Features: 1) Free spooling clutch 2) Automatic braking action. 3) Series wound motor. Specification: Rated line pull----8000 lbs (3629 kgf) Motor:----Series wound,2.7kW/3.6hp(12V);3kW/4.0hp(24V) Overall dimensions(L*W*H)----22.4"*7.1"*6.8"(570mm*180mm*173mm) Overall dimensions(L*W*H)----22.4"*7.1"*10.63"(570mm*180mm*270mm) (Up-Setting Type) Mounting bolt pattern----10"*4.5"(254mm*114.3mm) Weight----76.7 lbs (34.8 kgs) Weight---- 80.5 lbs (36.5 kgs)(Up-Setting Type) Notice: 1) Do not use winch as a hoist,do not use for transportation of people. 2) Dont operate and spool under full load iver ine minute continuously. 3) While motor is over heating,please stop for a while to cool down. 4) Limited lifetime warranty.