Holset® Turbochargers and Air Handling

Cummins is the only manufacturer focused solely on medium- to heavy-duty diesel engine turbo technologies. For more than 60 years, we have delivered innovative, reliable turbocharger solutions for our customers. Our vision for turbocharger solutions, thanks to our rich company heritage derived from our Holset® brand, sets us apart as a technology leader.

Commercial diesel engines require advanced technologies that deliver efficiency and meet strict emissions requirements. Our fixed, wastegate, variable, two-stage, turbo-compounding and waste heat expander technologies were specifically developed to deliver higher efficiency and lower cost.

Today, Cummins Turbo Technologies engineers are actively developing state of the art solutions for the next generation, including assisted turbocharging, new bearing systems and enhanced compressor stage performance.

Sustainable innovation for the future

Still image of turbocharger from video

Meet the new 7th generation series 400 variable geometry turbocharger

Launched in 2021, the 400 series VGT offers 5% higher turbocharger efficiency compared to its predecessor. The leapfrog innovation is the combined effect of a multi-clearance shroud design and new wheel options to provide higher turbine efficiency. The latest HE 400 VGT will help engine manufacturers meet upcoming emission standards and offer best in class fuel economy.

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Click on the 'blue' spots on this interactive and find out more about turbochargers and their roles in different applications

Click on Dive Deeper to explore the article in detail. 

 

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Fuel Agnostic Engines: Their role in decarbonization

Every day in the US, five million metric tons of CO2 are emitted by the transportation sector. Medium and heavy-duty trucks collectively had the largest increase in GHG emissions. One technology aiming to decarbonize the earth is fuel agnostic engine platforms. Learn more about how fuel-agnostic engine platforms can reduce or eliminate carbon emissions.

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Turbocharger features

labelled turbocharger

Current features

  1. Turbine wheel
  2. Turbine housing
  3. Exhaust gas inlet
  4. Exhaust gas outlet
  5. Compressor wheel
  6. Compressor housing
  7. Bearing system
  8. Compressed air outlet

Learn more

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