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P = Passenger Vehicles
LT = Light Truck
Tire width :
Measured in millimeters
Aspect Ratio :
The ratio of height to width-sectional tire
Construction :
R = Radial (ply walk straight across the tire from the inside out
B = Bias (ply is criss-crossed)
Diameter Wheels :
Largest distance from wheel tread to tread (inches)
Load Index :
Maximum load (pounds) of tire can support when properly increases the load index table
(EG Load Index = 85, Pounds = 1135)
Load Capacity :
Maximum load (pounds or kilograms), the tire can support
Speed Rating :
Maximum speed for the tire service based in the speed-rating chart
Rating Symbol Maximum Speed (mph) :
Q 99
S 112
T 118
U 124
H 130
V 149
W ZR 168
Y 186
Tread-wear Grade :
Tire wear rate - 200 valuation would wear twice as long as a tire with a rating of 100.
Tire * use this value only applies when comparing the same tire manufacturer.
Traction Grade :
Tire ability to stop on wet pavement (AA-Very Best, A-Best, B-Intermediate, C-Acceptable)
Temperature Class :
Tire resistance to heat generation (A-Best, B-Intermediate, C-Acceptable)
Tire Type
M & S or the Four Seasons ICO : All-season tires (not recommended for extreme cold climates or wet snow)
Winter : Especially for winter conditions
Summer : Special to the summer conditions (dry & wet some driving)
Performance : To improve handling, cornering ability, traction
Trucks : Note the rating is close to the load and tire pressure (Consult your vehicle's specifications for this information).
Article from: https://www.equipmentimes.com
