CUMMINS ENGINES Cummins offers a wide range of engine power options that are reliable, durable and environmentally friendly. The company manufactures motors according to Tier I - Tier IV standards. Optionally, you can purchase a mechanically or electronically controlled model that meets the stringent carbon emission requirements. Cummins diesel engines are designed for mining applications. They are characterized by economical fuel consumption and high reliability. The equipment equipped with Cummins engines has no equal in terms of performance.