Prepare your semi truck to be Ready for the Road Ahead™, with the Maxon Heavy Duty Rear Liftgate Power Unit Motor and Pump that helps automate the opening and closing of a rear tailgate. Due to its ability to create hydraulic pressure, this replacement pump is able to provide the power necessary to open or close a rear liftgate. Manufactured specifically to eliminate the need for manual effort, leading to increased productivity. FleetPride is your First Click in Heavy Duty®.