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How heavy can a trailer safely be?
It depends on how the rig is used.
Speed, altitude, road grades,
outside temperature, and how much
the vehicle is used to pull a trailer
are all important. It can depend on
any special equipment on the
vehicle, and the amount of tongue
weight the vehicle can carry. See
Weight of the Trailer Tongue later
in this section for more information.
Trailer weight rating (TWR) is
calculated assuming the tow vehicle
has only the driver but all required
trailering equipment. Weight of
additional optional equipment,
passengers, and cargo in the tow
vehicle must be subtracted from
the trailer weight rating.
For kingpin weight and trailer
tongue weight information, see
Weight of the Trailer Tongue later
in this section.
Use the following chart to determine
how much the vehicle can weigh,
based upon the vehicle model
and options.
Weights listed apply for
conventional trailers and fifth-wheel
trailers unless otherwise noted.
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