Forward to Tier 4 Final

Cummins Tier 4 Operator AppWelcome to, your home for all things Tier 4 and Stage IIIB/IV.

Need Tier 4/Stage IV information in the palm of your hand? Download the free Cummins Operator App, an educational smartphone application designed to help you understand and get the most out of Cummins Tier 4 and Stage IIIB/IV engines and aftertreatment systems.

Click the appropriate Droid or iPhone link in the table below to download the Cummins Tier 4 Operator App for engines within the 49-751 hp emissions categories.

North America Operator App

EPA Tier 4



European Union Operator App


EU Stage  IIIB & IV



The European App is available for download in English, German, French, Italian, Spanish, Swedish and Polish.

Cummins off-highway products achieve 2014 EPA Tier 4 Final and EU Stage IV emission standards with ultra-clean aftertreatment systems while simultaneously providing increased fuel efficiency across all engine platforms. The engines can be used in a variety of tough applications, from wheel loaders and cranes in construction to large mining haul trucks, excavators, and loaders, providing an ideal power solution across the board.

Here at, you can find out about how Cummins Tier 4 Final/Stage IV solutions meet the new emissions regulations and how to use and maintain your Tier 4 Final equipment, as well as operational information for Cummins Tier 4 Interim/Stage IIIB products. is divided into four main sections:

Tier 4 Final, which provides specific details of the EPA Tier 4 Final and EU Stage IV emissions requirements
Tier 4 Interim, which provides specific details of the EPA Tier 4 Interim and EU Stage IIIB emissions requirements
The Tier 4 Operator App page, which contains directions and links for downloading the app
Cummins Care for Tier 4, which provides instructions for contacting Cummins Care if you need operational or service information or if you have questions about your Tier 4 equipment.


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