... 3. Simple installation & stable operation 4. Fuel-saving Diesel Engine/Engine 1.CE approved powerful output2.Light and handy in structure3 ... , low emission R2V840 V-Twin air-cooled diesel engine is applicable for generator set,water pump,fire pump,lawn mower set,boat ... ,ATV,tractors,harvesters and concrete cutters etc. 3-20hp diesel engine 4-stroke,air-cooled ...