30
items on one side may overload a tire. The best way
to know the actual weight of the vehicle is to weigh
it at a public scale. Talk to your dealer to discuss the
weighing methods needed to capture the various
weights related to the trailer. This would include the
weight empty or unloaded, weights per axle, wheel,
hitch or king-pin, and total weight.
Excessive loads and/or under inflation cause tire
overloading and, as a result, abnormal tire flexing
occurs. This situation can generate an excessive
amount of heat within the tire. Excessive heat may
lead to tire failure. It is the air pressure that enables a
tire to support the load, so proper inflation is critical.
The proper air pressure may be found on the Certi-
fication / VIN label and/or on the Tire Placard. This
value should never exceed the maximum cold infla-
tion pressure stamped on the tire.
Trailers 10,000 Pounds GVWR or Less
1. Locate the statement, “The weight of cargo
should never exceed XXX kg or XXX lbs.,” on
your vehicle’s placard.
2. This figure equals the available amount of cargo
and luggage load capacity.
3. Determine the combined weight of luggage and
cargo being loaded on the vehicle. That weight
may not safely exceed the available cargo and
luggage load capacity.
The trailer’s placard refers to the Tire Information
Placard attached adjacent to or near the trailer’s VIN
(Certification) label at the left front of the trailer.
STEPS FOR DETERMINING CORRECT LOAD
LIMITS OF THE TOW VEHICLE
1. Locate the statement, “The combined weight of
occupants and cargo should never exceed XXX
lbs.,” on your vehicle’s placard.
2. Determine the combined weight of the driver and
passengers who will be riding in your vehicle.
3. Subtract the combined weight of the driver and
passengers from XXX kilograms or XXX pounds.
4. The resulting figure equals the available amount
of cargo and luggage capacity. For example, if
the “XXX” amount equals 1400 lbs. and there will
be five 150 lb. passengers in your vehicle, the
amount of available cargo and luggage capacity
is 650 lbs. (1400- 750 (5 x 150) = 650 lbs.).
5. Determine the combined weight of luggage and
cargo being loaded on the vehicle. That weight
may not safely exceed the available cargo and
luggage capacity calculated in Step # 4.
6. If your vehicle will be towing a trailer, load from
your trailer will be transferred to your vehicle.
Consult the tow vehicle’s manual to determine
how this weight transfer reduces the available
cargo and luggage capacity of your vehicle.
TIRE SAFETY - EVERYTHING RIDES ON IT
The National Traffic Safety Administration (NHTSA)
has published a brochure (DOT HS 809 361) that dis-
cusses all aspects of Tire Safety, as required by CFR
575.6. This brochure is reproduced in part below. It
can be obtained and downloaded from NHTSA, free
of charge, from the following web site:
http://www.nhtsa.dot.gov/staticfiles/DOT/NHTSA/
Vehicle%20Safety/Articles/Associated%20Files/bro-
chure.pdf
Studies of tire safety show that maintaining proper tire
pressure, observing tire and vehicle load limits (not
carrying more weight in your vehicle than your tires
or vehicle can safely handle), avoiding road hazards,
and inspecting tires for cuts, slashes, and other ir-
regularities are the most important things you can
do to avoid tire failure, such as tread separation or
blowout and flat tires. These actions, along with other
care and maintenance activities, can also:
• Improve vehicle handling
• Help protect you and others from avoidable
breakdowns and accidents
• Improve fuel economy
• Increase the life of your tires
Summary of Contents for 1130
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