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These can be determined by examining the series of letters and numbers called the Tire Identification Number (TIN) which follow the letters "DOT" on the tire sidewall.In order to find the week and year of production for tires manufactured after the year 1999, look at the last four numbers of the TIN.
It's even more important with the kind of weight and load that your RV puts on them.
This code is sometimes referred to as a serial number. The code starts with the DOT designation, followed by a series of letters and numbers.
Have you ever asked yourself, “how old are my tires? If you’re driving with a tire over six years old, you could be putting yourself in danger, as tires dry rot with age from the inside out.
Once a tire begins to break down, it becomes more likely to fail in the form of a tread separation–often at highway speeds, when the failure is most likely to cause catastrophic injuries or death.
For most tires, this expiration date should be six years from the date of manufacture.