Lightweight cast iron cylinder, oil lubricated for professional use. Thermally protected 2.5 HP, 115V electric motor is CSA/US approved. Powder coated tank, convenient oil drain on front of unit, easy view oil site gauge. High efficiency reed valves for maximum performance. Quick coupler, regulator and gauge included for convenient control of line pressure. SPECIFICATIONS: 2.5 HP, 115V, 4.1 CFM at 90 PSI, 125 max PSI, 1,720 RPM, 11.5 Amp draw, 95-125 pressure switch, 4.2 gallon. 67 lbs. tool weight. 20"Length x 16"Width x 18"Height.