The Cummins 4BT engine is a popular four-cylinder diesel engine known for its durability, efficiency and versatility. The engine has been used in a wide range of applications, from light trucks to industrial equipment and marine use. Equipped with a turbocharger, it improves performance and efficiency, providing more power and better fuel efficiency than a naturally aspirated engine. It can be used in a variety of applications, including: commercial vans and pickup trucks, construction machinery, generators and material handling units, propulsion and auxiliary power for small boats and commercial vessels, powering tractors, combines and other agricultural machinery, etc.