SD186A/E is air-cooled diesel engine, 4 stroke engine, direct injection engine, 4 hp engine, ... and CE approved SDS provide both diesel engine and gasoline engine from 4hp to 16hp.1, Diesel engine 4hp, 7hp, 9hp and ... 10hp.2, Gasoline engine 5.5hp, 6.6hp, 8hp, 9hp, ... person to monitor the production process and do performance testing Diesel Engines