Windlass The rated working load for electric combined &hydraulic combined windlass mooring winch is ranged from15kn to 226kn, for anchor chain dia from 19mm to 73mm., the load of winch drum from 40kn to 160kn, capacity from 110m to 250m. For electric single drum winch, the drum load is from 50kn to 250kn, nylon rope dia from 45mm to 90mm, steel rope dia from 20.5mm to 40mm. Wooden packing