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In rear-wheel drive automobiles the central drive shaft (or prop shaft) engages the differential through a hypoid gear(ring and pinion). The ring gear is mounted on the carrier of the planetary chain that forms the differential. This hypoid gear is a bevel gear that changes the direction of the drive rotation.
Ring and pinion gears, differential assembly, axle shafts Purpose and function of the drive axle assembly Changing direction and multiplying engine torque, allowing the wheesl to rotate a different screens, support the weight of the vehicle, drive the wheels through the axles