... safety 2,powerful traction 3,slow Speed Winch line pull capacity from 1T to 50T This machine is gear decelerator ... small pull capacity is appliable for construction, lifting, disassembly, traction, assembly in construction company, mine, factory and so on.Large ... pull capacity mostly are appliable for port building, traction of shipyard, steel structure, transport and assemble, disassemble, ...