US Army, Technical Manual, TM 5-2410-234-20P, TRACTOR, FULL TRACKED, LOW SPEED, HEAVY DRAWBAR PULL, (SIZE T-11) W/ANGLE DOZER, WINCH AND ROPS; CATERPILLAR ... MODEL D8K-8S-8 (CCE) (2410-00-574-7598)

Written by U.S. Department of the Army