An auxiliary transmission mounted behind the main transmission Used to divide engine power and transfer it to both front and rear differentials, either full time or part time
A unit mounted between the transmission and driveshafts of four-wheel drive vehicles that controls the flow of power to the front and rear drive axles when you shift back and forth between two-wheel and fourwheel drive
A mechanical device with the capability to send power to a front driving axle as well as a rear driving axle Transfer cases drive the front output shaft with either a geartrain or a flat Hyvo-type chain Transfer cases designed for four-wheel-drive vehicles offer a low-range drive mode, where all-wheel-drive vehicles typically have a single-speed transfer case
divides the power between two or more sets of driven axles of the same vehicle E g a fourwheel drive vehicle has a transfer case that diveds the power between the fron and rear axles