In fact, as rubber tires, there is also a shelf life. In addition to normal wear and tear, tires that exceed the production date for five years also need to retire. Then there is the main car asked, how do I know if the tire is "overdue service"? Let Xiao Bian take Kumho Tire as an example and teach you how to read it!
In general, we can see three obvious marks on the tire side, namely: brand, trade name and tire size. And near the place of the bead, there is a row of numbers and letters starting with DOT, which is our main character, the DOT logo.
DOT is an abbreviation of Department Of Transportation, and it is recognized by the US Department of Transportation's safety regulations. Take a Kumho tire as an example, the DOT logo is as follows.
Analysis of tire DOT logo
The last 4 digits indicate the date of production of the tire: 14 indicates the tire's year of production, that is, 2014, 28 indicates the tire's production week, that is, the 28th week, so we can know that the tire's production date is 28th week in 2014. It should be replaced by the latest by July 2019.
Detailed tire DOT logo
Understand the DOT logo, for the owner to understand the tire's shelf life becomes very easy. Therefore, everyone should pay attention when buying tires. Try not to buy tires with a long production date. Finally, it should be noted that tires that have been used for more than 5 years from the date of production will deteriorate due to ageing. Even unused spare tires should be replaced!
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