TM-9-2520-272-40
CROSS-DRIVE TRANSMISSION WITH CONTAINER MODEL X200-4A
TECHNICAL MANUAL; SUSTAINMENT MAINTENANCE MANUAL
FEBRUARY 2012
TM-9-2520-272-40 - Page 41 of 620
TM 9-2520-272-40
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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.
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