13-8
Consumer information and Reporting safety defects
ing on a vehicle.
. Light truck (LT) tire
A tire designated by its manufacturer as primarily intended for use
on lightweight trucks or multipurpose passenger vehicles.
. Load rating
The maximum load that a tire is
rated to carry for a given inflation
pressure.
. Maximum inflation pressure
The maximum cold inflation pressure to which a tire may be inflated.
. Maximum load rating
The load rating for a tire at the
maximum permissible inflation
pressure for that tire.
. Measuring rim
. Passenger car tire
The rim on which a tire is fitted for
physical dimension requirements.
A tire intended for use on passenger cars, multipurpose passenger
vehicles, and trucks, that have a
gross vehicle weight rating (GVWR)
of 10,000 lbs (4,535 kg) or less.
. Normal occupant weight
150 lbs (68 kg) times the number of
occupants specified in the second
column of Table 1 that is appended
to the end of this section.
. Occupant distribution
. Ply separation
. Open splice
A mechanical device made of rubber, chemicals, fabric and steel or
other materials, that, when
mounted on an automotive wheel,
provides the traction and contains
the gas or fluid that sustains the
load.
Any parting at any junction of tread,
sidewall, or innerliner that extends
to cord material.
. Outer diameter
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
. Overall width
pressure
The maximum cold inflation pressure to which a tire may be inflated.
A layer of rubber-coated parallel
cords.
Distribution of occupants in a vehicle as specified in the third column
of Table 1 that is appended to the
end of this section.
. Maximum loaded vehicle weight
. Maximum permissible inflation
. Ply
The overall diameter of an inflated
new tire.
The linear distance between the
exteriors of the sidewalls of an
inflated tire, including elevations
due to labeling, decorations, or
protective bands or ribs.
A parting of rubber compound
between adjacent plies.
. Pneumatic tire
. Production options weight
The combined weight of those
installed regular production options
weighing over 5.1 lbs (2.3 kg) in
excess of those standard items
which they replace, not previously
considered in curb weight or acces-