

'The Detroit TrueTrac is advertised as a 'torque-proportioning' differential that is entirely gear-based, which means it needs no clutches or special oil. It is available for the front and rear of all toyota 4x4s through 1995. It behaves like an open differential most of the time, but when a loss of traction occurs, its small pinion gears (which basically perform the same function as spider gears in an open differential) separate slighly from the side gears and wedge into a pocket on the carrier, which sends torque to the non-slipping wheel. The picture below is the internals of a TrueTrac'

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Pour info c'est disponible au US pour tout les dif toyota 8', c'est à dire presque tous
