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8-1. Specifications
Tire related term
Light truck (LT) tire
Load rating
Maximum load rating
Maximum permissible inflation
pressure
Measuring rim
Open splice
Outer diameter
Overall width
Passenger car tire
Ply
Ply separation
Pneumatic tire
Radial ply tire
Reinforced tire
Section width
Sidewall
A tire designated by its manufacturer as primarily
intended for use on lightweight trucks or multipurpose
passenger vehicles
The maximum load that a tire is rated to carry for a given
inflation pressure
The load rating for a tire at the maximum permissible infla-
tion pressure for that tire
The maximum cold inflation pressure to which a tire may
be inflated
The rim on which a tire is fitted for physical dimension
requirements
Any parting at any junction of tread, sidewall, or innerliner
that extends to cord material
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 tire intended for use on passenger cars, multipurpose
passenger vehicles, and trucks, that have a gross vehicle
weight rating (GVWR) of 10,000 lb. or less.
A layer of rubber-coated parallel cords
A parting of rubber compound between adjacent plies
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
A pneumatic tire in which the ply cords that extend to the
beads are laid at substantially 90 degrees to the center-
line of the tread
A tire designed to operate at higher loads and at higher
inflation pressures than the corresponding standard tire
The linear distance between the exteriors of the sidewalls
of an inflated tire, excluding elevations due to labeling,
decoration, or protective bands
That portion of a tire between the tread and bead
Meaning
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