This high-performance 4400 PSI 4.0 gpm cold water gas pressure washer features a triplex pump and a 389cc honda gx390 engine to drive its powerful operation. It has a maximum working pressure of 4400 PSI and a flow rate of 4.0 gpm to help clean efficiently. For added convenience, this pressure washer offers 5 quick disconnect nozzle tips, a reinforced 50 ft. Hose and, a 1.6-gallon fuel tank.