Outfit your vehicle to be Ready for the Road Ahead with enhanced hydraulic capabilities, with the Muncie PK Series 57 GPM 13-Tooth Hydraulic Gear Pump. By utilizing 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. Fabricated with an super-durable build to tolerate extreme pressures. FleetPride is your First Click in Heavy Duty .