5 ton hydraulic winch 1.compact structure 2.small volume 3. ... increases by 10%, and the transmission is stable, with convenient operation. It’s made of worm gear reducer,hydraulic motor ... the winch on the truck, the bolt of mechanical capability 10.9 grades (GB5782-86) is required to fasten, ... going away from clutch while draging the heavy things.10.This winch is not designed for manned lifting, and ...