Service - 128 RT80 Operator’s Manual
1000 Hour
Change Differential Oil,
Front Steering Axle
Change differential oil every 1000 hours.
To change:
1. Remove drain plug (2).
2. Drain fluid and replace plug.
3. Fill with MPL and limited slip additive at fill (1).
Capacity is 3.5 qt (3.3 L).
Change Transmission Gearbox Oil,
Rear Differential Oil
Change transmission gearbox oil and rear
differential oil every 1000 hours.
To change:
1. Remove drain plugs (2).
2. Drain oil and replace plug.
3. Fill gearbox with MPL at fill (1). Capacity:
Rear steering axle (differential and trans): 7.5
qt (7.1 L)
Rigid rear axle (includes wheel ends): 10.6 qt
(10 L)