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.

DTNA 2027 engines lineup expands with Cummins B6.7 Octane, new X10 platform, and Detroit Gen 6 diesel engines.

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 has been planning to debut a diesel-powered version of the engine in its X15 fuel agnostic platform in early 2026, yet with changes to environmental regulations this year, the company is ...