This NorthStar high-performance pressure washer combines the power of premium Honda GX engines with a long-life direct drive triplex pump for unsurpassed performance on tough cleaning tasks. Pressure (PSI): 4,000, Flow (GPM): 3.5, Engine: Honda GX390 OHV, Engine Displacement (cc): 389, Gross Torque: 18.5, Pump: Triplex, Drive: Direct, Gun: Industrial rear-entry with 3-ft lance, Nozzle Type: Quick-Connect 0deg , 15deg , 25deg , 40deg and soap nozzle, Orifice Size: 3.5, Hose: 50ft. gray high-pressure hose with Cart: Push down cart with 10 pneumatic tires, Fuel Capacity (gal.): 1.6, Max. Inlet Water Temp (deg F): 140, Fuel Type: Gasoline, Chemical Injector: Yes, Adjustable Pressure: Yes, Engine Oil Type: SAE30 motor oil, Pump Oil Type: Universal Tractor Transmission Oil, Engine Oil Included: No, Pump Oil Included: Yes, Low Oil Shutdown: Yes, Thermal Protector: Yes, Dimensions L x W x H (in.): 34 x 21 x 38