Still, Kenworth does not stop there. For uses needing more power, torque, or flexibility, it also provides Cummins engines — most famously the X15. Both engines are incredible in their own right, but ...

The highest torque diesel engines ever made have turned up in everything from small commercial vehicles to powerful ...

As part of the Cummins HELM™ Platforms—Higher Efficiency, Lower Emissions, and Multiple Fuels—Cummins Inc. has introduced the 2027 X15, designed to help fleets achieve their decarbonization goals ...

As part of the Cummins HELM™ Platforms-Higher Efficiency, Lower Emissions, and Multiple Fuels-Cummins Inc. has introduced the 2027 X15, designed to help fleets achieve their decarbonization ...

Following a recall by Cummins of more than 9,000 X15 diesel engines, Paccar is recalling more than 5,600 Kenworth and Peterbilt trucks with the affected engines, according to National Highway ...

When it comes to diesel engines, Cummins is one of the most recognizable names. But are semi trucks still using them? Here's everything you need to know.

Cummins, Inc. is recalling more than 9,000 X15 diesel engines with certain fuel pump barrels that can fracture and cause a fuel leak, according to National Highway Traffic Safety Administration ...

Cummins and PACCAR both make diesel engines found under the hoods of Peterbilt and Kenworth trucks hauling heavy loads across the U.S. How do they compare?

Cummins’ new X15 diesel engine is ready to take on EPA’s crazy-stringent 2027 emissions regulations. The company says the engine not only meets the emissions requirements, it’s also lighter and more ...

How is the newest version of the Cummins X15 diesel engine meeting EPA's 2027 Phase 3 greenhouse gas emissions regulations?

Cummins is rolling out new "fuel agnostic" 15-liter engines, capable of running on diesel, natural gas or hydrogen. The company's "Destination Zero" strategy aims to reach net-zero emissions by 2050.