Operation Manual

SDI1607
Example
* 2
TIN (Tire Identification Number)
for a new tire (example: DOT XX XX
XXX XXXX)
1. DOT: Abbreviation for the “Depart-
ment of Transportation”. The sym-
bol can be placed above, below or
to the left or right of the Tire
Identification Number.
2. Two-digit code: Manufacturer’s
identification mark
3. Two-digit code: Tire size
4. Three-digit code: Tire type code
(Optional)
5. Three-digit code: Date of Manu-
facture
6. Four numbers represent the week
and year the tire was built. For
example, the numbers 3103
means the 31st week of 2003. If
these numbers are missing, then
look on the other sidewall of the
tire.
* 3
Tire ply composition and material
The number of layers or plies of
rubber-coated fabric in the tire.
Tire manufacturers also must indi-
cate the materials in the tire, which
include steel, nylon, polyester, and
others.
* 4
Maximum permissible inflation
pressure
This number is the greatest amount
of air pressure that should be put in
the tire. Do not exceed the maximum
permissible inflation pressure.
* 5
Maximum load rating
This number indicates the maximum
load in kilograms and pounds that
can be carried by the tire. When
replacing the tires on the vehicle,
always use a tire that has the same
load rating as the factory installed
tire.
* 6
Term of “tubeless” or “tube type”
Indicates whether the tire requires an
inner tube (“tube type”) or not
(“tubeless”).
* 7
The word “radial”
The word “radial” is shown, if the tire
has radial structure.
* 8
Manufacturer or brand name
Manufacturer or brand name is
shown.
Other tire-related terminology:
In addition to the many terms that
are defined throughout this section,
Maintenance and do-it-yourself 8-39