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 ...

While the spotlight shines brightly on the brute strength of heavy-duty pickup trucks like the powerful Ford F-350 Powerstroke and the legendary pulling power of the Cummins-equipped Ram 3500, there ...

Detroit Diesel has been in the engine-building game for over 85 years, and in that time they have established themselves as one of the most reputable diesel engine manufacturers in the country.

This 2011 Cascadia with EPA 2010 DD15 engine, above, is a customer demo unit already in revenue service. We drove it first. We liked it a lot.

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 ...