Lexus GS430 User Manual page 584

CHASSIS
Tire related term
Rim size designation
Rim type designation
Rim width
Vehicle maximum load on
the tire
Vehicle normal load on
the tire
Weather side
Table 1 – Occupant loading and distribution for vehicle normal load for various designated seating capacities
Designated seating capacity,
Number of occupants
2 through 4
5 through 10
560
rim diameter and width
the industry of manufacturer's designation for a rim by style or code
nominal distance between rim flanges
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
the load on an individual tire that is determined by distributing to each axle its
share of the curb weight, accessory weight, and normal occupant weight
(distributed in accordance with Table 1 that follows) and dividing by two
the surface area of the rim not covered by the inflated tire
Vehicle normal load,
Number of occupants
2
3
Meaning
Occupant distribution in a normally
loaded vehicle
2 in front
2 in front, 1 in second seat