Change Propel Gearbox Oil

1. Drain plug (A) must be at 6 o'clock position.

causym CAUTION: High pressure release of fluids from pressurized system can cause serious burns. Wait for propel gearbox to cool. Keep body and face away from fill plug. Gradually loosen fill plug to release air pressure.

2. After propel gearbox has cooled, gradually loosen fill plug to release air pressure.

3. Remove drain and fill plug. Allow oil to drain into a container. Dispose of waste oil properly. Approximate oil capacity of each propel gearbox is:

  • Standard: 2.5 L (2.6 qt)
  • Heavy Duty, Long, Wide: 5.0 L (5.3 qt)

4. Install drain plug.


A-Drain Plug

T7531AW

Drain Position

TX,86,DH3364 -19-14JUL00-1/2

5. Rotate propel gearbox until bottom of check plug (B) rests on horizontal centerline of gearbox.

6. Add oil through fill hole (A) until oil reaches bottom of check hole. (See Fuels and Lubricants chapter.)

7. Install fill and check plugs.

8. Repeat procedure for second propel gearbox.

9. After 15 minutes of propelling machine, check oil level again.


A-Fill Hole
B-Check Plug

T7531AY

Fill Position

TX,86,DH3364 -19-14JUL00-2/2