Toro 38564 CCR 6053 Operator's Manual page 14

Max fill: 0.6 L (20 oz.), type: automotive detergent oil
with an API service classification of SJ, SL, or higher.
Use Figure 30 below to select the best oil viscosity for
the outdoor temperature range expected:
Figure 30
Figure 31
9. Screw the oil fill cap into the oil fill hole, and hand
tighten it securely.
10. Wipe up any spilled oil.
11. Dispose of the used oil properly at a local recycling
center.
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