Toro Groundsmaster 4000 Operator's Manual page 50

Check the engine-oil level; refer to
Note:
When using different oil, drain all old oil from
the crankcase before adding new oil.
Crankcase Oil Capacity
Approximately 5.7 L (6 US qt) with the filter.
Changing the Engine Oil and Filter
Service Interval: After the first 50 hours
Every 250 hours
1. Start the engine and let it run 5 minutes to allow
the oil to warm up.
2. With the machine parked on a level surface,
shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Replace the engine oil and filter
Figure 52.
Figure 52
(Figure
g033183
4. Add oil to the crankcase.
53).
50
Figure 53
g033165