Gasoline Self-priming Water-Pump 4' inch(portable water pump, gasoline water pump,water pump) Gasoline Self-priming Water-Pump 4' inch(portable water pump, gasoline water pump,water pump)Model: 100KB-4GSuction, dischange port diameter: ... model: RZ173FEngine type: single cylinder, 4-stroke, OHV, air-cooled, gasolineDisplacement: 242ccRated power: 4.5kw------------option info------------color, brand, ...