Cummins engine is designed and produced by Cummins company. Cummins engines have a displacement of 1.4~91 liters and a power range of 31~3500 horsepower. They are widely used in heavy trucks, medium trucks, buses and buses, recreational vehicles, light commercial vehicles and pickup trucks and other road vehicles, as well as construction machinery, mining equipment, and agriculture Non-road equipment such as machinery, ships and railways.