... Rated speed 3, 600rpm Cont head 13m Maximum flow 30m3/h Maximum suctio Product Description Suction/discharge port ... priming time 120S/4m Engine model OS168F-1 Engine type four-stroke, single cylinder and OHV forced air ... And usually,2 inches water pump with 5.5 HP engine,3 inches water pump with 6.5 HP ... carburator,we can choose HUAYI if you need the high quanlity ,the same as following,if there is ...