5.5 HP OHV engine Triplex pump with ceramic plungers Forged brass manifold with variable pressure Maximum pump operating temperature of 70° C / 160° F Chemical injector with soap metering valve Powder coated frame with removable handle Thermal relief valve 10 inch pneumatic wheels Trigger controlled shut-off gun with 35 inch wand Non-marking high pressure hose Nozzle orifice size ? 1mm 4 Quick coupled nozzles: 15° (yellow), 25° (green), 40° (white) and 50° (black soap tip) Specifications HorsePower (Hp / kw): 5.5 / 4.0 Fuel Capacity (US Gal / L):0.95 / 3.6 Operating Pressure (PSI / Bar): 2200 / 151 Volume (US GPM / Litres): 3.0 / 11 Pressure Hose (Ft. / m): 35 / 10 Dimensions (in / cm): 31 x 21 x 33 / 78 x 53 x 83 Weight (lb. / kg): 75 / 34