Prepare your vehicle to be Ready for the Road Ahead™, with the Muncie PK Series 57 GPM 13-Tooth Hydraulic Gear Pump that supplies enhanced hydraulic capabilities. Due to sophisticated design, this replacement pump is able to utilize a series of gears and motors to convert power from an engine into hydraulic energy. Constructed with an ultra-durable build to tolerate extreme pressures. FleetPride is your First Click in Heavy Duty®.