... )7HP Air cooled 2)vertical shaft,camshaft 3)electric start,low fuel consumption 4)1year warranty four stroke diesel engine air ... cooled ,OHV,4 stroke,4/7/10/12hp, hand start ... E)TypeSingle-cylinder, Vertical, 4-stroke, air-cooled ,Diesel engineCombustion System Direct InjectionBore x stroke(mm) 78x62Displacement(mi)296Compression Ratio ...