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Maintenance Intervals

Detroit DD8

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

Detroit provides a wide range of new vehicle engines compliant with EPA, CARB emissions, GHG, and OBD requirements. Please consult your local dealer to ensure the selection of a product that meets your specific needs.

Severe Duty

Maintenance Items

Miles

Kilometers

Hours

Months

Engine Oil and Filter Change*

45,000 Miles

72,000 Kilometers

1,500 Hours

12 Months

Fuel Filter Change

45,000 Miles

72,000 Kilometers

1,500 Hours

12 Months

Valve Lash Adjustment

90,000 Miles

145,000 Kilometers

3,000 Hours

24 Months

Diesel Particulate Filter

150,000 Miles

A check engine light will illuminate when ash requires removal.

241,000 Kilometers

A check engine light will illuminate when ash requires removal.

5,000 Hours

A check engine light will illuminate when ash requires removal.

DEF Pump Filter

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Short-Haul

Maintenance Items

Miles

Kilometers

Hours

Months

Engine Oil and Filter Change*

55,000 Miles

88,000 Kilometers

1,800 Hours

18 Months

Fuel Filter Change

55,000 Miles

88,000 Kilometers

1,800 Hours

18 Months

Valve Lash Adjustment

110,000 Miles

177,000 Kilometers

3,600 Hours

36 Months

Diesel Particulate Filter

150,000 Miles

A check engine light will illuminate when ash requires removal.

241,000 Kilometers

A check engine light will illuminate when ash requires removal.

5,000 Hours

A check engine light will illuminate when ash requires removal.

DEF Pump Filter

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Long-Haul

Maintenance Items

Miles

Kilometers

Hours

Engine Oil and Filter Change*

60,000 Miles

96,000 Kilometers

2,000 Hours

Fuel Filter Change

60,000 Miles

96,000 Kilometers

2,000 Hours

Valve Lash Adjustment

120,000 Miles

193,000 Kilometers

4,000 Hours

Diesel Particulate Filter

150,000 Miles

A check engine light will illuminate when ash requires removal.

241,000 Kilometers

A check engine light will illuminate when ash requires removal.

5,000 Hours

A check engine light will illuminate when ash requires removal.

DEF Pump Filter

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)

* Maintenance intervals using Detroit® Fluids Specification 93K222 (CK-4) or 93K223 (FA-4) Approved Oils Severe duty averages less than 6.5 miles per gallon (mpg) and operates under severe conditions. Short-haul is up to 60,000 annual miles (96,000 kilometers) and averages between 6.5 and 8.5 mpg. Long-haul is over 60,000 annual miles (96,000 kilometers) and averages greater than 8.5 mpg.

† Miles/Kilometers or time, whichever occurs first

Warranty

Every Detroit® DD5™, DD8™ Engine is covered by the following standard warranty:

  • Engine: 3 years, 250,000 miles, including 100% parts and labor

  • Aftertreatment: 3 years, 250,000 miles, including 100% parts and labor