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Driving and Operating 9-51
If the vehicle has many options and
there is a front seat passenger and
two rear seat passengers with some
luggage and gear in the vehicle as
well. 136 kg (300 lbs) could be
added to the front axle weight and
181 kg (400 lbs) to the rear axle
weight. The vehicle now weighs:
Weight is still below 3 266 kg
(7,200 lbs) and you might think
318 additional kilograms (700 lbs)
should be subtracted from the
trailering capacity to stay within
GCWR limits. The maximum trailer
would only be 3 538 kg (7,800 lbs).
You may go further and think the
tongue weight should be limited to
less than 454 kg (1,000 lbs) to avoid
exceeding GVWR. But the effect
on the rear axle must still be
considered. Because the rear axle
now weighs 1 406 kg (3,100 lbs),
408 kg (900 lbs) can be put on the
rear axle without exceeding
RGAWR. The effect of tongue
weight is about 1.5 times the actual
weight. Dividing the 408 kg (900 lbs)
by 1.5 leaves only 272 kg (600 lbs)
of tongue weight that can be
handled. Since tongue weight is
usually at least 10 percent of total
loaded trailer weight, expect that
the largest trailer the vehicle can
properly handle is 2 722 kg
(6,000 lbs).
It is important that the vehicle
does not exceed any of its
ratings — GCWR, GVWR, RGAWR,
Maximum Trailer Rating or Tongue
Weight. The only way to be sure it is
not exceeding any of these ratings
is to weigh the vehicle and trailer.
Total Weight on the Vehicle's
Tires
Inflate the vehicle's tires to the
upper limit for cold tires. These
numbers can be found on the
Certification label or see Vehicle
Load Limits
on page 9‑10
for more
information. Do not go over the
GVW limit for the vehicle, or the
GAWR, including the weight of the
trailer tongue. If using a weight
distributing hitch, do not go over the
rear axle limit before applying the
weight distribution spring bars.