1,gear reducer drive winch 2,lift safety with double brake 3,powerful traction from 1T to 25T ... , steel structure, transport and assemble, disassemble, pulling machines. sometimes with rope guider for wire rope dispose trimly, safety and credible ... from 1T to 25T. Pls see below detailed technical parameter:ModelJM1JM2JM3JM5JM8JM10Wire calbe rated pull KN1020305080100Wire cable rated speed m/min12 ...