5609-1. Specifications
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight
150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
* that
follows
Occupant distributionDistribution 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 leveler s, roof rack, heavy duty
battery, and special trim
RimA 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 designationRim diameter and width
Rim type designationThe industry manufacture r’s designation for a
rim by style or code
Rim widthNominal distance 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 tireThe load on an individual tire that is determined
by distributing to each ax le its share of the max-
imum loaded vehicle weight, and dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is determined
by distributing to each axle its share of curb
weight, accessory weight, and normal occupant
weight (distributed in accordance with Table 1
*
below), and dividing by two
Tire related termMeaning
