Tier 4 Final and Stage IV Engines

View Tier 4 Engines

Cummins Engines led the way in Tier 4 Interim and Tier 4 Final compliance. Our Tier 4 engines deliver economical, near-zero emissions diesel power for applications in trucking, mining and construction, commercial marine, rail and more.

Your Tier 4 Connection

Looking for more information on our Tier 4 and Stage IIIB/IV engines, or have questions about your Cummins engine and aftertreatment system? Visit our information hub to see how Cummins Tier 4 technology can meet your needs.

Tier 4 Info

Tier 4 Final Power Offerings

Cummins offers Tier 4 Final power across its entire product line, maximizing productivity and minimizing environmental impact. From 49 HP to more than 751 HP, Cummins delivers reliable, ultra-clean energy across a wide range of machines and duty cycles.

Tier 4 Final

Driven By Innovation

Cummins leads the world in diesel innovation. Take a look at the technology that powers industry around the world.

Tier 4 Technology

Deploy Your Tier 4 Final Engines

Our customers enjoy a worldwide network of technicians and support personnel to ensure you operate at peak performance. Stay connected with your Cummins expert.

Find a Cummins Distributor