The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. 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.
For 2015 - 2024 model years with 8.8" axles, Front and Rear fitments. Improve your stability while towing, improve off-road traction and handling, and limit wheel spin-out in performance applications. Now Available.
New applications for the 2011 and up RAM are now available and can help increase stability while towing, improve off-road traction and handling, and limit wheel spin-out.
New applications for 2015 and up GM 1/2 ton pickups are now available! Increase stability while towing, improve off-road traction and handling, and limit wheel spin-out.
Looking for a Detroit Truetrac?
View our application guide to find the right Truetrac for your application.
Truetrac offers high power density in a limited packaging space thanks to its high-strength helical gear design, making it a smart choice for EV applications. It is fully automatic and maintenance-free, and can transfer up to 3.5 times more torque to the high traction wheel. It retains its torque bias retention for a lifetime and does not need electronic connections or software to integrate into a vehicle.
The Detroit Truetrac differential operates as a standard or open differential under normal driving conditions, allowing one wheel to spin faster or slower as necessary. When a wheel encounters a loss of traction or the terrain changes, the gear separation forces take effect and transfer torque to the high-traction wheel. The helical-shaped gears mesh with increasing force until wheel spin is slowed or completely stopped. When the vehicle exits the low traction situation, the differential resumes normal operation.
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