Engine Driven Utility Pump Engine Size 136 cc HP 3 1/2 hp Tank Capacity 2.85 qt Ignition Type Recoil-Start Pump Mechanism Centrifugal Body Material Aluminum Volute Material Cast Iron Seal Material Buna N Carbon Ceramic Stainless Steel Flow Rate @ 40 ft of Head 76 gpm Flow Rate @ 60 ft of Head 55 gpm Flow Rate @ 80 ft of Head 41 gpm Max Head 141 ft Max Suction Lift 26 ft Frame Design - Pumps Full Tubular Frame Impeller Design Semi-Open Maximum Discharge Pressure 51 psi