Detroit Truetrac Limited Slip Differential

True Trac limited slips allow you to have great street characteristics, while greatly improving off-road performance. The True track features a worm gear operation, so there are no wearing parts, unlike other limited slip differentials.

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The Eaton Detroit Truetrac® limited-slip differential is the pioneer in helical gear based traction technology. Wheel spin out is limited by the differential, which employs pinion- and side-gear separation forces to automatically transfer torque to the wheel with the best traction. Mobility, stability and handling are enhanced, and drivers can be confident knowing that up to 3.5 times more torque is being transferred to the high-traction wheel. Operation of the Truetrac® is smooth and quiet, and the unit will engage without any driver knowledge or action required. It also has no wearable parts and requires no maintenance, meaning a lower overall cost for the customer.

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, the gear separation forces take effect and transfers torque to the high-traction wheel. The helical-shaped pinion gears continue to mesh with the side gears with increasing force until wheel spin is slowed or completely stopped. When the vehicle exits the low traction situation, the separation forces cease and the differential resumes normal operation.


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