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10-1. Specifications
Tire related term
Intended outboard sidewall
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
734
Meaning
(a) The sidewall that contains a whitewall,
bears white lettering, or bears manufactur-
er, brand, and/or model name molding that
is higher or deeper than the same molding
on the other sidewall of the tire, or
(b) The outward facing sidewall of an asym-
metrical tire that has a particular side that
must always face outward when mounted
on a vehicle
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 inflation 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, side-
wall, or innerliner that extends to cord ma-
terial
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 rat-
ing (GVWR) of 10,000 lb. or less.
A layer of rubber-coated parallel cords
A parting of rubber compound between
adjacent plies
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