Wheels
comparisons among tires . The
UTQG is not a safety rating and
not a guarantee that a tire will
last for a prescribed number of
miles (kilometers) or perform in a
certain way. It simply gives tire
buyers additional information to
combine with other considera -
tions, such as price, brand loyalty
and dealer recommendations. Un-
der UTQG, tires are graded by t he
tire manufacturers in three areas:
treadwear, traction, and tempera -
ture resistance. The UTQG infor-
mation on the t ires, molded into
the sidewalls .
U.S. DOT Tire Identification
Number (TIN)
This is the tire's "serial number".
It begins with the letters "DOT"
and indicates that the tire meets
all federal standards. The nex t
two numbers or letters indicate
the plant where it was manufac-
tured, and the last four numbers
represent the week and year of
manufacture. For example,
DOT ... 2214 ...
means that the tire was produced
in the 22nd wee k of 2014. The
other numbers are marketing co-
des that may or may not be used
25 8
by the t ire manufacturer . This in-
formation is used to contact con-
sumers if a tire defect requ ires a
recall.
Vehicle capacity weight
means the rated cargo and lug-
gage load plus 150 lbs (68 kg)
times the veh icle's designated
seating capacity.
Vehicle maximum load on the
tire
means that load on an individual
tire that is determined by distrib -
uting to each axle its sha re of the
maximum loaded vehic le we ight
and dividing by two.
Vehicle normal load on the tire
means that load on an individual
tire that is determined by d istrib-
ut ing to each axle its share of t he
curb weight, accessory weight,
and normal occupan t weight (dis-
tr ibuted in accordance with
¢ ta-
ble on page 264) and d ividing by
two.
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