Often asked: What Does Dot Stand For On Tires?

How do you read a DOT date code on a tire?

Most DOT numbers have between 6 and 8 letters/numbers mixed, and then the date code follows that. From the year 2000 on, the date code has been 4 digits, the first two are the week of manufacture and the second two digits are the year of manufacture. For instance 2407 would signify the 24th week of 2007.

How do you decode a dot number on a tire?

How to find the DOT code?

  1. The first two digits of the code represent the week of production during the year (from 1 to 52).
  2. The second two digits represent the year of manufacture.
  3. If your DOT code is a 3-digit number, it means your tire was produced before 2000.

Are all DOT tires street legal?

DOT – Legal tires meet all of the requirements for hydroplaning, tread depth, construction, and more, but they do not make the tires approved if they are missing the markings and they meet the guidelines set by the DOT. This, however, still doesn’t really make the tire “ street legal ” in some states.

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How do you read a Michelin DOT tire code?

Locate the DOT number. On the sidewall of the tire, locate a number that starts with DOT. It can be up to 12 digits long. The last three or four numbers are the date code.

When did they start putting date codes on tires?

Luckily, decoding a tire and determining the tire’s age is a pretty straightforward process, as a standardized 10-digit Tire Identification Number (often called a DOT number) was mandated by the United States Department of Transportation in 1971.

How do you date old tires?

To determine the age of your tires, check the last four digits of the U.S. The U.S. Department of Transportation (DOT) number stamped on the tire’s sidewall contains a date code that identifies the age of your tires.

How many years do tires last?

There is a general consensus that most tires should be inspected, if not replaced, at about six years and should be absolutely be swapped out after 10 years, regardless of how much tread they have left. How do you know how old your tires are? There’s a code on the sidewall that you can read about here.

What is the oldest tire you should buy?

though it could have new tread, it is still an old tire. Tire Rack’s recommendation that a tire should be replaced ten years from the date of manufacture or six years from the date it is placed into service applies to spare tires, as well, so if your vehicle is six years old or older, it’s probably…

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What are good street tires?

Tires that will maximize grip for your sports car.

  1. Editor’s Pick: Michelin Pilot Super Sport.
  2. Bridgestone Potenza S-04 Pole Position.
  3. Michelin Pilot Sport Cup 2.
  4. Yokohama Advan Neova AD08 R.
  5. Hankook Ventus R-S4.
  6. Pirelli P Zero Trofeo R.
  7. Toyo Proxes R888 R.

What makes a tire street legal?

To be approved for street use, a tire must meet specific standards like hydroplane resistance, tread depth, and sidewall stiffness. The bare minimum tread depth is 2/32nds for street use; most drag radials are in the 5/32nds range whereas a true street tire is 10/32nds.

Why do race car tires have no tread?

Race cars use tires without tread because smooth tires provide better traction in dry conditions. Otherwise, water will come between the tire and road surface, causing the driver to lose traction and hydroplane. The tread patterns of a tire are designed to displace water so that the tire and the road maintain contact.

How do you date a Michelin tire?

The date when a tire was manufactured is located on the sidewall of each tire. Consumers should locate the Department of Transportation or DOT code on the tire that begins with DOT and ends with the week and year of manufacture.

How long do Michelin tires last on average?

Though five years is the basic, you can enhance the longevity of your tire by maintaining doing regular tire rotations, proper air pressure, and finally vehicle maintenance. So, now you can understand that the Michelin tires can last for 10 years, depending on the usage.

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How often should you replace your tires?

When the tread is worn down, tires lose traction during braking and won’t grip the road well when driving in the rain, ice and snow. But even if there’s plenty of tread left, tires should be replaced if they ‘re too old, at least every six years.

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