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685
9-1. Specifications
9
Vehicle specifications
Intended outboard side-
wall
(a)The sidewall that contains a whitewall, bears
white lettering, or bears manufacturer, 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 asymmetri-
cal tire that has a particular side that must
always face outward when mounted on a vehi-
cle
Light truck (LT) tire
A tire designated by its manufacturer as primar-
ily intended for use on lightweight trucks or mul-
tipurpose passenger vehicles
Load rating
The maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load rating
The load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressure
The maximum cold inflation pressure to which a
tire may be inflated
Measuring rim
The rim on which a tire is fitted for physical
dimension requirements
Open splice
Any parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameter The overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of the
sidewalls of an inflated tire, including elevations
due to labeling, decorations, or protective bands
or ribs
Passenger car tire
A tire intended for use on passenger cars, multi-
purpose passenger vehicles, and trucks, that
have a gross vehicle weight rating (GVWR) of
10,000 lb. or less.
Ply A layer of rubber-coated parallel cords
Ply separation
A parting of rubber compound between adjacent
plies
Tire related term Meaning
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