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Driving and Operating 8-57
Since the rear axle already weighs
1 225 kg (2,700 lbs), adding 578 kg
(1,275 lbs) brings the total to
1 803 kg (3,975 lbs). This is very
close to, but within the limit for
RGAWR as well. The vehicle is set
to trailer up to 3 856 kg (8,500 lbs).
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 3266 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
Be sure the vehicle's tires are
inflated to the upper limit for cold
tires. These numbers can be found
on the Certification label or see
Vehicle Load Limits
on page 8‑11
for more information. Make sure not
to go over the GVW limit for the
vehicle, or the GAWR, including the
weight of the trailer tongue. If using
a weight distributing hitch, make
sure not to go over the rear axle
limit before applying the weight
distribution spring bars.