Toyota 2008 FJ Cruiser Owner's Manual page 197

Trailer tongue load
n
The trailer cargo load should be distributed so that the tongue
load is 9 to 11% of the total trailer weight, not exceeding the
maximum 500 lb. (227 kg) (Tongue load / Total trailer weight ×
100 = 9 to 11%)
The total trailer weight and tongue load can be measured with
platform scales found at a highway weighing station, building
supply company, trucking company, junk yard, etc.
Towing a trailer
Consult your Toyota dealer for further information about additional
requirements such as a towing kits, etc.
Hitch and tow hitch receiver
Hitch
n
Trailer hitch assemblies have different weight capacities estab-
lished by the hitch manufacturer. Even though the vehicle may be
rated for towing a higher weight, the operator must never exceed
the maximum weight rating specified for the trailer hitch.
2-5. Driving information
Total trailer weight
Tongue load
2
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