Truetrac diff oil

 

Truetrac diff oil. 12 EATON PERFORMANCE PRODUCTS Differential Application Guide. SAVE $62. I have the desire to take the car up over 250k miles (done it before) and want a diff that will last. Detroit Truetrac. Aug 29, 2014 · The 5th Gen Truetrac is designed to accept stock or aftermarket 31-spline half-shafts and requires only traditional 80W90 gear oil, with no friction modifiers added to the mix. Investigating the various GL-5 lubes reveals a large discrepancy from one brand to the next. 10. Photo is representative. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle. In searches some people have stated that Eaton reccommends conventional oil and not synthetic. Application. Eaton Truetrac limited-slip differential: how it works + applications. Straight 80W-90 gear oil for me! Oh, the TrueTrac doesn't act anything like a clutch-type LSD. But there can be a delay, a moment where the one wheel in the air spins. anyway, i live Need help to be sure you are ordering the correct locker for your application just call the differential expert at 800-216-1632, free technical support from knowledge experienced staff. Location Type. Synthetic oils are not recommended for Truetrac applications. Front and rear axle applications. No frills, simple automatic locking differential. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS Jul 7, 2016 · Excursion - King of SUVs - TrueTrac Diff Oil Question - Hey Folks, Getting my factory LSD replaced with a TrueTrac. We do not recommend synthetic oil. 73 And Up; 913A477 - Detroit Truetrac® Differential; Ford 9. 1969 - 2001 Dana 44 8. It remains the leading helical gear-type limited slip differential in the industry. It is based on technology derived from the Eaton Detroit Truetrac® limited-slip differential (LSD) which is a pioneer in helical gear based traction technology, and remains the leading helical gear-type limited slip diff in the Find your traction solution - Eaton Detroit Truetrac limited slip differential. Can I use the stock bearings? Detroit Truetrac is designed to handle more torque (power) than the axle shafts it drives. 7L V6/5. Catalog Number. Mar 14, 2006 · I am going to install a Detriot/Eaton Truetrac differential into the Ford Factory 8. I am almost at 500 miles break in period to change out my diff fluid. 73 And Down; Add a free sample to the cart Contact Eaton. 31 gear. 875 in. Feb 7, 2018 · The JK's Brake Lock Differential helps out and makes it work almost like a locker by applying the brakes if you get a wheel up in the air. It made so much noise, after 75 miles I had another shop tear it down, install new bearings and a Ford GT500 3. Now as per the Jeep manual it states "Front We recommend you use MOPAR® Gear & Axle Lubricant (SAE 80W-90) (API GL-5). Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction. Warranty There is a limited warranty on this product New, built-to-order Currie 9-inch nodular iron third member set up for 31-spline axles. #1 · Dec 19, 2008. The application of the car is a street car / drag car. But the front diff was a disaster. download video. I just keeps going where you want it with no ass-out, slow you down shenanigans. Indianapolis, In. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS Sep 20, 2018 · The gear tooth pattern must be dead center on the ring gear with 0. Eaton experts review our Limited Slip differential portfolio and capabilities. Feb 18, 2018. Detroit TrueTrac is a trusted brand specializing in high-performance limited-slip differentials for off-road and racing applications. does events like street machine drag challange. In fact, Eaton also stresses that unlike the stock limited-slip differential, the Truetrac needs resistance to work properly, so conventional oil is specified over Price: $698. manual with a South Bend Clutch solid flywheel and Con-O clutch kit, clutch petal mod. This is the original fluid with 126k miles on it. Unmatched strength and durability. 062 BoreCurrie Nodular Iron Big Bearing (Daytona) Pinion SupportChoice of Gear Ratio, Carrier, and Pinion YokeSetup and Assembled by Skilled Professionals*** SELECT OPTIONS TO BUILD Jun 20, 2022 · With the latest and improved helical-gear design, it can operate as an open differential while driving in the local differential. SAVE $47. 75" rear ends only. 73 down carrier. 800 in. If they say use what the manufacturer says, then I would try to find a close match in dino oil. with the Detroit dif you need to use what they recommend. 917A731. 5 times more torque to the high traction wheel. Hi I have a ford bf ute m86 diff with a Eaton true Trac . I am a channel partner. . I found it online but you have to buy a case of it. 5 to 3. The new differential system will fit your Ford F-150 models from 2015 through 2022. Rear We recommend you use MOPAR® Gear & Axle Lubricant (SAE 80W-90) (API GL-5) or equivalent. A: Please use PN: EAT913A590 Eaton Detroit TrueTrac Dana 44 30 Spline 3. This torque transfer ratio (called the bias ratio) is accomplished by using helical May 15, 2002 · Synthetic oils provide more lubrication and are typically thinner, and throws off the torque biasing for the differential. 31" 30 3. I have an 8. The reason for this might seem strange, but synthetics gear oil and friction modifiers are actually too slippery for the pinion gears in the Truetrac. This Eaton Detroit TrueTrac GM 9. Mar 28, 2013 · On the track, Truetrac differentials offer the ability for cars to launch harder. Utilising technological advances from the Eaton Truetrac LSD (Limited Slip Differential), Harrop Eaton Truetrac is the industries first helical gear differential to enter the market. Gear spline tooth count: 30. Find affordable Eaton Truetrac LSD Lockers for Ford and Holden models all over Australia. The Detroit Truetrac® uses gears only - no clutch packs. 8 | ATF, Differential, Trans, Brakes, P/S | Bob Is The Oil Guy b. 1 day ago · Free Shipping - Eaton Detroit Truetrac Differentials with qualifying orders of $109. Apr 27, 2007 · 96 F350 reg. Eaton recommends against using synthetic oil, but Ford says to use 75w140 synthetic in the axle. This inhibits some tire wear because even Nov 18, 2021 · The Truetrac performs like an open differential under normal driving conditions and automatically transfers torque to the wheel with better traction when ground conditions warrant. amazon. These Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting Apr 23, 2015 · Pros. 9. #3 · Jul 6, 2022. Jan 24, 2013 · Fill plug on diff was removed and oil looked like mercury. A small area of shiny gold-colored flakes. " I was thinking Mineral gear oil 80w-90 but it says that it contains friction modifiers. Factory differential cover oil drain plug may need to be shortened by approximately 1/8” to maintain clearance with the differential. It is effective in both on and off-road conditions and does not require any maintenance. 6 Pinion Gears. Eaton unveiled the new differentials at SEMA earlier this month and said they’ll be available Jun 18, 2016 · OK I had my gears along with both Front & Rear TrueTracs. Near-instant engagement. It sill made crunching roaring (not whining) noise. Features a reliable Helical Gear LSD design. Putting this Eaton Detroit TrueTrac Dana 44 Limited Slip Differential on your Jeep Gladiator JT is easy and requires no drilling. May 27, 2002 · Originally posted by moribundman: Looked like tiny brass or bronze (bearing, I guess) flakes to me (golden color). Ford specs a Syn 75w-140 and Eaton recommends a dino gear oil. Differential type: Limited Slip (LSD) Axle shaft diameter: 1. Synthetic oil tends to shed heat better than petroleum based oil but unless that heat has somewhere to go other Find Eaton Detroit Truetrac Differentials Ford 8. Like. Detroit Truetrac® Differential; Ford Super 8. 92 and up. 73 gear ratios: part number 917A732 NEW Note: Beam axle only. For F150s with 34-spline 9. Mineral lubes lacking friction modifiers (limited-slip additives) were historically recommended for all Truetrac applications because friction modifiers can slightly reduce the bias ratio Eaton recommends a petroleum/mineral based GL-5 80W90 gear oil for all Truetrac differentials. 8 axle with 3. Operation. Jul 15, 2006 · Jan 3, 2008. Free Shipping - Eaton Detroit Truetrac Differentials with qualifying orders of $109. The Truetrac’s proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its Live chat. No other “special” setup is required. Jun 2, 2015 · If your installer demands a specific oil, that's their choice and not Eaton's. Locate a distributor. Jul 11, 2014 · TrueTrac is a tough, amazing positive limited slip unit. Shop Differential Carriers at Summit Racing. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. Aug 4, 2020 · High quality mineral or synthetic gear lubes are required for use in Detroit Truetrac differentials. looks like a good synthetic GL5 would work fine. The manual for the Truetrac states: A quality, petroleum-mineral based, GL5 rated 80w-90 gear oil should be used. Detroit Truetrac® Differential; Dana 44; 30 Spline; 3. I have been beating on my 12 bolt TrueTrac for 7 years running nothing but Red Line Heavy Shockproof gear lube with zero issues. Friction additive/modifier is not required. 31 gears. - funny story for those with a sick sense of humor. EATON 912A569 Trutrac Limited Slip Differential for 27 Spline Dana 35 Axle with 3. Options include a choice of differential type, gear ratio, and pinion yoke. Truetrac FB-Digital-Throttle-Video-Aug-2022 Technical support. 9 Diff Gear Set. Dec 19, 2008 · 3264 posts · Joined 2005. Installation. The fluid ford recommends is based on the carrier design they use. Add to Cart. Synthetic oils and friction modifiers should not be used, as they will decrease overall performance. 5\8. I can see 2 other people have asked this and is posted in your forum. 912A585 - Detroit Truetrac® Differential; Dana 30; 27 Spline; 3. 99. cab SRW 4x4, original owner. 8 in. Reviews. Unlike existing standalone adaptive or predictive cruise control systems, iQ-Cruise seamlessly integrates both functions into a unified system. Aug 12, 2023 · The shop (which has a very good reputation) recommends using Amsoil Severe Gear which has a friction modifier. , Truetrac differentials, front and rear, 4. Eaton Performance. Applying the brakes like that forces the Truetrac to lock up and send power to the other wheel. Oct 18, 2018 · Eaton says "A quality petroleum (mineral) based oil is recommended. Does not require friction modifier or clutch replacement. Each model of Truetrac is designed to unique torque capacity specifications; however, they are all developed to handle the extreme torque loads typical in Aug 29, 2018 · Any reason why? Originally Truetrac's specified non synthetic oil without friction modifier but the newest owners manual says synthetic is fine as long as it doesnt have friction modifier. Thi. K F150 Eaton TrueTrac Features: Greatly improves rear end traction and handling. Oct 19, 2022 · In this blog post, we’ll be comparing the Detroit Truetrac vs the Locker to help you make a decision. Sep 6, 2009 · Stock diff oil was synthetic 75W140 with a bottle of Ford friction modifier. Drop the hammer and the car will try its damndest to go wherever the front wheels are pointing. This is the information from the supplier: Detroit TruetracHigh quality mineral or synthetic gear lubes are required for use in Detroit Truetrac differentials. Suitable for Ford 9" 31 Spline Differential. Frequently Asked Questions: Detroit Truetrac. Features:Currie Sportsman Nodular Iron Case with 3. The RRP $1,212. General specifications. Find Eaton Detroit Truetrac Differentials and get Free Shipping on Orders Over $109 at Summit Racing! Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. 92 UP Rear An Eaton Truetrac for the Dana 44; and one being installed in a fifth-gen Camaro rear housing. 42 & 3. A quality, petroleum-mineral based, GL5 rated 80w-90 gear oil should be used. ” Jun 14, 2023 · A Truetrac differential, also known as a helical gear limited-slip differential, is designed to provide improved traction and smoother operation compared to traditional differentials. Locker can chuck teeth if you break an axleshaft. Improved traction relative to other rear wheel and four wheel drive vehicles. Detroit Truetrac Differential. This is what Eaton recommends: "Detroit Truetrac High quality mineral or synthetic gear lubes are required for use in Detroit Truetrac differentials. The exceptions are: 10 bolt 8. Horsepower has little influence on the differential since it is more of a function of engine RPM. 73 & dn 187SL16D 913A591 May 24, 2022 · Detroit TrueTrac 913A561 Differential Features: Ring gear ratio: All gear ratios. Thanks! What kind of oil should I use? Can I use synthetic? Do I need friction additive/modifier? A quality petroleum/mineral based oil works best in the Truetrac units. View Details. Their limited-slip differentials provide enhanced That’s because Eaton differentials and differential components have a track record of performance in some of the harshest conditions. #10. 3L EcoBoost/3. Maintenance-free, it features smooth, automatic operation in forward and reverse. 913A610. It features torque bias ratios from 2. Ring gear size: 8. 300 in. #24. No special lubrication or friction modifiers needed. Optimized torque bias ratios deliver maximum vehicle acceleration and handling. May 9, 2019 · What oil do you recommend for use with a Eaton Trutrac Differential? It is an m86 Diff from a 2010 ford falcon 4L turbo ute. 73 & up. Available Qty. The Eaton Detroit Truetrac® limited-slip differential (LSD) which is a pioneer in helical gear based traction technology remains the leading helical gear-type limited slip diff in the industry. The Truetrac seems to be transparent in normal operation with very little torque effect. Do not use synthetic gear oil or friction modifiers. SOB Detroit Truetrac® High quality mineral or synthetic gear lubes are required for use in Detroit Truetrac differentials. Trump24 Discussion starter. 60 (3%) In Stock. Each part is designed to handle extreme power, built tough for reliable performance on any terrain, and tested at Eaton's on-road/off-road Proving Grounds in Marshall, Michigan. (I can not verify this info. They responded says that that I should not use a synthetic gear oil. com. 5:1 range. 913A589. The Detroit Truetrac is a limited slip differential that uses clutch packs to provide torque to the wheel with more traction. Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. S550 Mustang; 34 Spline; 3:31 & Up; Add a free sample to the cart Contact Eaton. Model Year Mar 16, 2022 · They provide a controlled amount of resistance to a one-wheel spin-out, so that the other wheel (with traction) receives sufficient torque to keep the vehicle moving. Fits All Gear Ratios. 5", 35-Spline, Axle Shaft Dia. 76", 33-Spline. Location. It is based on technology derived from the Eaton Detroit Truetrac® limited-slip differential (LSD) which is a pioneer in helical gear based traction technology, and remains the leading helical gear-type limited slip diff in the May 31, 2016 · That diff relies on friction between the worm gears and the carrier and synthetic fluids do impair that. These Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. If you look at my old posts I went through the same issue with Eaton. $756. #2 · Aug 12, 2016. 52" The TrueTrac differential is celebrated for its noiseless functioning, due to the absence of wearing components such as friction plates and clutches. They perform like a limited-slip differential under normal driving conditions, automatically Sep 18, 2021 · 1999 to 2016 super duty - rear diff fluid came out quite muddy,,truetrac is rear end toast, or just change oil. Apr 17, 2018 · The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. Eaton Detroit Truetrac Differential, Type: Limited Slip, Ring Gear Dia. 320 in. Tymar intake, gutted EBPV, 3" downpipe, 4" exhaust, BDP stage 1 injectors, DIY IDM mod, 4 pos chip, DIY Stealth twin HPOP's, DIY electric fuel system, Banks May 17, 2004 · 39. Power is provided by a 700hp 496 with a Tremec 6 speed and with a set of sticky M/T DOT cheater slicks, it has easily handled all the abuse I've thrown at it. The price difference between them is $150 to $700. 912A569. Jul 24, 2006 · Good: Truetrac is a Torque Biasing Differential like a Torsen. 100 percent traction to both tires. 0L V8 (excludes GT350 5. Works in forward and reverse. 50-Inch Limited Slip Differential is engineered to accurately suit 1999-2024 Silverado 1500s. Contact Eaton. Detroit TrueTrac 913A315 Differential Features: Ring gear ratio: 3. Customer Service +1 (800) 328-3850. Eaton G80 Gov-Loc. Use 80W-90 petroleum based gear oil rather than synthetic. It transfers torque from the wheel with less grip to the one with more grip, ensuring better control and stability in various road conditions. Makes 750whp. 8 rearend. 1. www. Jul 19, 2011 · TrueTrac FTMFW. Quirky handing on-road. Before that, Gleason produced a perpendicular pinion, helical gear limited-slip-device. The unit for the Dana 60 has a high bias ratio, and most of the time it feels like a locker up front, trying to turn around trail curves and truck likes to plow straight. Gear spline tooth count: 31. I spoke with Brent, EXT 6762 at Eaton and he gave the following recommendations for our installs and TrueTrac maintenance: 1. ) Some people state that I should use 80W90 with out the friction modifier in it and some state that I should use the friciton modifier. Fitment: 1999 Chevrolet Silverado 1500 Mar 29, 2009 · In most cases the Truetrac units work with the factory (stock) bearings. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better Jul 30, 2017 · I would like this thread to stay focused on the installation of an Eaton Truetrac 913A477 differential. 006-0. Mar 14, 2006 · On the 1500, the rear diff, no 3/8 drive drain plug so I had to syphon the fluid out, looked ok, as did the transfer case fluid. The Eaton Detroit Truetrac is a helical-gear style performance differential that maximizes 6 days ago · 3:37. May 25, 2024 · Eaton ELocker for EVs: strong, compact designs for ultimate performance. Chrysler, Dodge, Ram and Plymouth Small and Half-Ton Truck, Wagon and Van. To further confuse the issue, historically the Ford 8. Estimated to ship direct from manufacturer on 07/26/24, pending manufacturer availability. Learn about Eaton’s experience in designing ELockers which meet the unique needs of electric vehicles. 4:04. 27 gears and a shot LSD. The similarity between them is rigid traction. Description. Was told clutches and gears were probably shot. 54. Channel partner order center. 5"/9. 56 THICK to work with 3. It is ideal for 4WD front axles. Aug 1, 2013 · Another unique consideration for the new Camaro is that it does not use synthetic gear oil like the stock differential, or any kind of friction modifier or additive for that matter. A: This LSD can work with 4. But there is 2 different answers . Axle Spline: 33 teeth Packaging Dimensions: 10”x10”x10” Weight: 42 lbs. Does anyone know why Torco RGO would not be recommended for this diff by VMP? Torco RGO Racing Gear Oil 85w140 The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. When I drained and refilled the differential oil in my 2000 Ranger this weekend, I saw a similar thing. Limited slip is a rebuildable and long-lasting locking differential. 5" 1. QUESTION: I want to get a well performing and durable diff. What kind of break-in is required? The Truetrac units do not require a break in. 50-Inch Limited Slip Differential comes with a 1-year limited warranty against damages on materials and workmanship. Feb 26, 2014 · Changed the rear diff fluid on my Jeep last month, and few small chunks of metal came out along with drain plug just covered in metallic slime. 915A567 - Eaton Detroit Truetrac Differential, Type: Limited Slip, Ring Gear Dia. Contact me. RRP $1,902. Jul 6, 2022 · Buy Lucas Oil LUC10043 Oil SAE 80W-90 Heavy Duty Gear Oil - 1 Quart: Gear Oils - Amazon. The API has this document about various GL ratings, including GL-6. The Harrop/Eaton Truetrac was the first helical gear differential ever introduced into the automotive aftermarket. We have LSDs for Ford BA, BF, FG Turbo and V8 and Holden M80. Those that do more than travel in a straight line when racing can rely on the differential to open during cornering keeping power going to the traction wheel, while allowing for differences in wheel speed during the turns. The Truetrac performs like an open differential under normal conditions, and automatically transfers torque to the wheel with the highest traction when required. Differential Installation Notes. Nov 2, 2014 · Petroleum based oils are a no go at those temperatures, resembles rubber cement that has cured by that point. The Eaton Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. ; 34 Spline; All Ratios; Aug 9, 2010 · I recently had a 8. Eaton Detroit Truetrac Differential. Suitable for all M80 Differential V8 VT VX VY VZ Holden Commodore & HSV. Very interesting discussion on Bobistheoilguy forum regaring the synthetics and Truetrac though - Differential Fluid for Detriot Truetrac Ford 8. Super 8. 917A732. I typically shop at local Supercheap or Repco. recently had local rear end shop put in a detroit true-trac,, like a few thousand miles ago, maybe 10k, couple years ago, before pandemic. Core features. In theory a TBD is superior to a clutch or cone type LS because it can transfer more torque to the tire with traction. Ford Mustang 2. I emailed Eaton about the viscosity and type of oil. Drop-in replacement for stock differential. Came with factory LSD but clutch style, and they are notorious for slowly degrading or actually degrading pretty fast, especially if you don't change diff fluid. Regardless of the lube type, always use a GL5 rated lube with the least amount of friction modifier. Automatic engagement. The Truetrac can transfer up to 3. What type of oil do you reccomend. Hard to believe a synthetic alters the bias ratio on the unit much at all. 56 non thick then the part number below as stated is recommended for 3. If it was a clutch pack LSD or a Locker it honestly doesn't matter whatsoever ( even though the Eaton paperwork says only to use a conventional oil with all of them) but on the Trutrac it does matter. If you have to remove the pinion gear and bearings, preload is 6-8 in-lb used Traction Control. com FREE DELIVERY possible on eligible purchases. Model Axle Ring Gear Axle Shaft Spline Gear Detroit Detroit Eaton Eaton Year DescriptionDiameter Diameter Count Ratio Locker Truetrac Posi ELocker. 6 GM axles, the “Performance” Dana 35 & 44 and GM12 bolt with 35 spline axles. The main difference is the price. 5 spd. 3. May 2, 2016 · Painting 11s: with a locking or limited slip differential – and enough power – this is the result when you do a burnout: two, equal-length marks left on the road. 10 gears. 13 posts · Joined 2021. 54 and Numerically Higher Gear Ratio | Quadratec Nov 7, 2015 · from eatons website. It's quite fantastic. Download. 73 ratios. It was like 70-80 bucks shipped I found. Mar 24, 2016 · The Detroit Truetrac is a helical-gear style performance limited slip differential that maximizes wheel traction and enhances driving and handling characteristics. Ring Gear Diameter. An Eaton Detroit TrueTrac GM 9. 75 in. For example, if the Mobil 75w140 was any thinner, it would be a thick 75w110. Eaton TrueTrac Locker's are set apart from every other positraction units by: Its 100% locking differential, strength, durability and toughness are legendary . to give you an idea. The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. Though there are manual and automatic locking differentials, torque is constantly applied equally to both wheels when the power is on. You won't throw the ass out at will. Distributor. May 30, 2003 · The TrueTrac differential is designed to operate in those lubricants recommended by the vehicle/axlemanufacturer for conventional differentials. I even called and they told me the best oil for the TruTrac is Shell Spirax. If you contribute, please do not speculate about the merits of LSD, or weather one should use a locker or other type differential. 0:15. They need a 5 days ago · iQ-Cruise is the first AI-powered, intelligent cruise control that provides significant fuel savings. If you already bought 4. Maintenance free. 010-inch of backlash, using a dial indicator. Typically that was a GL-6 rated oil, now obsolete. With a focus on traction and durability, Detroit TrueTrac offers a wide range of products designed to deliver superior power distribution and traction control. 54 (4%) In Stock. It uses worm wheels instead of worm gears. Eaton Mobility Group, part of the Eaton Corporation, announced it will add new differentials to its aftermarket selection. Catalog Notes. 2L V8) 34-Tooth Axle Spline. Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement. 8 and 9 inch rear ends had a "high offset" pinion gear, and required a special gear lube to prevent early wear. So I have enough for a few changes. 56 gears but you need to order 4. Eaton’s Detroit Truetrac Announcement. 11. 32010X bearing allows 913A610 in place of 913A611. Differential Case Design Type and get Free Shipping on Orders Over $109 at Summit Racing! Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. Cons. While some customers have found that synthetic oils works well in this application, Eaton has not confirmed under test conditions that all synthetic oils are compatible with Detroit Truetrac applications Aug 12, 2016 · 250 posts · Joined 2015. Eaton Truetrac 913A586. Creager told us, “the Truetrac differential is the first in the marketplace to my knowledge that had parallel access pinion gears. Serial Number Verified : Authenticated: The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product. Answered by Chris from Louisiana on 09/10/2022. gear spacer for the higher 3. 8 diff built with all new parts including a Detroit truetrac 31 spline and Motive 3. Eaton Truetrac & Motive Gear USA 3. Product Name. gu dl tq mw lk iq ir fo hy gs