The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics for Full Size Jeeps with rear AMC 20 axle. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.
The Truetrac is smooth, quiet and automatic. It will automatically engage without any driver knowledge or action required. Performs like a standard / open differential during normal driving conditions, and then transfers torque automatically to the wheel with better traction when one side starts to slip. It also does have any wearable parts and requires zero maintenance, meaning less time turning wrenches, and more time driving!
Detroit Truetrac Differential; 29 Spline; 1.27 in. Axle Shaft Diameter; 3.08 And Up Ring Gear Pinion Ratio; Rear AMC 20;
Fits:
- 1976-1983 Wagoneer
- 1976-1983 Cherokee
- 1984-1986 Grand Wagoneer
- 1976-1986 J-10
Differential Case Design Type: AMC Model 20
Remanufactured: No
Aftermarket Carrier Style: Helical gear
Cover Bolts: 12
Axle Shaft Spline Quantity: 29
Manufacturer of Axle: AMC
Carrier Material: Steel
Carrier Bearings Included: No
Notes: Fits 3.08 and numerically higher gear ratios.
Special Attention: Eaton recommends a petroleum/mineral based GL-5 80W90 gear oil for all Truetrac differentials. Do not use synthetic gear oil or friction modifiers.