PORTER-CABLE CPLC7060 20 Amp 3-Horsepower 60-Gallon Oiled Vertical Compressor 135 psi max allows for longer air tool runtime Patented automatic belt tensioning system reduces maintenance Air delivery at 40-psi: 11.4-scfm; air delivery at 90-psi: 9.7-scfm Air compressor weighs 196-pounds Single stage, oil lubricated pump with an aluminum body and cast iron sleeves provides maximum pump performance and minimum pump cylinder wear.