Engine GX240, 8 HP, OHV Displacement 242 cc ; Bore and Stroke 2.9" x 2.3" ; Compression Ratio 8.2:1 ; Pump Type Trash Centrifugal, Self-Priming ; Volute Rigid Mounted Cast Iron w/ Stainless Wear Plate ; Impeller Conical Cast Iron ; Mechanical Seal Silicone Carbide/Silcone Carbide ; Priming Time 50 sec. at 16.4 ft. ; Drive System Direct ; Discharge Capacity 319 gals./min. ; Suction Port Diameter 3" NPT ; Discharge Port Diameter 3" NPT ; Total Head Lift 89 ft. ; Suction Head Lift 26 ft. ; Maximum Pressure 39 psi ; Solids Handling 1 1/16" ; Dimensions 26.0" x 19.5" x 20.3" ; Dry Weight 132 lbs