Toro Groundsmaster 4300-D Operator's Manual page 46

Figure 56
Important:
Be sure to keep the engine-oil level
between the upper and lower limits on the oil
gauge. Engine failure may occur as a result of
over filling or under filling the engine oil.
Crankcase Oil Capacity
Approximately 5.2 L (5.5 US qt) with the filter.
Changing the Engine Oil and Filter
Service Interval: Every 250 hours
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Important:
Do not over-tighten the filter.
Add oil to the crankcase; refer to
Engine-Oil Level (page
46
Figure 57
Checking the
45).
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