The drive train of the M915A2 consists of a 60 Series Detroit Diesel
engine and an Allison 4-speed automatic transmission connected to RT 40-145P rear
The M916A1 and M916A2 have RT52-160P rear tandem axles and
an Oshkosh front drive axle. The axles receive power through an Oshkosh transfer
case from the transmission and engine.
The M917A1 and M917A1 w/MCS drive train is similar to the
M916A2. It differs in that all axles are modified to incorporate CTIS plumbing.