The Eaton Detroit Truetrac is a helical gear-driven limited-slip differential that automatically sends torque to the wheel with the most traction, sharpening handling and drivability without the on/off behavior of a locker. It operates smoothly and quietly, needs no maintenance, and suits street, tow, and trail use.
- Type: Helical gear limited-slip differential
- Axle: Dana 30 front
- Ring gear: 7.2in
- Axle shaft diameter: 1.16in
- Spline count: 27
- Gear ratio: 3.54 and down
- Part number: 912A584
Axle Fitment
- Fits the Dana 30 front axle, 27-spline, 7.2in ring gear, 3.54 and down ratios, used across Jeep Cherokee, Wrangler, and JK and Chrysler/Dodge trucks. Confirm your axle and spline count.
FAQ
What is a Detroit Truetrac?
It is a helical gear limited-slip differential that automatically biases torque to the wheel with the most traction, with no clutches to wear and no maintenance.
Which axle does 912A584 fit?
The Dana 30 front axle with a 7.2in ring gear and 27-spline axle shafts, in 3.54 and down gear ratios.
Does it need any special gear ratio?
This unit is built for 3.54 and down ratios. Confirm your ratio and spline count before ordering.
Is maintenance required?
No. The Truetrac operates automatically and needs no routine maintenance.
