Eaton Model : 912A686
Application: GM 8.6" IRS - 218MM
Axle Shafts: 32 Spline
Gear Ratios: All
The Eaton Detroit Truetrac is a worm gear style differential that provides constant power to both wheels while allowing for wheel speed differentiation. The design of these units works so well, the US military chose this type of unit as standard equipment on the Hummer H1
