Demand It All. Demand Detroit®.

World-Class Components, Safety Systems and Telematics Products

Offering a complete powertrain solution, connecting components, trucks and drivers with safety systems and connectivity for greater efficiency, uptime and performance—no one does it better than Detroit®.


State-of-the-Art Manufacturing

Our state-of-the-art manufacturing facility incorporates over three million square feet of engineering, assembly and testing for our world-class engines, transmissions and axles—all under one roof.

With a will and determination to be the very best, we’ve invested in our people, our plant and our equipment to become the premier manufacturer of powertrain components. At Detroit®, we’re driven to constantly create the most efficient company possible—one built on a foundation of teamwork, accountability, technical innovation and comprehensive support. That’s what it takes to lead an industry.

Since 2000, Detroit Diesel Corporation has been a part of Daimler Truck North America, joining Freightliner Trucks, Western Star Trucks, Thomas Built Buses and Freightliner Custom Chassis Corporation. In 2011, we branded our name from Detroit Diesel to Detroit®, signaling the start of the company's expansion into new product categories, including transmissions, axles, connectivity, and safety solutions.

As a part of Daimler, Detroit® has access to the global resources and expertise of the world’s foremost transportation company. It’s a relationship that benefits our customers every day.

Fuel Economy

With our lineup of compliant engines, Detroit® is ensuring its place in the industry as the undisputed leader in fuel economy.

More About Fuel Economy

Detroit® engineers are using our SCR emissions technology to reduce emissions and improve fuel economy.

More About Emissions

Our reputation for cutting-edge industry platforms and innovative products is well-established and widely recognized.

More about Innovation

Our Detroit® manufacturing facility is the epicenter of advanced quality, technology and innovation.

More About Quality

Our components are designed to be rugged, reliable and dependable with best-in-class fuel economy.

More about Products
Detroit Plant

The Detroit Manufacturing Plant is a vast powerhouse that pumps out 400 engines, 250 transmissions and 1,300 axles every single day.

More about the Plant

Demand Detroit Blog

The source for product news, plant information, industry topics and just about anything going on within the Detroit® brand!

View Our Blog

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