Toro Groundsmaster 5900 Operator's Manual page 72

Crankcase Oil Capacity
10.4 L (11 US qt) with the filter
Changing the Engine Oil and
Engine-Oil Filter
Service Interval: After the first 50 hours—Change
the engine oil and engine-oil filter.
Every 500 hours—Change the engine oil and
engine-oil filter.
Note:
Change the engine oil and filter more frequently
when the operating conditions are extremely dusty
or sandy.
1. Start the engine and let it run 5 minutes to allow
the oil to warm up.
2. Park the machine on a level surface, engage the
parking brake, lower the cutting deck, shut off
the engine, and remove the key.
3. Change the engine oil as shown in Figure 100.
72
Figure 100
g031551
g031336