The boat lift gear unit manufacturer states they have extensively researched, designed, and tested this innovative unit to put it years ahead of all the competition. Their exclusive Formed mounting plate is designed to improve strength and totally eliminate deflection problems that flat plates have. The gears are manufactured in the USA with the best materials. These are selected for strength, performance, and durability, which will provide years of trouble free boat lift operation. Easy maintenance with three easy to grease fittings. 2 year warranty on electrical, UL approved, 6 year warranty on Gear Plate. The boat lift gear unit manufacturer has over 70 years combined experience building gear drive units.