Powering thousands of Class 8 trucks with massive amounts of torque, stellar economy and proven reliability, the Detroit DD15 ...

It practically goes without saying — big trucks require powerful engines, and that's exactly what the Detroit DD15 engine promises to deliver. The engine was introduced back in 2007 after a nearly ...

After nearly five years and $1.5 billion in development, the new heavy-duty Detroit Diesel DD15 engine was unveiled today at the Detroit Diesel plant in Redford, Mich. The DD15 displaces 14.8 liters, ...

Detroit Diesel put a different spin on the old idea of double turbocharging by linking the DD15's second, low-pressure turbo to the flywheel. Called turbocompounding, the concept captures extra ...

And North America gets the engine first. Here, it will be badged Detroit Diesel. The launch model, at 14.8 liters, is designated the DD15, with ratings between 455 and 560 horsepower. Ad Loading ...

Built on its long-running Heavy-Duty Engine Platform, Daimler Truck North America’s new Gen 6 diesel engines utilize a novel pre-SCR system to meet the EPA’s strict 2027 NOx limits while delivering a ...

Detroit introduced its Gen 6 DD13, DD15 and DD16 engines for Freightliner and Western Star trucks to meet EPA’s 2027 emissions standards. The engines add a pre-SCR system, redesigned fuel system and ...