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A power operated mechanical device designed to be mounted on a self-propelled vehicle and driven by the vehicle power take-off or an integral power unit. The device has a horizontally mounted revolvable drum(s) on the periphery of which the end of a rope, line, or chain is secured for exerting a raising, lowering, or pulling motion. The device may also contain a revolvable head(s) or spool(s) (gypsy head) around which one or more turns must be taken for exerting pulling power. See also WINCH, GYPSY. Excludes WINCH, DRUM, POWER OPERATED and WINCH, AIRCRAFT MOUNTED.
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