The Porter-Cable CPLC7060V 20 Amp, 3 HP 60-Gallon Oiled Vertical Compressor offers a steady stream of 135 PSI compressed air to your air tools, as well as quick recovery times. The 3.0 HP (running) engine keeps the large 60-gallon tank filled, and the single stage, oil lubricated pump provides maximum pump performance with minimal pump cylinder wear. The patented automatic belt tensioning system adjusts compressor belts when needed without having to manually do so.