8-1. Specifications- Page 383

383

8-1. Specifications

8

Vehi

cle

 spec

ifi

ca

tions

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 fol-

lows

Occupant distribution

Distribution of occupants in a vehicle as specified in 
the third column of Table 1

*

 below

Production options weight

The combined weight of installed regular produc-
tion options weighing over 5 lb. (2.3 kg) in excess of 
the standard items which they replace, not previ-
ously 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 tire or a tire and tube assem-
bly upon which the tire beads are seated

Rim diameter (Wheel diameter)

Nominal diameter of the bead seat

Rim size designation

Rim diameter and width

Rim type designation

The industry manufacturer’s designation for a rim 
by style or code

Rim width

Nominal distance between rim flanges

Vehicle capacity weight (Total load 
capacity)

The rated cargo and luggage load plus 150 lb. (68 
kg) times the vehicle’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

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

Weather side

The surface area of the rim not covered by the 
inflated tire

Tire related term

Meaning