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DD15® Engine

When you buy a Detroit™ product, you’re buying billions of miles of engineering excellence.

Maintenance Intervals

Maintenance Item Mi/km/Hr** Severe Duty Short-Haul Long-Haul
Engine Oil & Filter Change* Miles 25,000 35,000 50,000
Kilometers 40,000 55,000 80,000
Hours 640 895 1,280
Fuel Filter Change* Miles 25,000 35,000 50,000
Kilometers 40,000 55,000 80,000
Hours 640 895 1,280
Valve Lash Adjustment* Miles Adjust at 100,000, at 500,000 and then every 500,000 thereafter.
Kilometers Adjust at 160,000, at 800,000 and then every 800,000 thereafter.
Diesel Particulate Filter Change* A check engine light will illuminate when ash requires removal
Miles 390,000 400,000 to 500,000 500,000 to 550,000
Kilometers 627,000 640,000 to 800,000 800,000 to 880,000
Hours 10,000 10,250 to 11,000 11,000 to 11,500
DEF Pump Filter Change* Replace filter every 3 years of 500,000 (800,000 km) miles, whichever comes first.

* Recommended based on using Detroit’s lube oil and oil analysis program. Severe duty is up to 30,000 annual miles and a vehicle that averages less than 5 miles per gallon (mpg). Short-haul is between 30,000 and 60,000 annual miles and a vehicle that averages between 5.1 and 5.9 mpg. Long-haul is over 60,000 annual miles and a vehicle that averages greater than 6 mpg.

** Miles / Hours, whichever occurs first.

Warranty

Every Detroit DD13®, DD15®, DD15® TC, DD16® Engine is covered by the following standard warranty:

  • Engine: 2 years, unlimited miles, including 100% parts and labor
  • Injectors: 2 years, 200,000 miles, including 100% parts and labor
  • Major Components: 5 years, 500,000 miles, including 100% parts and 100% of service outlet's normal charge