Tires can lose air over a period of time. In fact, tires can lose 1 to 3 PSI per month. This is
because molecules of air, under pressure, weave their way from the inside of the tire, through
the rubber, to the outside. A drop in tire pressure could cause the tire to become overloaded,
time, the tire could suffer internal damage.
driving, the tire’s internal structure starts to breakdown, compromising the strength of the tire. It
is recommended to drive at moderate speeds.
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tenance conditions. After three years, replacing the trailer tires with new ones should be con-
trailer tires are considered worn out and should be replaced, even if they have had minimal or
no use. This is such a general statement that it may not apply in all cases. It is best to have your
tires inspected by a tire supplier to determine if your tires need to be replaced.
maximum rated pressure and that you store them in a cool, dry place, such as a garage. Use tire
covers to protect the trailer tires from the harsh effects of the sun.
3.2 STEPS FOR DETERMINING CORRECT LOAD LIMIT - TRAILER
Determining the load limits of a trailer includes more than understanding the load limits of the
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weigh. If there are multiple axles, the GAWR of each axle will be provided.
If your trailer has a GVWR of 10,000 pounds or less, there is a vehicle placard located in the
information. In addition, this placard will show a statement regarding maximum cargo capaci-
combined weight of the cargo is provided as a single number. In any case, remember: the total
weight of a fully loaded trailer cannot exceed the stated GVWR.
When loading your cargo, be sure it is distributed evenly to prevent overloading front to back and
side to side. Heavy items should be placed low and as close to the axle positions as reasonable.
Too many 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.
heat may lead to tire failure. It is the air pressure that enables a tire to support the load, so
stamped on the tire.
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TIRE SAFETY INFORMATION