Engine: 13HP Honda Engine Pump: 55 Cast Iron, splash lubricated, 2 stage 3 cylinder RPM: 1100 CFM Displacement: 24 CFM Delivery: 23 PSI: 150 Receiver: Horizontal 30 Gallon Rated at 200psi Weight: 450lbs Model: IS13-5530 HP: 13 (gas) Pump: 3 cylinder / two stage Tank: 30 gal horizontal CFM: 23@150psi Starter: Electric/GAS