2-4 inch gasoline engine (168F) / fuel water pump 1. ... in 2009,specializing in the water pump,gasoline generator,diesel generator,electric motors and alternator generator ... is constituted by gasoline water pump,diesel pump,kerosene pump and gasoline sewage pump. 2-4 inch gasoline engine (168F) / ... light weight 3.Qualified mechanical seal device4.Self-suction structure5.Wide option range in bore size ...