Original Air Cooled 2 Cylinders 4 Stroke Scdc Diesel ...
2019-12-5u2002·u2002original air cooled 2 cylinders 4 stroke SCDC diesel engine R2V88 The diesel engine has the highest thermal efficiency (engine efficiency) of any practical internal or external combustion engine due to its very high expansion ratio and inherent lean burn which enables heat dissipation by the excess air.
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