diesel engine 1) air cooled, 4stroke 2) 5HP, 7HP &10HP 3) CE, EPA CERTIFIED diesel enginesingle-cylinder, Vertical, four ... -cylinder, Vertical, 4-stroke, air-cooled diesel engineCombustion SystemDirect InjectionBore X Stroke (mm)70X5578X6286X7086 X72Displacement ... /Lub.oil0#in summer, -10# or -20# in winter light diesel fuel/SAE 10W30Electric system12V-18AH12V ... CE EPA 10hp air cooled diesel engine