War Dept Film Bulletin 135: Bulldozer for Medium Tanks 1944
National Archives description “Demonstrates in detail how the dozer blade is mounted on the tank. Shows the tankdozer breaking down scaffolding, steel railings, log pilings and walls, and concrete eggs and coffins. Demonstrates how it can pile dirt to ramp walls, clear jungles and jettison the blade to convert to a combat tank.”
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