Weight Of The Trailer Tongue - Chevrolet 2009 Suburban Owner's Manual

Weight of the Trailer Tongue

The tongue load (A) of any trailer is an important weight
to measure because it affects the total gross weight of the
vehicle. The Gross Vehicle Weight (GVW) includes the
curb weight of the vehicle, any cargo carried in it, and the
people who will be riding in the vehicle. If there are a lot of
options, equipment, passengers or cargo in the vehicle, it
will reduce the tongue weight the vehicle can carry, which
will also reduce the trailer weight the vehicle can tow.
If towing a trailer, the tongue load must be added to the
GVW because the vehicle will be carrying that weight,
too. See for more information about the vehicle's
maximum load capacity.
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The trailer tongue weight (A) should be 10 percent to
15 percent of the total loaded trailer weight (B), up to a
maximum of 600 lbs (272 kg) with a weight carrying
hitch or up to a maximum of 1,000 lbs (453 kg) with a
weight distributing hitch. For more information, see
Weight-Distributing Hitches and Weight Carrying
Hitches later in this section.