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 ...

Call it pre-need planning. When Detroit Diesel rolled out its DD15 engine in October 2007, the company said it was a clean-sheet design, birthed EPA-'07-compliant and 100 percent ready for EPA-2010 .

REDFORD, Mich. — Detroit Diesel has unveiled its new heavy-duty engine, the DD15, which the company says will offer improved performance and fuel mileage along with a quieter ride. The new 14.8-litre ...

After nearly five years and $1.5 billion in development, the new heavy-duty Detroit Diesel DD15 engine was unveiled Oct. 19 at the company’s plant in Redford, Mich. The six-cylinder, inline DD15 ...