A 4HG1 is a single cylinder diesel engine, and it is generally more efficiently powered in the combustion engine. 4HG1 is a type of high-speed fuel engine, and it is generally a high-speed diesel engine with a 4HG1 fuel-efficient version. 4HG1 is generally used in high-speed diesel applications, and 4HG1 is generally a high-speed diesel engine.
4HG1 engines are generally small, and the diesel engine is generally heavier and less powerful in comparison. 4HG1 and 4HG1 engines are generally the most common type of engine.