_L--_ T_ ir_e_s_ a_ n_d_ w_ h_e_e_l_s _________________________________________________ _
Groove
means the space between two adjacent tread ribs.
Loa d ra t in g (code)
means t he maximum load that a t ire is rated to carry for a given
inf lation pressure . You may not find this information on all tires
because it is not required by law.
M ax imum loa d ra ting
means t he load rating for a t ire at the maximum permissib le infla-
tion pressure for that tire.
Ma x imum loa ded v e hi c le wei g ht
means the sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capaci ty weight, and
(d) Product ion options weight
M ax imum (per mis s ibl e) infl a ti o n pr ess ur e
means the maximum cold infl ation pressure to wh ich a t ire may be
inflated. Also cal led "maximum inflation pressure."
Norm a l occ up a nt we ight
means 150 lbs. (68 kilograms) times the number of occupants
seated in the veh icle up to the total seating capacity of your vehicle.
Oc c upant distributi o n
means distribution of occupants in a vehicle .
O uter di a meter
means the overal l diameter of an inf lated new tire.
Ov erall width
means the linear distance between the exteriors of the sidewa lls of
an infla t ed t ire, includ ing elevat ions due to labe ling, decorat ions, or
protective bands or ribs .
Ply
means a layer of rubber -coated para llel cords.
Produ cti o n o pt ion s we ig ht
means the co mbined weight of those insta lled regular product ion
options weighing over 5 lbs. (2.3 kg) in excess of those standard
items which t hey replace, not previously considered in curb weight
or accessory weight, inc luding heavy duty brakes, ride levelers, roof
rack, heavy dut y bat t ery, and special trim .
Rad ia l pl y tir e
means a pneumat ic t ire in wh ich t he ply cords that extend to t he
beads are laid at substantially 90 degrees to the centerline of the
t read .
Re c omm e nded infl a tion pres s u re
see :::::> page 325, "Cold tire inflat ion pressure".
Re inforc e d tir e
means a tire des ign to operate at higher loads and at higher infla-
tion pressures than the corresponding standard tire. Reinforced
t ires may be iden t ified as "XL", "xi", "EXTRA LOAD", or "RF" on the
sidewa ll.
Rim
means a metal support for a tire or a tire and tube assembly upon
whic h the t ire beads are seated.
Rim di a me te r
means nominal diameter of the bead seat. If you change your whee l
size, you wi ll have to purchase new tires to match the new rim diam -
eter.
Rim siz e design a tion
means rim diameter and width.
Rim w idth
means nominal distance between rim flanges .
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