Changing The Differential Gear Oil - Cub Cadet Challenger 500 Operator's Manual

8-20 Periodic Maintenance and Adjustment
1. Differential gear oil filler bolt
2. Correct oil level
3. Install the differential gear oil filler bolt,
and then tighten it to the specified torque.
Tightening torque:
Differential gear oil filler bolt:
17 ft·lbf (23Nm, 2.3 m·kgf)
3. Differential gear oil

Changing the differential gear oil

1. Place the vehicle on a level surface.
2. Place a container under the differential
gear case to collect the used oil.
3. Remove the differential gear oil filler bolt
and differential gear oil drain bolt to drain
the oil.
1. Differential gear oil drain bolt
4. Install the differential gear oil drain bolt,
and tighten it to the specified torque.