Detroit Diesel DD15The heavy-duty Detroit Diesel DD15 means pulling power and affordable fuel-economy. A revolutionary diesel engine design that delivers exactly what you would expect from a Detroit: bulletproof reliability and easy maintenance.
The bottom line: All your performance demands are always being met: power, fuel economy and emissions.
Demand PowerThe innovative design of the DD15 engine offers peak torque response, and the turbo compounding system that delivers up to 50 "bonus" horsepower so you burn less fuel and get more power, and even fully loaded, you feel yourself launching up the on-ramps.
Demand Fuel EconomyCompared to the 2007 model, which has legendary fuel economy, the DD15 2010 model runs up to 5% more miles per gallon. Cut Fuel Costs. Cut Fuel Costs.
Demand BlueTec® Emissions TechnologyLike all 2010 Detroit Diesel engines, the DD15 comes with BlueTec SCR and our exclusive 1-Box Configuration. Our proven EPA 2010 technology provides you with up to 5 percent better fuel economy, and meets emission standards at the tailpipe.
Demand SupportThe revolutionary DD15 can't be described, only driven. It'll push you back into your seat. So get into your local Freightliner or Western Star dealer and re-discover the fun of driving.