Single Drum Marine Hydraulic Mooring Winch 1-75Ton Lebus Grooved Drum Heavy Duty Product Description This single drum marine hydraulic mooring winch covers a 1 to 75 ton line pull range in one compact frame, making it the workhorse choice for fishing vessels, tugs, dredgers and offshore support boats with limited deck space. The drum is machined with Lebus grooving and matched to a reciprocating levelwind assembly, so wire rope spools layer by layer without crossing, kinking