Engine-Driven mobile coldwater Unit Highest mobility by Petrol Engineer Impact resistant Metal-Chassis for long durability High stability and best maneuverability by 4 large air-filled wheels Triplex-Piston Pump with brass Pump-Head, Deramic Plungers and st.st. Valves Gear-Box to reduce Pumpspeed Automatic Throttle-Control included Optional Electric-Start - Standard for KDD 1240