Engine Model: GP196 Engine: 4-stroke, Single cylinder, Air cooled engine Max. Output: 6.5HP/3,600RPM Displacement: 196cc(11.6 cu in ) Bore x Stroke: 68x45mm/2.7inx1.8in Compression ratio: 8.5 : 1 Pump Type: High Pressure Centrifugal, Self-Priming Priming Time: 30 sec. at 4 m(13.1 ft.) Drive System: Direct Suction port diameter: 50mm(2.0") NPT Discharge port diameter: 50x1mm NPT Total head lift: 55m(180 ft.) Max. Capacity: 30m3/hr Suction head lift: 8m (26 ft.) Max. Pressure: 71 psi L x W x H: 510x420x457mm/20.1x16.5x18.0in Net weight: 27.0kg(59.5lb)