Detroit Truetrac Differential
The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics.
The Truetrac 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.
Operation of the Truetrac is smooth, quiet and automatic. The unit will engage without any driver knowledge or action required. It also has no wearable parts and requires no maintenance, meaning less time in the garage and more on the road.
Ford 8.8", 31 Spline, Trac Lock (Not S-Spring)
- 1983–1996 Ford Bronco
- 1997–2006 Ford Expedition
- 1991–1994 Mazda Navajo
- 1991–2010 Ford Explorer
- 2001–2010 Ford Explorer Sport Trac
- 1997–2010 Mercury Mountaineer
- 1983–2014 Ford F-150 1/2 Ton
- 1994–2014 Ford Mustang (Most Mustang used 28 Spline)
- 2003–2007 Ford Ranger FX4 Level II