... pump set, big flow,mechanical shaft seal, high pressure, two guns,short priming time, easily carry by two men. 20hp gasoline fire pump ... set Water pump inletjoint typescrew typejoint caliber80mmWater pump outputjoint typetooth typejoint caliber65mmRated flow>=1200L/ ... boreXstroke(mm)77X66Gasoline tank volume(L)6.5 20hp gasoline portable fire pump set