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 ...
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 ...