4WD. A single complete drive axle assembly, used on vehicles that utilize dependent suspension systems, that includes a Differential and drive axles to deliver power to the wheels of a vehicle in order to drive the vehicle. Device connecting Drive Shaft to Axle Shafts that allows for varied speeds of wheel rotation. ASSEMBLY, DIFFER. Beam Axle Assembly. Center. Drive Axle Assembly. Live Axle Assembly. Rigid Axle Assembly. Solid Axle Assembly. Transaxle/motor.