TM-9-2520-272-40 Direct Support for M113A3 X200-4A Transmission 2520-01-397-1074 Download
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TM 9-2520-272-40 0002 SUSTAINMENT MAINTENANCE EQUIPMENT DESCRIPTION AND DATA EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES The purpose of the Cross-Drive Transmission, Model X200-4A is to transmit power from the engine to the f nal drive. The X200-4A transmission is part of the vehicle drive system for the M113 Family of Vehicles. Vehicle Drive Power Power is transmitted from engine to transmission through the torque converter. The torque converter is a f uid coupling and torque multiplier. The increased torque from the torque converter is extended through selected planetary gears to output shafts. Left and right output shafts transmit power to the f nal drive assemblies. The f nal drive units operate sprocket drive shafts for left and right tracks. A clutch arrangement in the transmission enables gear selection. Steering Steering is accomplished through the transmission. Braking Braking is accomplished through the transmission. 0002‐1