... 1)3 inch,100% load test,high pressure 2)YM177FP,air cooled,4-stroke 3)1year warranty 100% cooper 4)CE ... gasoline water pump1)engineYM177fp,gasoline engine,OHV,air cooled,4-stroke,bore*stroke:77*58mm2)applicationsuitable for gardening ... ,etc3)other1.5/2/3/4 inch available,hand or electric start,high pressure,small or big fuel tank detailed technical ...