If you know diesel engines, you're already well acquainted with the name Cummins. The Indiana-based manufacturer has been a major player in the diesel realm for more than a century now and, at present ...

Cummins brings the 2027 X15 into real fleet conditions to show how performance, efficiency and support work in daily ...

COLUMBUS, Indiana—To comply with 2027 emissions regulations, new powertrains must make performance compromises. Despite the added weight and backpressure of a larger aftertreatment system, Cummins' ...

Cummins’ EPA 2027 X15 features a larger two-piece SCR system to meet lower NOx limits while keeping overall system weight neutral. The engine is rated up to 605 horsepower and 2,050 pound-feet of ...

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.