Features: 1)Free spooling clutch. 2)Automatic braking action. 3)Great gear ratio designed for steerring power drive. 4)Specially designed differential gearing for heavy duty. 5)Specially designed shape for convenient installation and good looking. 6)Remote control with control box and switch. 7)Wireless remote control. 8)12V/24V DC electric valve control. 9)SWR tensioner available. 10)Can be for engneering use. Specification: Rated line pull---10000lbs(4536 kgf) Motor displacement----50ml/r Oil flow----5.3~13.2G/min(20~50L/min) Pressure----14MPa Gear reduction ratio----33:1 Cable(Dia.*L)----Φ13/32"*87'(Φ10.2mm*26.5m) Drum size(Dia.*L)----Φ2.8"*8.8"(Φ72mm*222mm) Mounting bolt pattern----10"*4.5"(254mm*114.3mm) Overall dimensions(L*W*H)----20"*8.1"*8.8"(510mm*206mm*224mm) Weight---135.1Ibs(61.28kgs)