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6-1. Specifications
6
Vehicle specifications
Tire related termMeaning
Normal occupant
weight 150 lb. (68 kg) times the
number of occupants
specified in the second column of Table 1
* that
follows
Occupant distribution Distribution of occupant
s in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
Rim A metal support for a ti
re or a tire and tube
assembly upon which the tire beads are seated
Rim diameter
(Wheel diameter) Nominal diameter o
f the bead seat
Rim size designation R im diameter and width
Rim type designation The industry manufacturer’s designation for a
rim by style or code
Rim width Nominal distan ce between rim flanges
Vehicle capacity
weight (Total load
capacity) The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicl
e’s designated seating
capacity
Vehicle maximum load
on the tire The load on an individual tire that is determined
by distributing to each
axle its share of the
maximum loaded vehicle weight, and dividing
by two
