Ditch Witch RT55 - Manual (Page 137)

Service - 136
RT55 T4i Operator’s Manual
250 Hour
Lube Planetary Wheel Ends
Check oil level in planetary wheel ends every 250 hours. Add MPL as needed.
Change Differential Oil (Initial)
Change differential oil after first 250 hours of operation and every 1000 hours thereafter.
To change:
1. Remove drain plug (2).
2. Drain fluid and replace plug.
3. Fill with MPL at fill (1). Capacity is 4.2 qt (4 L).