Type:Semi-chemical,self-priming Inlet and outlet size: 50 (2")Displacement(m3/h ): 49 Pump lift (m): 25 Suction height (m): 8m self-priming time(s/5m):65 Engine model: WG160 Displacement: 163ml Engine max output: Hp/rpm: 5.5/3600 Engine max torque(N?/rpm):9.5/2500 Fuel volume (L): 3.6L Bore x stroke: 68x45 Compression ratio: 8.5:1 Oil volume (L): 0.6L Start mode: recoil NW/GW (kg): 25/27 Package dimensions (mm): 520x405x465