Highlander Hybrid. Device connecting Drive Shaft to Axle Shafts that allows for varied speeds of wheel rotation. Differential Carrier. Electric Motor and transAxle assembly that provides the propulsion in a hybrid vehicle. Rear Traction Motor with TransAxle. The Differential Carrier assembly is a housing that is used to hold all of the Differential components and includes those components (Differential side & pinion gears, the ring gear, shims, washers, bearings, pinion pin, clutches etc.). To 11/2016. ASSEMBLY, TRACT. Case. Center. Hybrid Electric and Transmission Assembly. TransAxle/.