44-45 Archives - Transmission Digest
Transfer Cases and Tires: How RAM is changing the rules

Looking at the BorgWarner 44-44 and 44-45 transfer cases, we see an evolutionary change that started with the BW4405 and 4411 and has now reached this level of development. The design uses a wet-clutch pack in the transfer case to split torque between the rear and front axles.