Detroit Diesel DD15


The 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.

Demand It All

With an eye to the future, Detroit Diesel designed the DD15 from the block up with integrated features like a more powerful Jake Engine Brake®, an Exhaust Gas Recirculation (EGR) system and Detroit Diesel’s BlueTec Emissions Technology.

The bottom line: All your performance demands are always being met: power, fuel economy and emissions.

Demand Power, Fuel Economy and Emissions.

DD15 Stats


Demand Power

The 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 Economy

Compared 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 Technology

Like 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 Support

The 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.