Prepare your vehicle to be Ready for the Road Ahead , with the Muncie PF Series 27 GPM Hydraulic Gear Pump that supplies enhanced hydraulic capabilities. With a sophisticated design, this replacement pump is able to utilize a series of gears and motors to convert power from an engine into hydraulic energy. Manufactured with an ultra-durable build to tolerate extreme pressures. FleetPride is your First Click in Heavy Duty .