Isuzu 2008 i290, Руководство пользователя

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(F) Tire Size
:
A combination of letters and
numbers define a tire’s width, height, aspect ratio,
construction type and service description. The
letter T as the first character in the tire size means
the tire is for temporary use only.
(G) TPC Spec (Tire Performance Criteria
Specification)
:
Original equipment tires designed
to specific tire performance criteria have a TPC
specification code molded onto the sidewall. TPC
specifications meet or exceed all federal safety
guidelines.
Tire Size
The following illustration shows an example of a
typical passenger vehicle tire size.
(A) P-Metric Tire
:
The United States version of a
metric tire sizing system. The letter P as the
first character in the tire size means a passenger
vehicle tire engineered to standards set by the
U.S. Tire and Rim Association.
(B) Tire Width
:
The three-digit number indicates
the tire section width in millimeters from sidewall
to sidewall.
(C) Aspect Ratio
:
A two-digit number that
indicates the tire height-to-width measurements.
For example, if the tire size aspect ratio is 70, as
shown in item C of the illustration, it would mean
that the tire’s sidewall is 70 percent as high as it
is wide.
(D) Construction Code
:
A letter code is used to
indicate the type of ply construction in the tire.
The letter R means radial ply construction;
the letter D means diagonal or bias ply
construction; and the letter B means belted-bias
ply construction.
(E) Rim Diameter
:
Diameter of the wheel in
inches.
(F) Service Description
:
These characters
represent the load range and speed rating of the
tire. The load index represents the load carry
capacity a tire is certified to carry. The load index
can range from 1 to 279. The speed rating is
the maximum speed a tire is certified to carry a
load. Speed ratings range from A to Z.
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2008 - Isuzu 290/370 Owner Manual