The Detroit™ DD15® Engine: More Power, Less Weight

Continually refining and improving the Detroit DD15 to achieve a new level of performance and efficiency, our engineers are focused on maintaining its segment leading fuel efficiency, reliability and performance. This includes our proprietary asymmetric turbocharger with reduced weight and complexity—to deliver superior performance over other turbo designs. The new Detroit DD15 engine delivers more innovation while powering a new era in driving.

Testimonials

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Find out why Load One Trucking relies on Freightliner Cascadia trucks with Detroit DD15 engines to help make their business successful.

Load One Trucking

Specs

Configuration

Inline 6 Cylinder

Displacement

906 cu. in. (14.8 L)

Compression Ratio

18.4:1

Horsepower

400-505

Torque

1550-1750

Weight

2880 lb. (1306 kg)

Service Fill (Oil & Filter Change)

47 qt (45.7 L)

Horsepower & Torque Curve

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DD15: Model Options

An excellent choice for on-highway and over the road line-haul applications. The DD15 offers cutting-edge technology and enhancements for an unprecedented level of fuel efficiency and performance. To learn more about DD15-compatible Freightliner trucks, click on the following:

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New Cascadia®

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Cascadia® Evolution

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Cascadia

Freightliner 122SD Thumb V1

122SD

Demand Detroit

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