The HP series hydraulic power units are engineered for continuous professional use and are optimized to deliver ideal flows and pressures to both Type 1 and Type 2 hydraulic tools. Their powerful Briggs & Stratton engines and best-in-class cooling system delivers the power and heat rejection pros need to keep tools working uninterrupted all day in all types of conditions. The HP series of power units feature a manual throttle for ultimate user control. The HP12 Model id designed for heavy-duty continuous use as a power supply for Type 2 and Type 3 tools.