Load Capacity: 6000 LBS, Rolling on land   2000 LBS, Pulling on land   5000 LBS, Pulling on water Max Boat Size: 18Feet Max Boat Weight: 5000Lb. Line Speed: 6Feet/Minute With Road Battery Cable Length: 30 ft(9m) Hook Size: 3/4" opening X 3-3/4"L Power Cord: 6'L. Negative Lead http://www.empathys.com/products/newproductsT.htm