TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0003 00 0003 00-2 THEORY OF OPERATION (Contd) 0003 00-2 0003 00-2 POWERTRAIN Power Train System Operation: The powertrain components are the same on all models with exception of turbocharged and non-turbocharged engines and an additional propeller shaft and center bearing on the M36A2. The major powertrain components of the M44A2 series are as follows: FRONT AXLE – Transmits power from front differential to front wheels. TRANSMISSION – Transfers engine power to meet different speeds and power requirements. TRANSFER CASE TO FRONT DIFFERENTIAL PROPELLER SHAFT – Transmits power from the transfer case to the front differential. TRANSFER CASE – Distributes power to front and rear axles. UNIVERSAL JOINTS – Permit power to be transmitted at slight angles between transmission and transfer case and between transfer case and differentials. TRANSFER CASE TO FORWARD-REAR AXLE PROPELLER SHAFT – Transmits power from the transfer case to the forward-rear differential. FORWARD-REAR AXLE – Transmits power from forward rear differential to forward-rear wheels. FORWARD-REAR AXLE TO REAR-REAR AXLE PROPELLER SHAFT – Transmits power from the forward-rear axle to the rear-rear axle. REAR-REAR AXLE – Transmits power from rear-rear differential to rear-rear wheels. TRANSMISSION TO TRANSFER CASE PROPELLER SHAFT – Transmits power from the transmission to the transfer case. ENGINE – Transmits power from the transmission to the transfer case. K J I H G F E D C B A