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

Getting It Done

Boost your payload capacity, uptime and your bottom line. The DD13® is a perfect fit for less-than-truckload (LTL), local delivery and distribution, regional haul and vocational applications. Engineered to deliver improved fuel efficiency and longer maintenance intervals the DD13 delivers the same impressive performance you've come to expect from Detroit.

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Detroit DD13 Gen 5 Engine

The Best Just Got Better

The DD13® Gen 5 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. The DD13 Gen 5 has been significantly redesigned to offer new ratings, an all-new aftertreatment system, and numerous innovations to further increase performance, durability and efficiency.

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Detroit DD15 Engine

Smart Power

The new Detroit DD15® engine delivers more while powering a new era in driving. You don't get to be one of the most popular and efficient heavy-duty engines out there without a lot of hard work. Our engineers continue to refine the DD15, helping to maintain its segment-leading fuel efficiency, reliability and performance.

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Detroit DD15 Gen 5 Engine

The Next Generation In Efficiency

The new DD15® Gen 5 engine is the latest innovation of the most popular Class 8 engine in North America. The latest DD15 has been significantly redesigned to offer new ratings, a new aftertreatment system and cutting-edge technology that offers a fuel efficiency increase of up to three percent. It’s just our way of driving the next generation of industry-leading efficiency and performance.

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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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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