Detroit Engines

Detroit Engines Mean Powerful Business

Detroit® engines perform at their peak for miles and miles, with best-in-class fuel economy and low-cost maintenance and service. Every step of our design, testing and manufacturing process builds quality into every engine that bears the Detroit name.

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Detroit DD5

The Next Generation of Mid-Range

To build the DD5, we leveraged the success of our heavy-duty engines and the knowledge of what it takes to be the industry’s engine of choice.

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Detroit DD8

Success Runs in the Family

The DD8™ is the latest addition to our legendary line-up of Detroit Engines. For years we’ve had the privilege of providing our customers with the latest and most innovative engines in the industry. We know what it takes to meet the demanding requirements of your business. That’s why we developed this new engine. It has the versatility and power that you require along with the durability and reliability you’ve come to expect from Detroit. The DD8 is the right choice when it comes to moving your business forward.

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Detroit DD13 Engine

Technology ahead of its time

The DD13® engine offers the best of the best in cutting-edge diesel engine technology and engineering, resulting in the most reliable diesel engine for your truck. Complete with a swirl piston design for better combustion and state-of-the-art turbo for rapid torque performance, the DD13 takes efficiency and performance to the next level.

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Detroit DD15 Engine

Six cylinders of industry-leading power

Continuing the legacy of efficiency, durability and performance, the DD15® is powerfully built with impressive ratings, increased downspeeding for better fuel economy and versatility in a wide range of applications.

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Detroit DD16 Engine

Pure Brawn

The Detroit DD16® drives like it means heavy-duty business. With up to 600 horsepower and 2050 lb-ft of torque, the DD16 helps muscle your way up forest roads, while moving the heaviest of loads. Built for extreme hauling, the DD16 can handle the most difficult challenges you can throw at it.

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Legacy Engines

Durable Design & Reliability

Over the years Detroit has established its reputation as a manufacturer of some of the most reliable and innovative diesel engines for a variety of applications. We continue to leverage our heritage of innovation into our latest products.  Besides our industry leading diesel engines we now offer a wide variety of products and components.

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Connect Today

Learn more by visiting your nearest Freightliner or Western Star dealership.

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Detroit Connect Portal

The Detroit™ Connect portal is easy-to-use, one-stop-shop for all vehicle performance data gathered, transmitted and analyzed by Detroit Connect.  The portal gives you access to insights delivered by  Detroit Connect Virtual Technician℠. The Detroit Connect portal will also give you access to new features, such as Remote Updates, and Analytics, available late 2017.

Detroit connect portal login


All DDCSN content has been migrated to our DTNAConnect web portal. All information previously on the DDCSN is now on DTNAConnect. We have created a quick reference guide to help you locate the migrated content on DTNAConnect. Existing DDCSN login credentials will also work with DTNAConnect. Please work with your security administrators for login or content issues. If you do encounter any technical issues, please contact the Software Support Center at 855-639-8680 or


DTNA Connect Portal

DTNA Connect is the starting point for working with all brands and franchises that fall under the Daimler Truck North America umbrella: Detroit, Thomas Built Buses, SelecTrucks, Sterling, Freightliner, and Western Star. Here, you can access the full spectrum of online applications, resources and tools you need. Whether you use DTNA online resources to complete repairs, purchase parts, submit warranty claims, spec new vehicles or track the status of your truck orders, DTNAConnect streamlines the tasks and activities that are part of your daily work routine.

DTNA Connect Portal Login