Cummins’ 2027 X15 brings a new engine design and updated emissions system to meet stricter NOx rules while maintaining performance.

X15 diesels showed quick throttle response and strong acceleration on the TRC's tracks. Engine brakes were impressively strong, even at low rpm's. A parade of X15-powered tractor-trailers led the ...

Cummins 2027 X15 engine debuts at TMC with up to 605 HP, 2,050 lb-ft of torque, and an updated aftertreatment system.

There are many options to boost the horsepower of a 6.7L Cummins engine. Here's how an upgraded intercooler from Banks can ...

Freightliner and Western Star models will offer a broader mix of gasoline, diesel and natural gas engines designed to meet EPA 2027 emissions standards.

COLUMBUS, Ind. — Cummins Inc. (NYSE: CMI) announced today it will launch its most efficient heavy-duty diesel engine ever. As the next product in the Cummins HELM™ 15-liter fuel agnostic platform, the ...

Trucking keeps the world moving by delivering goods every day of the year. Drivers spend long hours on the road to make sure ...

Paccar Inc. announced it will offer the new Cummins Inc. X15N natural gas engine in its Kenworth and Peterbilt truck brands. The X15N is the first natural gas engine to be specifically designed for ...

Gas versus diesel is a debate over which billions have been spent to see which is better. Famously, Soviet tanks in World War II were powered by diesel, while the Germans used gas engines. Closer to ...