Prepare your vehicle to be Ready for the Road Ahead , with the Parker-Hannifin PGP020 13-Tooth 2/4-Bolt Hydraulic Pump that provides improved hydraulic pressure control. This replacement PTO pump transforms electricity into hydraulic motor power, to raise the bed of a dump truck or trailer to release contents. Engineered with a durable metal kit that is suitable for salt, sand, and wrecker applications. FleetPride is your First Click in Heavy Duty .