Marine Winch And Its Type The marine winch is a device which is driven by human or mechanical power, winding rope or chain to complete traction work. This product has high universality, compact structure, small volume, light weight, significant and easy to use. As part of the marine deck equipment, marine winch plays an important role in the operation of the ship. With lifting and pulling function, the marine which is always used on on ship, dock or shore, in the port, on offshore platforms etc. What’s more, it can also bring the fishing nets and cages up from the depths of the sea and onto the deck of a vessel.