Brownell Hydraulic Boat Lift 8,000 lb Capacity. Powered by hydraulic jacks for smooth and easy operation. Safety Pins for added protection. No-flat tires and hand grip for easy mobility. Adjustable base and arm with two arm positions. Full capacity for entire lifting range 27"-59". Capacity at horizontal extension: 8,000 lbs at 10", 6,000 lbs at 14", 4,000 lbs at 18".