Toro TimeCutter Z4220 Operator's Manual page 6

Use only Toro approved attachments., Warranty may
be voided if used with unapproved attachments,
If loading the machine onto a trailer or truck, use a
single, flail-width ramp only, The ramp angle should
not exceed 15 degrees
Note:
Determine the left and right sides of the
machine from the normal operating position,