal.com/us/webapps/mpp/ua/privacy-full.
Art. 6(1) lit. a GDPR serves as the legal basis for processing operations for which we obtain consent for a specific processing purpose. If the processing of personal data is necessary for the performance of a contract to which the data subject is party, as is the case, for example, when processing operations are necessary for the supply of goods or to provide any other service, the processing is based on Article 6(1) lit. b GDPR. The same applies to such processing operations which are necessary for carrying out pre-contractual measures, for example in the case of inquiries concerning our products or services. Is our company subject to a legal obligation by which processing of personal data is required, such as for the fulfillment of tax obligations, the processing is based on Art. 6(1) lit. c GDPR. In rare cases, th
A device that disconnect one front axle shaft from the differential via a splined, sliding collar. This system only works with open differentials and it still allows the differential side and spider gears in the differential to rotate.
This is commonly used term for a limited slip.
The deformation of a part caused by stress.
A metal property that describes the amount of energy the material can absorb before failing in some way.
The "GL-5" designation identifies how much Sulphur-based friction modifier is present in the oil. This chemical modifier helps the oil function under extreme pressure… like in an LSD. Note: Because of its Sulfur content GL-5 oil is meant to be used on hypoid gears in differentials only; it is too corrosive to be used in transmissions, which require a milder GL-4 formulation.
All returns caused by customer error and some returns caused by customer refusal of our shipment will be charged a Restocking Fee per the schedule defined herein.
Customer Error is defined as a return for any reason that does not involve an error by RANDYS Worldwide Automotive, Inc. or our supplier(s).
Customer Refusal returns that are subject to a Restocking Fee are those where the customer refuses delivery of our shipment due to an error on the part of the customer (e.g., no longer needs part, ordered incorrect part number, etc.). Customer Refusal returns due to other reasons (e.g., part received different than part ordered, part damaged during shipment, etc.) are not subject to a Restocking Fee.
Returns caused by an error by RRP or our suppliers are not subject to a Restocking Fee.
From Customer Receipt of Product
To RRP Receipt of Returned Product
As a Percent of Invoice Price
Excluding Freight & Tax
|1 – 30||15%|
|31 – 90||20%|
|91 – 120||25%|
|121+||Per Director of Sales Instructions|
No returns allowed after 120 days.
Any returns outside of the 120 days MUST have the approval of the Director of Sales. If it is decided to grant an RGA, the return could be subject to a 50% restock fee.
AKA Final Drive Ratio. The maximum multiplied lowest gear ratio, to include first gear, transfer case low range, and axle ratio. If there is another gearing device that ratio is also added.
The lowest temperature at which a specific gear oil will pour.
The forces acting on a part that will cause strain. The ability of a material to resist stress is expressed as “yield” or “tensile strength”.
First, this product is for clutch-type differentials only, not gear-driven limited slips like our Spartan Helical LSD. Friction modifiers are all about chatter. They guard against abnormal clutch engagement and/or disengagement (source of the chatter), ensuring the proper friction characteristics between clutch discs are maintained.
RANDYS Worldwide Automotive, Inc. accepts all major credit cards, PayPal, Amazon Pay, and wire transfers.
We protect you by only shipping to the address on your credit card statements.
Any government taxes or duties must be paid when the parts are delivered and may not be included in the quote or invoice.
Ring & Pinion Service Inc. reserves the right to edit, update and/or modify this policy at its own discretion without notice.
This is a hardened shaft which installs into the case and keeps the spiders securely in place. In semi-float applications, it also prevents the axles from sliding inward into the carrier case.
Yes. Yukon Friction Modifier Additive is our own proprietary formula designed specifically for the composite clutches in Yukon LSDs. If you run a Dura Grip, do not use parts store grade modifiers because they are formulated for OEM paper-style clutches. They are watered-down formulas, containing one-fifth the abrasive chemicals.
Most products sold by RANDYS Worldwide Automotive, Inc. are warrantied by their original manufacturer. Warranties vary between manufacturers. For warranty information on a specific product, please contact the manufacturer directly.
For specific information regarding Yukon Gear and USA Standard Gear warranties please visit the pages below.
Yukon Gear Warranty
USA Standard Warranty
For products assembled by us, RWA warrants the original retail purchaser that these products will be free from defects in material and workmanship for one (1) year for parts and ninety (90) days for labor following the date of sale. RWA makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the RWA product has been installed and maintained in accordance with RWA instructions, and that it has not been subject to modification, accident, abnormal use (including off-road or competition use, or the use of tires greater than the maximum size approved by RWA), or misuse.
Upon notification of a warranty claim, RWA shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product or replace it.
This warranty does not cover, and RWA shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the RWA product). In addition, this warranty does not cover, and RWA shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling RWA products, except where such agreements are within the provisions of this warranty statement. Also, this warranty does not cover damage to the product caused by or facilitated by failure of a non-RWA component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
This is a commonly used term for the ring gear.
SHIPPING CUT OFF TIMES
*RANDYS Worldwide Automotive has a long-standing relationship with UPS and can handle any international freight order (US address only for online purchases). Quoted online shipping costs are based on published UPS shipping rates and available inventory at closest warehouse.
RANDYS Worldwide reserves the right to update, modify, change, or alter our shipping policy at our sole discretion with or without notice.
This is a collapsible spacer which installs on the pinion and preloads the pinion bearings. Crush sleeves are not reusable and must be replaced if the pinion nut is loosened or removed.
Yes. There is an order to the madness. There is a prerequisite method involved where have one parameter dialed in leads to the next step.
1. Pinion Depth
2. Pinion-Bearing Preload
4. Carrier-Bearing Preload
You may return most new, uninstalled items sold and shipped by RANDYS Worldwide Automotive, Inc. within 30 days of receiving Return Goods Authorization (RGA). Prior to returning any items, please fill out and submit our RGA Form to be issued a Call Tag or Returned Goods Authorization (RGA). Items returned without a prior Call Tag or Returned Goods Authorization may be refused by RRP. Some items sold by RRP are not eligible for return.
To obtain return authorization for items purchased from RANDYS Worldwide Automotive, please fill out and submit our RGA Form online or print and fax it to our Customer Service fax line at 425-355-4164. If you cannot remember who assisted you, call Customer Support for assistance at 1-800-347-1188 extension 5529.
To obtain return authorization for items purchased using our website, please call our Web Orders Sales Representative at 1-800-347-1188 extension 5529.
Many new, uninstalled items returned to us will be subject to a Restocking Fee, depending upon the reason for the return. Restocking fees are imposed for returns which are not caused by RRP or shipper (e.g., you changed your mind or you ordered the wrong part). Restocking fees are not imposed for returns caused by RRP or our shipper (e.g., we shipped you a different part than what you ordered or your order was damaged during shipping). Restocking fees can be 15% or more, depending on the elapsed time between shipment and return. Items returned after 120 days from purchase date will not be accepted.
Return of products for warranty must be pre-approved by our Customer Service department. Approval for return is evident by issuance of a Call Tag or Returned Goods Authorization.
For all returns (excluding warranties), items shall be returned in their original packaging.
You may not cancel any order after the order has shipped. In addition, special orders for items not normally stocked by RRP cannot be canceled once submitted. To cancel an order for a stocked item that has not yet shipped, please contact our Customer Service department at 1-800-347-1188 extension 5774 to determine if order cancellation can be processed. Cancelled orders may be subject to a processing fee.
Any applicable refunds for cancelled or returned items will be processed as quickly as possible. However, actual refund timing and amounts will vary depending upon the specific situation. For returned items, the refund will depend upon the condition of the returned product when it is received by RRP; in some cases, a restocking fee and/or processing fee will be applied against any refund as well. Refunds for Warranty returns will be dependent upon the approval by the product manufacturer of all warranty claims, as well as the payment arrangement to RANDYS Worldwide Automotive for such approved claims.
This is the opposite of heat treating and it’s done to a part that is generally finished, such as a complete axle shaft. The part is cooled by normal refrigeration to about 100 degrees below zero, Fahrenheit, then further cooled by nitrogen gas to about 300 degrees below zero. The timing and length of the treatment is precisely controlled according to the material and the end result desired and, after cooling, the part is heated to over 300 degrees then allowed to cool naturally in the air. The advantages are that it relieves internal stress in parts and tightens the grain structure. The treated part is much more fatigue resistant, though only very slightly stronger. Dimensional changes are usually miniscule or non-existent.
Start by making wide, sweeping changes and whittle the adjustment down by making smaller and smaller changes. In this context consider 0.005” to 0.015” as a ‘large’ adjustment and 0.002” to 0.004” as a ‘small’ change.
For more indepth information check out our 12 Tips For Differential Assembly And Setup blog article.
On a crush sleeve design differential it usually takes between 300 and 400 ft-lbs of torque to crush the crush sleeve. Over the years we have used huge breaker bars and/or very strong air operated impact wrenches to crush the crush sleeve.
For more indepth information check out our 12 Tips For Differential Assembly And Setup blog article.
Lockers produce 100% lock-up where all the power is directed to both tires all the time when the unit is engaged. Lockers are tougher. Limited slips direct torque to both tires and when slippage occurs the unit directs torque to the tire with the best traction. LSDs do not generate 100% lock-up. Limited-slip diffs do not require activation from the driver. Their engagement is mechanical, a reaction to driving conditions, namely load and wheel slippage.
Learn more about the features and benefits of different Yukon and USA Standard Gear traction devices by checking out our “Which Traction Device is Right for You?” video.
Size, as it relates to strength and ease of installation. The smaller Spartan Locker, also known as a lunchbox locker or an insert-type unit, is easier to install because it replaces the spider gears. Since the Spartan Locker is installed in the carrier it relies on said carrier for strength. The Grizzly Locker, sometimes called a mechanical locker or automatic locker, is bigger and significantly stronger. It replaces the entire carrier assembly and has more clamping force, forged internals, and a forged 8620 low-nickel alloy steel case that is much more robust than the OE carrier it replaces.
Gain more insight into lockers by checking out our “Installing a Spartan Locker,” “Unboxing a Spartan Locker,” and “Yukon Grizzly Locker” videos.
An advantage of an air locker like our Yukon Zip Locker is immediate engagement. A con is the need to purchase and plumb an air system in order to engage the locker. Other types of lockers take a moment to engage, half a tire rotation or so, which doesn’t sound like much until your rig is teetering between upright and rollover.
To better understand air lockers, check out our “How to install a Yukon Zip Locker” video.
The pattern refers to how the ring gear and pinion gears mesh. There is a process used when reassembling a differential that optimizes ring gear and pinion tooth contact. The procedure involves changing the pinion position via shims in the carrier and repositioning the carrier. Dialing in the tolerance between the gears will ensure a smooth-running, long-lasting differential.
For more info on reading gear tooth patterns, check out this video from our Resource Center.
It’s all about math… and counting teeth. Simply count the teeth on the ring gear and divide that number by the number of teeth on the pinion gear. Be aware that you may have to round off the number. (45 divided by 12 = 3.75… rounded to 3.73). The ratio itself refers to how many times the pinion gear rotates to turn the ring gear one full rotation.
Gearheads have their own vernacular so knowing the lingo will help you communicate with your mechanic. We’re talking about gear ratio. Tall gears produce a lower numeric ratio i.e. 3.08, 3.73 (or lower), while short gears or deep gears refer to higher numeric ratios i.e. 4.88, 5.29 (or higher).
Numerically higher gear ratios produce more torque, are quicker off the line, and deliver a lower top speed. Conversely, lower numeric gear ratios produce less torque, are slower at launch, and deliver a higher top speed. For more on how to pick the right ratio, check out this video.
Variables to consider include tire size (especially if it’s changing), transmission ratio, rpm at cruising speed, the stock gear ratio, and the intended usage of the vehicle. The tradeoff here is off-the-line acceleration versus freeway-speed performance.
Re-gearing serves two purposes. It can re-gain lost drivability in daily driven vehicles that have bigger tires installed or custom tailor performance for a dedicated off-roader that doesn’t put as much emphasis on daily driving.
If you’re adding big tires, technically you’re already re-gearing your ride because the increase in tire circumference changes the final drive ratio. Think about it this way… if you’re running a 3.73 gear, the pinion gear rotates 3.73 times to turn the ring gear one full rotation. On the road a bigger tire will take more rotations to get up to speed (slower) but require a lower engine rpm to maintain a highway speed. In some cases, bigger tires can create profoundly adverse driving characteristics and a reduction in fuel efficiency.
To figure out what your rig is doing and how to pick the right ratio you need to know your gear ratio and tire height in stock trim. These factors can be used to determine your engine rpm at a given vehicle speed. Our homepage has easy-to-use calculators that compute gear ratio and tire height. Then you take those numbers and feed them into our RPM calculator.
Use your stock set-up as a baseline to see what your stock vehicle speed to engine speed relationship is. If your rig is a daily driver you’ll want to gauge performance at freeway speeds. If you’re dialing in a dedicated off-roader, freeway speed performance will be less critical so you may want to evaluate slower vehicle speeds. Once your baseline is established, enter your new tire diameter and adjust the gear ratio to best match the stock numbers for daily drivers or the desired performance of a dedicated off-roader.
The term “thick gears” refers to a ring gear that is thicker than stock to maintain proper meshing in a carrier that is being upgraded with a numerically higher gear ratio. When increasing gear ratio, a smaller diameter pinion gear is employed and the thicker ring gear makes up the difference by moving the gear teeth ‘higher’ so the two gears mesh properly.
Get more info on Yukon ring and pinion gears by watching our “Unboxing Yukon Ring and Pinions” video.
We do all the thinking. Each kit contains all the parts needed to complete the job from start to finish so you know you’re getting all the right stuff the first time. The kits include a ring and pinion and all the bearings, seals, and small parts in one simple part number. Some kits are configured to address one axle, some cover both, and some include a Dura Grip limited-slip differential. A Yukon Pro Kit features a premium Yukon Gear & Axle gear set and uprated hardware to meet the demands of wheeling, off-road racing, track racing, street driving, and performance diesel. USA Quick Kits are affordable, general repair options when stock performance and reliability are the prime concerns.
Pinion bearing preload is related to the amount of force the pinion nut exerts on the pinion and its bearings. Axle builders generally measure the pinion’s preload by rotating the pinion gear by its nut with a pound/inch-graduated torque wrench. Crush sleeves or shims are generally used to set pinion preload. The proper torque ratings for new bearings can be found in the front of the installation manual on the Set Up Specifications page or by way of the chart below. Note: Measurements are for the use of new (not used) bearings.
It’s the point where the numeric increase in gear ratio necessitates a new/different carrier be used. The act of increasing the numerical ratio of a gear set results in the diameter of the pinion gear becoming smaller. To maintain proper contact, the thickness of the ring gear can be increased. The point at which thickening is no longer viable is known as the Carrier Break, which necessitates the move to a larger carrier with a taller deck height.
To see the Carrier Break points of popular differentials, check out this article from our Resource Center.
It is the measurement from the base of the housing to the gear teeth. This mounting surface within the housing changes to accommodate the smaller pinion gears that are used when swapping to numerically higher gear ratios. A taller deck height maintains proper contact between the ring and pinion gear teeth by moving the ring gear farther ‘up’ in the housing.
All new gear sets require a break-in period to prevent damage from overheating. After driving the first 15 or 20 miles it is best to let the differential cool before proceeding. We recommend at least 500 miles before towing. We also recommend towing for very short distances (less than 15 miles) and letting the differential cool before continuing during the first 45 towing miles. This may seem unnecessary but we have seen many differentials damaged from being loaded before the gear set was broken in.
Changing the gear oil after the first 500 miles is also recommend. This will remove any metal particles or phosphorus coating that has come from the new gear set.
Get more info in these blog articles Proper Break In Process – Keeping Gears Cool During Break-In – 12 Tech Tips For Proper Differential Assembly & Setup
Spider gears are also known as satellite gears, they rotate around the side gears in the differential carrier. Side gears may also be referred to as axle gears or planetary gears. The spider gears are the ones with the cross-pin shaft going through them. This array of spider and side gears take the rotational energy from the driveshaft and help redirect it outwards to the axles and on to the wheels. They also play a key role in allowing the wheels to rotate at different speeds when the vehicle is turning.
For a more in-depth look, view this installation video from our Resource Center.
Whirring noise only while decelerating at any or all speeds is most likely caused by bad pinion bearings or loose pinion bearing preload, and almost never by bad ring and pinion gears.
A howl or whine during acceleration over a small or large speed range is usually caused by worn ring and pinion gears or improper gear set up.
Rumbling or whirring at speeds over about 20 mph can be caused by worn carrier bearings. The noise may change while turning.
Regular clunking every few feet may indicate broken ring or pinion gears.
Banging or clunking only on corners can be caused by broken spider gears, lack of sufficient positraction lubrication, or worn positraction clutches.
Rumble while turning may indicate bad wheel bearings.
A steady vibration that increases with the vehicle’s speed can be caused by worn u-joints or an out of balance driveshaft.
Clunking only when starting to move or getting on and off the gas might be loose yokes, bad u-joints or worn transfer case or transmission parts.
Performance driveshafts, like those from Yukon Gear & Axle are engineered for extreme conditions. They use premium materials at every juncture, double cardan joints, high-strength steel, and superior manufacturing techniques to handle the increased articulation to accommodate lifts, reduce vibration, and improve durability on the trail, the track, or the open road.
See what makes Yukon driveshafts special by watching our “Yukon Performance Driveshafts | Engineered for Ultimate Performance” video.
Yukon Performance Driveshafts | Engineered for Ultimate Performance
Replacement driveshafts are direct-fit units built to or beyond OE specifications. Quality replacement driveshafts also address OE issues like under-sized u-joints that are often the cause of wear and/or imbalance. Upgraded aftermarket replacements, like those from USA Standard Gear, have gone through in-depth testing and have eliminated any vulnerable parts to produce a driveshaft that will last as long as you own your vehicle.
Learn more about USA Standard Gear replacement driveshafts by checking out our “Installing a USA Standard Gear Driveshaft” video.
Depends on the axle type. Semi-float and C-clip-equipped axle shafts are measured from the end of the shaft to the outer edge of the mounting flange. Axles with yokes (front axle shafts) are measured from the center of the u-joint bore to the end of the splines. Full-float designs are measured from the spline ends to the front surface of the mounting flange.
Click here for a detailed schematic of how to properly measure axles.
These kits are for shops and builders who have shims on-hand and are looking to save money over a Master Overhaul Kit. They include carrier bearings and races, pinion bearings and races, a pinion seal, marking compound, and a brush.
A semi-float axle rides on an outer bearing, thus supporting the weight of the vehicle. In semi-float applications the wheel is bolted directly to the axle. A full-float axle is a housing type in which the axle does not carry the load of the vehicle and does not have the wheel bolt directly to it. Full-float axles bolt to a spindle, which ultimately drives the wheels. They can also be removed with the wheel still on the vehicle.
Get some great insider information from our “How to Identify Your Differential & Axle Type | Differential Tech Tips” video.
How to Identify Your Differential & Axle Type | Differential Tech Tips
Yukon Gear & Axle Spin Free Kits replace the failure prone and expensive factory unit bearings with tapered bearings and races. The result is not only a design which is easier and more economical to service, but one that offers significant increases in fuel efficiency because there are fewer rotating parts in the drivetrain for the engine to turn. Less work equals better fuel economy.
Check out our “Yukon Spin Free Kit Installation Walkthrough” video to learn more about these highly effective kits.
A cold roll formed axle shaft is subjected to a great deal of pressure via cam-like tooling dies in the mill machine that imprint the shaft with splines. The intense pressure re-arranges the grain structure of the metal which ensures consistent hardness throughout the spline teeth and shaft unlike a cut-spline technique where material is removed from the shaft to create the splines. Yukon seals the deal with its induction hardening process where the axle is heated with an induction coil to around 1,600-degrees Fahrenheit then quenched, ensuring the proper heat penetration is achieved. Again, grain alignment within the metal and enhanced strength is the big benefit. Ultimately, the attention to detail that Yukon brings to the table results in an axle that is primed to absorb tons of trail abuse and provide years of dependable service.
The goal is to alter the properties of the metal on a molecular level, producing a tighter grain structure that changes the hardness, strength, toughness, ductility, and elasticity of the material in a beneficial way.
Induction hardening is the method Yukon uses on its entire line of performance axles. The process starts with an axle shaft that has likely been fully machined with splines etc. The shaft is heated with an induction coil to a predetermined temperature usually between 1,550- and 1,600-degrees Fahrenheit then quenched. Quenching is basically dousing the part with water or dropping it in an oil bath to quickly cool it. Yukon’s quality assurance staff will test axles from random production batches to ensure they receive proper heat treating and measure up dimensionally to engineering blueprints.
Universal Joints: Using a grease gun, pump grease into the universal joint until fresh grease can be seen coming out of all four seals. If all four seals do not purge fresh grease, move the driveline to free up the bearings caps and try again until successful.
Slip Yoke & Stub Shaft Assemblies: Coat both the slip yoke and stub shaft thoroughly prior to assembly, and then fully collapse the driveline. Apply grease via the grease fitting until grease begins to come out of the welch plug vent hole. After grease appears in the vent hole, cover it and continue to grease until it begins to show grease in the seal. During re-lubrication it may not be possible to fully collapse the driveshaft. Use the same greasing guidelines as used during initial assembly but be careful not to overfill the driveshaft. Overfilling the driveshaft with grease may cause the welch plug to pop out during use.
Centering Kits: Using a needle nose grease gun, pump grease into the flush mount zerk fitting on the centering kits until fresh grease appears at the ball seal or purge hole. Failure to maintain grease in centering kits can cause failure very rapidly. Worn centering kits will squeak, indicating that greasing is necessary immediately.
How often a driveshaft should be lubricated is determined by how the vehicle is used. We recommend the following lubrication guidelines:
Vehicle Usage Lubrication Schedule Approximate Mileage
City Bi-monthly 6,500
Highway Monthly 12,000
Off Highway Every 3 months 6,500
Off Road Monthly 2,500
The ID tag location varies by manufacturer.
New Venture – Round tag on the back of the unit.
Borg Warner – Tin tag located on the case half bolts.
Magna – Sticker that can be found in a few different locations on unit.
Transfer cases use a combination of Drive, Housing, and Shift Types.
Gear driven transfer cases use a set of gears to send power to the front and rear axle. While gear driven transfer cases are more durable, they are also louder and less practical for smaller vehicles because of their weight.
Chain driven transfer cases use a chain in place of a gear set. Though most chain driven cases only drive one axle, there are case systems designed to drive both axles with a chain. Chains are lighter and quieter, but weaker than gear sets.
Married transfer case housings are bolted to the transmission, often between the output shaft and the main driveshaft. Some married transfer cases share their housing with the transmission.
Independent housings are installed separately from the transmission casing and are connected to the transmission output shaft with another driveshaft.
Manual Shift On-the-Fly (MSOF) transfer cases are controlled with a lever on the driver’s side floor of most vehicles. These transfer cases have two automatic sealed front axle hubs or two manual front axle hub selectors. High 4WD settings can be engaged at low speeds, but low 4WD settings must be engaged when the vehicle is stationary and the transmission is in neutral.
Electronic Shift On-the-Fly (ESOF) transfer cases have a dash-mounted selector, usually a switch or set of buttons. These cases have sealed automatic locking front axle hubs and a transfer case motor. High and low 4WD is engaged in the same ways as a MSOF transfer case.
First, let’s consider a rebuilt transmission. In most cases, a vehicle experiencing transmission problems is brought to an automotive repair shop. There, the transmission is removed and worked on by a mechanic who completely disassembles the transmission all the way down to its component nuts and bolts.
The mechanic inspects and cleans each and every transmission component and determines which parts are in working order, excessively worn, or just plain damaged beyond repair. Parts deemed worn or damaged are replaced with new or “used” components, and the unit is then reassembled. Once completed, the transmission is reinstalled and the vehicle is ready to hit the road. In this scenario, the transmission has been “rebuilt” – repairs have been made, bad parts have been replaced, but the unit has received few, if any, upgraded components.
A remanufactured transmission is basically the same as a rebuilt transmission, but the work has been performed by a dedicated transmission repair facility or shipped to the original transmission manufacturing facility. By opting for a transmission remanufacture, the customer is assured the transmission is being repaired by absolute experts on that particular transmission and has been remanufactured to incorporate all design and component upgrades that weren’t available when it was originally manufactured. This example also applies to transfer cases and differentials.
High stress driving will repeatedly increase the temperature of your transmission, eventually breaking down the stability of the gear oil in your car. If you regularly tow, drive in low traction conditions, or drive in mountainous regions, you will likely need to change your gear oil every 30,000 miles, or potentially even less.
In normal driving conditions, most cars can travel up to 80,000 miles before needing a gear oil change. However, this number is a maximum, and most manufacturers recommend changing your gear oil between 50,000 and 60,000 miles.
Other conditions that require a gear oil change can develop under unusual circumstances. For example, if your transfer case, differential component, or transmission has experienced submersion in water or another foreign fluid, your gear oil should be replaced. Contaminated oil can seriously damage your gearbox, transfer case, or differentials with inadequate lubrication.
You should also replace your gear oil if your transfer case or differentials recently had a leak repaired. A leak could signal contamination or low levels of gear oil. Most mechanics will replace your gear oil after repairing a leaky component, but this is sometimes forgotten during home repairs.
Lastly, if you or your mechanic finds dirty gear oil during a checkup, it should always be replaced. Old or dirty oil leads to destabilized viscosity and poor lubrication, which will prematurely damage your gearbox, transfer case, and/or differentials.
We predominantly use five metal types; 4320, 4340, 8620, 9310, and 1541H.
4300-series is a nickel-chromium-molybdenum alloy, i.e. chromoly, that’s low in carbon content. 4320 is used for the internals in our line of Yukon Dura Grip LSDs. We use 4340 in the manufacturing of forged gears, pinion gears, high-performance axles, Super Joints, and more. 8620 is a low-nickel alloy steel generally used in the manufacture of forged camshafts, crankshafts, and fasteners. We use it in gears and cases. 9310 is an alloy steel with more nickel and chromium than 8620. 9310 can better endure high shock loads without failing and we use it in Spartan Lockers. 1541H is a high-grade carbon steel used in our replacement axles and u-joints, and similar products. A caveat here, heat-treating plays a definitive role in a given alloy’s hardness and other properties that impact their performance in automotive drivetrain applications. We use advanced heat-treating techniques to fine tune our alloys to their intended usage.
Tensile Strength refers to the amount a material can be pulled/stretched before it fails (breaks). Torsional Strength: The amount a material can be twisted before it fails (ruptures). Both can be pertinent in the evaluation of materials used in drivetrain parts.
DOM, which stands for Drawn Over Mandrel, is a tube milling technique where coils of steel are formed into strips of a predetermined width. The strip is electric resistance welded and cold drawn into tubing, often called a hollow. The DOM process consists of pulling the tube/hollow through a die, inserting a carbide mandrel inside the tube, running it through the die again. The mandrel draw is repeated until the tube attains its final/desired specs. The pressure of the cold-drawing produces tubing with superior tensile strength, uniform wall thickness, highly precise inner and outer diameter tolerances, and the highest possible weld strength. This production technique is popular in the manufacture of axle tubes, driveshafts, roll cages, shock absorber bodies, and other automotive and inustrial applications.
Nodular cast iron, like we use in the manufacture of Yukon Hardcore Diff Covers, features graphite particles that present as spherical nodules. These nodules give this type of cast iron more strength and flexibility because they interrupt the matrix less than regular gray cast iron, whose graphite particles take the shape of flakes within the grain of the metal’s microstructure. Learn more about Yukon Hardcore Diff Covers here.
Stretching. A tow strap is designed not to stretch, which makes towing a vehicle at a constant speed easier. A recovery strap is designed to stretch so the rescue vehicle can get a little momentum before the strap goes taut and pulls the stuck vehicle free.
Yukon offers warranties against manufacturing defects for terms from one to 10 years, with some products carrying limited lifetime coverage. Further, the warranty on selected Yukon parts can be upgraded to a no-questions-asked lifetime warranty with our Yukon Extended Service (YES) plan. For a full rundown of Yukon warranty information click here.
USA Standard Gear offers a generous warranty program. Get more details and check out our Warranty By Product chart by clicking here.