diesel engine 1) air cooled, 4stroke 2) 4HP, 6.5HP &10HP direct-injection ... CERTIFIED diesel enginesingle-cylinder, Vertical, four-stroke, direct-injection, air cooled,ModelDY170F(E)DY178F(E)DY186F(E)DY186FA(E)TypeSingle-cylinder ... , Vertical, 4-stroke, air-cooled diesel engineCombustion SystemDirect InjectionBore X Stroke (mm)70X5578X6286X7086 X72Displacement ( ...