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
symbol can be placed above,
below or to the left or right of the
Tire Identification Number.
2. Two-digit code: Manufacturer’s identi-
fication mark
3. Two-digit code: Tire size4. Three-digit code: Tire type code (Op-
tional)
5. Three-digit code: Date of Manufacture
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 indicate the
materials in the tire, which include
steel, nylon, polyester, and others.
4
Maximum permissible inflation pres-
sure
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 maximumload 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, Intended
Outboard Sidewall is (1) the sidewall that
contains a whitewall, bears white letter-
ing or bears manufacturer, brand, and/or
model name molding that is higher or
deeper than the same molding on the
SDI1607
Example
Maintenance and do-it-yourself
8-35
06.1.17/Z33-D/V5.0
