Demand a Superior Powertrain. Demand Detroit.

Detroit offers a complete line of heavy-duty diesel engines, axles, transmissions, safety systems and connected vehicle services for the commercial transportation industry in both the on-highway and vocational markets.

Discover the Detroit Advantage


Design your Freightliner with superior powertrain components from Detroit.

Cascadia Configurator M2 106 Configurator


Learn how to optimize your Cascadia's performance with Driver Training. Simply enter your VIN and you will have access to a wide variety of reference videos and support materials specific to the components of your vehicle.

View Driver Training Materials


Introducing the new Detroit™ DD8™ engine is the latest Detroit offering to serve the mid-range market, providing vocational drivers with best-in-class maintenance intervals that keep your business running smoothly.

Discover the dd8

DT12™ Intelligent Powertrain Management (IPM) Training Videos

Detroit has just created a series of DT12 automated manual transmission training videos, focusing on Intelligent Powertrain Management (IPM) for Freightliner. The brand new video series trains drivers on what to expect with IPM, including how Predictive Acceleration, Crest Coast, and Dip Coast mode function.

View IPM Training Videos

Detroit Assurance 4.0 Videos

Through use of radar and an optional camera system, The Detroit™ Assurance® 4.0 Suite of Safety Systems provides optimum on-road safety, integrating seamlessly into any Freightliner Cascadia® model equipped with a Detroit® powertrain.

View Detroit Assurance 4.0 Videos

Detroit Assurance 5.0 Videos

Through use of radar and camera fused technology, the Detroit Assurance® 5.0 suite of safety systems provides optimum on-road safety, integrating seamlessly into any Freightliner Cascadia® model equipped with a Detroit® powertrain. The system tracks up to 40 objects at once and identifies the top six by level of threat while refreshing 200 times per second. 


Detroit Road Champions

Drivers share their stories about driving their Detroit™ products. From engines and transmissions to maintenance tips, drivers share the experiences they’ve had along the way. If you have driven over a million miles, become a member of our Million Mile Club. Click below to share your story!

Learn About Road Champions

Detroit Assurance Augmented Reality Experience

See the Detroit Assurance Suite of Safety Systems in augmented reality. 

Experience Safety 4.0

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 Trucks 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