Service - 172 RT45 Operator’s Manual
1000 Hour
1000 Hour
Tractor
Change Differential Oil
Change differential oil every 1000 hours.
To change:
1. Remove cover and drain oil.
2. Replace cover.
3. Add MPL at fill plug until oil is visible at plug.
• For model 44 differentials, capacity is 5 pt
(2.3 L) for front and 5.5 pt (2.6 L) for rear.
• For model 60 differentials, capacity is 5.9
pt (2.8 L) for front and rear.
Change Ground Drive Gearbox Oil
Change ground drive gearbox oil every 1000
hours.
To change:
1. Remove drain plug (3).
2. Drain oil and replace plug.
3. Add MPL at fill (1) until oil comes out at check
plug (2). Capacity is 2 pt (0.96 L).
Location Task Notes
TRACTOR Change differential oil MPL
Change ground drive gearbox oil MPL
Change hydraulic fluid THF