The ISF 3.8-liter light-duty engine is an in-line four-cylinder high-pressure direct injection diesel engine developed by Cummins. It represents a new generation of full-authority electronic control light-duty diesel engines, and covers a wide power range of 141-168 hp. It is powerful, exceptionally durable, compact, and highly cost effective. The engine complies with Euro IV ,Euro V and Euro VI, and allows for easy upgrades.