... Engine type Single cylinder, Vertical 4-stroke, air cooling Bore x Stroke ( mm) 70x55 Displacement ... specializing in tillers, water pumps, generators, gasoline,diesel engines, and Parts of above products,Parts of Motorcycles ... Diesel engine assemble lineElectric start diesel engineDifferent type of the output shaft1 keyway shaft6 keyway shaftTaper shaft 4hp 170F air-cooled single cylinder diesel ...