Step 2
Example 1
Example 2
Number of people in the vehicle
(driver and occupants)
5
1
Distribution of the occupants
Front: 2
Rear: 3
Front: 1
Weight of occupants
Occupant 1: 150 lbs (68 kg)
Occupant 2: 180 lbs (82 kg)
Occupant 3: 160 lbs (73 kg)
Occupant 4: 140 lbs (63 kg)
Occupant 5: 120 lbs (54 kg)
Occupant 1: 200 lbs (91 kg)
Total weight of all occupants
750 lbs (340 kg)
200 lbs (91 kg)
Step 3
Example 1
Example 2
Permissible load (maximum
gross vehicle weight rating from
the Tire and Loading Informa‐
tion placard minus the gross
weight of all occupants)
1500 lbs (680 kg)
Ò
750 lbs
(340 kg) = 750 lbs (340 kg)
1500 lbs (680 kg)
Ò
200 lbs
(91 kg) = 1300 lbs (589 kg)
Tire labeling
Overview of tire labeling
1
Uniform Tire Quality Grading Standards
(
/
page 252)
2
DOT (Department of Transportation), (TIN)
Tire Identification Number (
/
page 253)
3
Maximum tire load (
/
page 254)
4
Maximum tire pressure (
/
page 254)
5
Manufacturer
6
Characteristics of the tire (
/
page 254)
7
Tire size designation, load-bearing capacity,
speed rating and load index (
/
page 254)
8
Tire name
%
The data shown in the illustration is sample
data.
Information on tire quality grades
According to the requirements of the U.S.
Department of Transportation's "Uniform Tire
Quality Grading Standards" tire manufacturers
must grade their tires using the following three
performance factors:
252 Wheels and tires
