Honda H5013 Owner's Manual page 59

2. Maximum tongue weight:
20 kg + 9 kg (45 Ibs + 20 Ibs)
m
If the trailer's load is unbalanced so that the tongue weight is
incorrect, the tractor may overturn resulting in severe personal injury or
equipment damage.
NOTE: Tongue weight is the downward force that the trailer exerts on the
trailer hitch.
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