Engine Driven Utility Pump Engine Size 163 cc HP 4 4/5 hp Tank Capacity 3.28 qt Ignition Type Recoil-Start Pump Mechanism Centrifugal Body Material Aluminum Volute Material Spheroid Graphite Ductile Iron Seal Material Buna N Flow Rate @ 40 ft of Head 171 gpm Flow Rate @ 60 ft of Head 115 gpm Flow Rate @ 80 ft of Head 31 gpm Max Head 85 ft Max Suction Lift 26 ft Frame Design - Pumps Full Tubular Frame Impeller Design Semi-Open Maximum Discharge Pressure 37 psi