Double Stage 5.5 HP Air Compressor Head Pump Motor 175 PSI Twin Cylinder. Rated Pressure: 175 Psi (1.16Mpa). Driving Power: 4Kw (5.5Hp). Cylinder Diameter: 3.54 (90mm). Distance Of Screw Hole: 26cm14cm (10.2″5.5″). Rated Exhaust Volume: 0.6L/Min. Note: If The Motor Speed Is 2880rpm, The Diameter Of The Motor Wheel Is…