What is written on the sidewall of a tire?
Another important piece of information on your tire’s sidewall is often referred to as the Department of Transportation, or DOT, code and the Tire Identification Number, or TIN.
How do you read a tire sidewall code?
How To Read A Tire Sidewall
- TIRE SIZE.
- P identifies your tire as a Passenger Tire.
- 225 identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters.
- 50 is the two-figure aspect ratio.
- R indicates the construction used within the tires casing.
What does the lettering on tires mean?
The number is the load rating, or the amount of weight that it can handle. The letter is the speed rating, or the maximum speed the tire is built for. As an example, a tire rated 90R could safely carry 1,323 pounds and travel at 106 mph. Consult a load and speed index to find out what your tire’s specific rating means.
What do the numbers on the side of tires mean?
The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.
What does 92w mean on a tire?
92w the first two numbers 92 refer to the load rating and the letter w refers to the maximum speed rating. 92=1,389 pounds (a mid-rating) and W=168 mph (extremely high!) Bucky B. ยท June 18, 2020. 1 of 1 found this helpful.
What does 93W mean on a tire?
A tire rated with the letter “Z” in the tire size designation (i.e. P275/40ZR17 93W or 275/40ZR17 93Y) is the tire which have a maximum speed capability above 240 kmph/149 mph.
What does 99H mean on a tire?
load index
235/55R17 99H- The load index (99) is the tire size’s assigned numerical value used to compare relative load carrying capabilities. The higher the tire’s load index number, the greater its load carrying capacity. 97 = 1,609 pounds. 98 = 1,653 pounds. 99 = 1,709 pounds.