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Ti res and wheels
Cold tire infl ation pressure
means the tire pressure recom -
mended by the vehicle man ufac-
turer for a tire of a designated
size that has not been driven fo r
more than a couple of miles (kilo-
meters) at low speeds in the three
hour period before the tire pres-
sure is measured or adjusted .
Curb weight
means the weight of a motor ve-
hicle with standard equipment in-
cluding the maximum capacity of
fuel, oil, and coolant, air condi-
tioning and additiona l weight of
optional equipment.
Extra load tire
means a tire designed to operate
at higher loads and at higher in-
flation pressures than the corre-
sponding standard tire. Extra load
tires my be identified as "XL",
"xl " , "EXTRA LOAD", or "RF" on
the sidewall.
Gross Axle Weight Rating
("GAWR" )
means the load-carrying capacity
of a single axle system, measured
at the tire -ground interfaces.
1 72
Gross Vehicle Weight Rating
("GVWR")
means the maximum total loaded
weight of the vehicle.
Groove
means the space between two ad-
jacent tread ribs.
Load rating (code)
means the maximum load that a
tire is rated to carry for a given in-
flation pressure . You may not find
this information on all tires be-
cause it is not required by law .
Maximum load rating
means the load rating for a tire at
the maximum permissible infla-
tion pressure for that tire .
Maximum loaded vehicle
weight
means the sum of :
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight, and
(d) Production options weight
Maximum (permissible )
inflation pressure
means the maximum cold infla-
tion pressure to which a tire may
be inflated. Also called "maxi-
mum inflation pressure ."
.,.
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