The DD15® builds upon the Detroit heavy-duty engine legacy to bring efficiency and performance to the next level. Offering the best of the best in diesel engine technology and engineering, the DD15 provides unmatched reliability for your trucks.
In addition to meeting GHG 2021 standards, the engine touts impressive power ratings, an innovative aftertreatment system and other key features to increase efficiency, durability and performance. Designed with enhanced downspeeding for better fuel economy and a swirl piston design for maximum combustion, the DD15 is up to three percent more fuel efficient than our previous model.
Brochures and Videos Maintenance Intervals and WarrantiesThe DD15 engine has been significantly redesigned with innovative new features, building on the legacy of the most popular Class 8 diesel engine in North America.
More SpecsThe best 6-cylinder diesel engine available in the heavy-duty commercial vehicle market just got even better. The DD15 builds upon proven Detroit® technology to offer industry-leading efficiency, performance and durability. Key design features include:
Designed for a range of on-highway and vocational applications.
If maintenance issues come up while on the road, you can count on Detroit Connect Virtual Technician®. With Virtual Technician, you are notified within minutes when your vehicles experience a fault event, the severity of the fault and when, where and how to best fix the issue causing the fault so you can make informed service decisions.
With the longest service intervals in its class and an easily serviceable design, the Detroit DD15 lowers your cost of ownership by decreasing your time in the shop. With oil and fuel filters positioned above the frame rails, you'll be back in the driver's seat fast.
Sharing common service operations and parts with the DD13 and DD16 ensures that trained technicians are ready to serve you and your DD15 at any of our 800+ authorized Detroit locations across the highways and back roads of North America.
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 loginAll 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 dealer.helpdesk@daimler.com
DTNA CONNECT PORTAL LOGINDTNA 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