Direct and general support and depot maintenance repair parts and special tools lists : tractor, full tracked, low speed : diesel engine, medium drawbar pull, oscillating track, 74-in. minimum gage, power shift transmission, w/bulldozer, hydraulic-tilting, w/backrip scarifier, w/winch, reversible, rear, 1 drum (Allis-Chalmers model HD16M) ....

"April 1972."