Curious who makes Peterbilt trucks and what engines they use? Here's a look at the brand's ownership and the powerplants ...

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 14.9-liter Cummins X15 diesel engine powers a range of semi-trucks from manufacturers such as Kenworth, Peterbilt, Volvo, and International.

Cummins 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 ...

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 ...

Cummins' X15 engine recall 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 ...

On a recent episode of Truck Tech, Alan Adler was joined by Shawn Hricko, Jamestown Engine Plant manager for Cummins, and Puneet Jhawar, former general manager of alternate fuels at Cummins, to ...

Cummins provides a couple of other 14.9-liter X15 series diesel engines in addition to the X15 Productivity Series listed above. The Cummins X15 Efficiency Series makes up to 500 horsepower and ...

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 ...

Cummins gave journalists a look at the 2027 X15 during a visit to the company’s corporate headquarters in Columbus, Indiana, in August. The 2027 Cummins X15: A Billion-Dollar Engine ...

Cummins' latest X15 comes with improvements to its engine block, pistons, fuel pump, oil filter, and aftertreatment system.