Legacy - Transmission Fluid Drain Intervals

This section outlines DT12 Classic Transmission fluid intervals, for MY 2016 and Older.

Legacy - DT12 Classic – MY 2016 and Older Transmission Fluid Drain Intervals

Long Haul**

Short Haul**

Severe**

Transmission Type A, B Box
Weight

Less than 80K lbs.

Greater than 80K lbs.

N/A

Drain Intervals with Air to Oil Cooler***

400,000 miles

(3 years)

300,000 miles

(2 years)

N/A

Drain Intervals with other cooler configurations***

300,000 miles

(3 years)

200,000 miles

(2 years)

N/A

**Please see section “Application Bins and Descriptions” for application descriptions.

***Whichever comes first.

    Note:
    Document Number:0000050556