The 269cc honda gx270 engine drives powerful operation for the 4000 PSI 3.5 gpm cold water gas pressure washer. It features a triplex pump. A maximum working pressure of 4000 PSI and a flow rate of 3.5 gpm help clean efficiently. For added convenience, this pressure washer offers 5 quick disconnect nozzle tips, a reinforced 50 ft. Hose, and a 1.4 gal. Fuel tank.