AMS Gearplate OnlyGalvanized Backplate with Pulley and Belt No Motor Included 3,000 lb to 8,500 lb Capacity This Galvanized Backplate ONLY is a heavy duty, corrosion resistant backplate designed for use in flat plate boat lift systems. Built to withstand harsh marine environments, each backplate includes a durable pulley and belt for smooth power transfer and lift operation. Available in multiple weight capacities 3,000 lb, 4,000 lb, 6,500 lb, and 8,500 lb this