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  Store > Eaton TrueTrac >

Dana 44 Eaton Detroit TrueTrac | Rear 30 Spline (3.92 & Up)
Eaton Detroit TrueTrac
Photo is for illustration purposes only and may
not be an accurate depiction of this product.
  
Price: $560.93


Status: Ships in 1-2 Days
Product Code: EAT-913A590

Installation Accessories

Add 7/16" Ring Gear Bolt Sleeves [+$45.00]
- Includes: (10) YSPBLT-028 | For use with 7/16" ring gear bolts.

Add Cryogenic Treatment Service [+$185.00]
- Increases strength and durability of differentials by 20-50%.
- Improves case and core hardness transition and microstructure.
- Relieves internal stresses and reduces microfractures.

Services are performed by Crown Race Gears.
Service times vary by season (2 to 6 weeks).

Qty:  
Description Compatibility Part Numbers
 

Eaton Model: Application: Axle Shafts: Gear Ratios:
913A590 Dana 44 30 Spline 3.92 +

This Eaton TrueTrac locker fits Dana 44 rear axles with 30 spline axle shafts.

This locker is double drilled for both 3/8" and 1/2" ring gear bolts.
For 7/16" bolts, the 3/8" holes can be enlarged or 7/16" sleeves can be used in the 1/2" holes.

This differential will only work with 3.92 and numerically higher gears. Do not use thick gears.
For more information, please see Thick Gears and Carrier Breaks.


How Does The Eaton TrueTrac Compare To Other Lockers?

[ Jump To Eaton TrueTrac Section Of Video | Crawlpedia Differential Locker Comparison ]



(To skip ahead to the Eaton TrueTrac section of the video, go to minute 6:05 or click here.)


Detroit TrueTrac lockers are Torsen style limited slip differentials that use helical gears instead of clutch packs to offer automatic torque biased traction to both drive wheels at all times. The ingenious design limits the speed of each wheel to 1.5 times faster or slower than the opposite wheel to provide full-time traction while still allowing for wheel speed differentiation in turns. The heavy duty all-gear design not only makes for quite and smooth operation, it requires no maintenance and will never weaken or wear out like a typical limited slip differential. These unique features make the Detroit TrueTrac ideal for race cars, rally cars, trail rigs, full size trucks, and daily drivers.



The Detroit Truetrac is a Torsen style differential that provides constant power to both drive wheels at all times while still allowing for wheel speed differentiation. The design works so well that the US military chose the Torsen differential as standard equipment on the Hummer H1.


Eaton specifically designed and built the Detroit TrueTrac locker for use in 4x4 vehicles and to withstand the abuses of off-roading. Precision forged gears, high strength materials, and high-tech manufacturing procedures make the TrueTrac one of the most durable and reliable limited slip lockers on the market today. They are easy to install and maintenance free.


Eaton images are © Copyright Eaton Corporation, used with permission.
Additional images and product descriptions are © Copyright Filthy Motorsports, LLC.
Features
  • Torque biasing helical gear design
  • Smooth, quiet, and automatic operation
  • Works in front or real axle applications
  • Maintenance free limited-slip locker
  • Heavy duty construction
  • ABS Compatible


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