The AC12V3 portable air compressor from Phoenix USA features a 3 gallon tank and .75 HP motor and has a compact design. Motor Type:Universal 12V 3 Gallon Tank .75 HP Product Dimensions = 22″L x 18.5″H x 8″W Product Weight = 42 lbs Compressor Only! Old Part Number: PAC Weight:38 lb Max. Pressure:120 psi (F)NPT Outlet:1/4 in Cylinder Material:Steel Motor RPM:1,750 RPM Motor Type:Universal