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.
Fixed Geometry Turbochargers
Variable Geometry Turbochargers
Wastegate Turbochargers
Sustainable innovation for the future
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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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.
Turbocharger features
Current features
- Turbine wheel
- Turbine housing
- Exhaust gas inlet
- Exhaust gas outlet
- Compressor wheel
- Compressor housing
- Bearing system
- Compressed air outlet
Power electronics convert and control electric power in vehicles, ensuring optimal performance and efficiency. By managing power use, they enable longer distances, reduce energy waste and support sustainable transportation. In Part 1, we explored the role of power electronics in battery electric vehicles (BEVs). This article focuses on their role in fuel cell electric vehicles (FCEVs), highligh
December 19, 2024
Axles play a crucial role in powering commercial vehicles, especially in heavy-duty applications where performance, reliability, and efficiency are vital. At Cummins Inc., we’re dedicated to delivering advanced components that enhance vehicle efficiency, improve performance, and reduce environmental impact. Our innovation in drivetrain and axle technology is centered around improving drivetrain ef
December 16, 2024
As alternative fuels and vehicle technologies gain traction, the role of components within these technologies is evolving. In battery electric vehicles (BEVs), power electronic components are critical to vehicle functionality and efficiency. Understanding their impact and potential is essential for businesses adopting BEVs or navigating the future of sustainable transportation. Previously, we d
December 17, 2024
Four-stroke Hydrogen combustion engines (H2ICE) operate on the same principles as traditional engines but are more powerful and efficient. They share components like engine blocks, cranks, and ignition systems with natural gas engines and seamlessly fit into existing designs. This article delves into the role of turbochargers in enhancing the performance and viability of hydrogen engines, showcasi
December 09, 2024
Innovation in commercial mobility is driving sustainable transportation. As technologies like battery electric vehicles (BEVs) and fuel cell electric vehicles (FCEVs) advance, the demand for optimized components that balance efficiency, power, cost, and durability grows. Cummins Inc. along with Accelera™ by Cummins – the zero-emissions business segment of Cummins - are at the forefront of suppl
December 04, 2024
Cummins Inc.’s engagement with the Australian Border Force (ABF) to identify and stop shipments of counterfeit parts entering the country is now in full swing, with training workshops recently held for ABF personnel in Perth, Darwin, Sydney and Brisbane. Cummins is now a Notice of Objection holder registered with the Australian Border Force, a legal document that allows ABF to seize imported go
December 03, 2024
Making the right decision when selecting an axle for your commercial vehicle can prevent expensive repairs, wear and tear, and unnecessary vehicle downtime. Whether you are a prospective customer, an end user, or a sales consultant, asking the right questions and knowing the terminology will ensure the longevity and best performance of your vehicle. This article will cover some factors to consider
November 14, 2024
Cummins Inc. is proud to announce the launch of the 2024 Shoes for Soldiers program. This initiative continues a long-standing commitment, formerly under Meritor, Inc., to support military veterans through the Wyakin Foundation, an organization dedicated to providing professional development and resources to wounded veterans. Through December 31st, 2024, Cummins' Drivetrain and Braking Systems
November 12, 2024
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Turbochargers
Cummins Turbo Technologies' Holset® Turbochargers excel in technical performance, providing fuel economy for light, medium, and heavy-duty applications.
Power Turbines
Cummins Turbo Technologies' Holset® power turbines improve fuel efficiency on heavy-duty engines in a wide variety of applications.
Two-Stage Systems
Serial and modulated two-stage systems enable higher engine horsepower density for engine downsizing and increased power levels.
