The 912 Trailer Winch is well established with a solid, reliable reputation. The 912 feature’s a smooth power-in/free-wheel out action. You can use a pulley or block at the bow eye to double your pulling power. You can get more strength out of your trailer winch.Power-in/freewheel-out operation60 amp standard wiring harnessPulley block for double line applicationsMax. boat weight of 11,500 lbsLine Speed 8 FPMVertical Lift Capacity 4000 lbsDouble Line Capacity 7500 lbsGear Ratio 450:1Power Source 12VCircuit Breaker 60 ampUnit Weight 35 lbsDepth 10"Width 10"Height 8"Cable Length and Diameter 40' x 7/32"