Application – Ford 9″ with 31 spline axles

Description
Eaton 31 Spline Detroit Truetrac
A helical gear differential that offers smooth power transfer

Features
Torque Biased Mechanical Unit
• Helical gear design
• Smooth, automatic operation
• Clutchless & maintenance free
• Operates in forward & reverse

Gear Lube
DO NOT USE SYNTHETIC GEAR OIL
Will adversely affect unit operation

Use Only Petroleum Based 80W-90 or 85W-140 Gear Oil