13-2
Consumer information and Reporting safety defects/For U.S.A.
For U.S.A.
Tire information
Example:
S13AA
S13AB
& Tire labeling
The following information has been
S13AB01
Many markings (e.g. Tire size, Tire
compiled according to Code of
(1) P = Certain tire type used on
Identification Number or TIN) are
Federal Regulations <Title 49, Part
light duty vehicles such as passen-
placed on the sidewall of a tire by
575=.
ger cars
tire manufacturers. These markings
can provide you with useful infor-
(2) Section Width in millimeters
mation on the tire.
(3) Aspect Ratio (= section height
7 section width).
! Tire size
(4) R = Radial Construction
S13AB0101
Your vehicle comes equipped with
(5) Rim diameter in inches
P-Metric tire size. It is important to
understand the sizing system in
! Load and Speed Rating De-
selecting the proper tire for your
scriptions
vehicles. Here is a brief review of
S13AB010102
The load and speed rating descrip-
the tire sizing system with a break-
tions will appear following the size
down of its individual elements.
designation.
! P Metric
They provide two important facts
S13AB010101
about the tire. First, the number
With the P-Metric system, Section
designation is its load index. Sec-
Width is measured in millimeters.
ond, the letter designation indicates
To convert millimeters into inches,
the tire9s speed rating.
divide by 25.4. The Aspect Ratio
(Section Height divided by Section
Width) helps provide more dimen-
sional information about the tire
size.