Specifications5MODELModel # 157593FLOW OUTPUTPressure Rating 4000 psiFlow Rate 4 gpmMaximum Temperature 210 FDIMENSIONS / COMPONENTSLength 142"Width 76"Height 61"Weight 1460lbs. – dry3400lbs. – water tank fullPump Type NorthStar NSRW4540Engine Horsepower 18.8 HPHigh Pressure Discharge Hose 3/8" x 150'Chemical Injector Maximum dilution ratio 13-to-1Trailer GVWR 3500 lbs.Hitch Ball Size 2"SUPPLIES REQUIRED (not included)Engine Fuel/Burner Fuel #1 or #2 Diesel(Capacity: 13 Gal.)Engine Oil See Engine Owner's ManualPump Oil(shipped with oil, but refills required)25 Oz. Oil CapacitySAE 30 non-detergent oil, or Universal TractorTransmission OilBattery 12 Volt, minimum 55 Amp/Hr.Input Water SupplyTap: Standard tap water @ 20-75 psiWater feed tank (included): Flow rate must be maintainedat 4.8 gpmInput Water Supply HoseFor Tap: Standard garden hose with inside diameter atleast 5/8"(at least 3/4" diameter if hose longer than 100 ft.)For Tank: Hose and fittings included with tank.