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DOT Markings: A code molded
into the sidewall of a tire
signifying that the tire is in
compliance with the U.S.
Department of Transportation
(DOT) motor vehicle safety
standards. The DOT code
includes the Tire Identification
Number (TIN), an alphanumeric
designator which can also
identify the tire manufacturer,
production plant, brand, and date
of production.
GVWR
: Gross Vehicle Weight
Rating. See Loading the Vehicle
on page 8-30.
GAWR FRT
: Gross Axle Weight
Rating for the front axle.
See Loading the Vehicle on
page 8-30.
GAWR RR
: Gross Axle Weight
Rating for the rear axle.
See Loading the Vehicle on
page 8-30.
Intended Outboard Sidewall
:
The side of an asymmetrical tire,
that must always face outward
when mounted on a vehicle.
Kilopascal (kPa)
: The metric
unit for air pressure.
Light Truck (LT-Metric) Tire
:
A tire used on light duty trucks
and some multipurpose
passenger vehicles.
Load Index
: An assigned
number ranging from 1 to 279
that corresponds to the load
carrying capacity of a tire.
Maximum Inflation
Pressure
: The maximum air
pressure to which a cold tire
can be inflated. The maximum
air pressure is molded onto
the sidewall.
Maximum Load Rating
:
The load rating for a tire at the
maximum permissible inflation
pressure for that tire.
Maximum Loaded Vehicle
Weight
: The sum of curb
weight, accessory weight,
vehicle capacity weight, and
production options weight.
Normal Occupant Weight
: The
number of occupants a vehicle
is designed to seat multiplied by
150 lbs (68 kg). See Loading
the Vehicle on page 8-30.
Occupant Distribution
:
Designated seating positions.
Outward Facing Sidewall
:
The side of an asymmetrical tire
that has a particular side that
faces outward when mounted on
a vehicle. The side of the tire
that contains a whitewall,
bears white lettering, or bears
manufacturer, brand, and/or
model name molding that
is higher or deeper than the
same moldings on the
other sidewall of the tire.
9-44 Vehicle Service and Care