HOW TO READ DOT IDENTIFICATION
The Department of Transportation (DOT) marking is your tire's identification number. Think of it as a birth certificate for your tire. It shows the plant where your tire was manufactured, along with the week and the year it was born.
DOT: Department of Transportation
M5: Plant Code (US3)
3T: Optional code for size
DT11: Dimensional code (sculpture)
1014: Week and year produced