Detroit DD8

Success Runs in the Family

Along with our tried-and-true DD13®, DD15® and DD16®, the Detroit™ DD8 is built proudly at our legendary production facility in Detroit, MI. The DD8 features the latest in engine technology to go along with the know-how and quality you’ve come to expect from Detroit. From the sturdy design of the ribbed cast iron block to the advanced common rail fuel system the DD8 delivers the reliability and performance you demand. With our industry leading maintenance intervals and our innovative Detroit™ Connect Virtual Technician℠ remote diagnostic service the DD8 was designed to help you maximize uptime.

Brochures and Videos Maintenance Intervals and Warranties

660-1050 lb-ft

Torque Range


Horsepower Range

470 cu in (7.7L)


The new Detroit DD8 delivers when it counts.

Efficiency, Performance & Durability

 With a wide range of power ratings from 260-350 HP and 660-1050 lb.-ft. of torque, the DD8 also features:

  • An optional high-performance integrated engine brake

  • A variable-speed fan and advanced cooling system providing shorter fan-on times for increased fuel efficiency

  • Simple, fixed-geometry, turbocharger for performance, efficiency and reliability

  • A robust and sturdy rear gear train helps minimize noise, vibration and harshness (NVH)

  • Variable cam-phasing technology for efficient aftertreatment system performance

  • PTO Capability – both FEPTO and REPTO ­­– for a variety of vocational work-truck applications

  • 2017 Greenhouse Gas (GHG17) and 2016 OBD (OBD16) compliance

Model Options

M2 106
Western Star

Detroit™ Connect Virtual Technician℠ remote diagnostic system

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.

Keep running

With the longest service intervals in its class and an easily serviceable design, the Detroit DD8 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 some common service operation with our heavy-duty line of engines and the parts with the DD5 ensures that trained technicians are ready to serve you and your DD8 at any of our 800+ authorized Detroit locations across the highways and back roads of North America.


Detroit DD8 Product Sell Sheet Detroit Mid-Range Engines Brochure


DD5 & DD8 Reliability and Testing 3 Reasons to Spec the DD8 Engine DD8 in Construction Applications Detroit DD8 Product Video


Maintenance Intervals


Find a Dealer

Locate a Dealer

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