Owner Guide 4th Printing
Page 227
...code designating where it was manufactured, the next two are the same size, load index, speed rating and type (such as P-metric versus LT-metric or all-season versus all-terrain) as those originally provided by Ford...code and the last four numbers represent the week and year the tire was built. This begins with the letters "DOT" and indicates that meets the door-latch post, next to the driver's seating position), or the Tire Label which could cause steering, suspension, axle... authorized dealer as soon as possible. 227 2012 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)
...code designating where it was manufactured, the next two are the same size, load index, speed rating and type (such as P-metric versus LT-metric or all-season versus all-terrain) as those originally provided by Ford...code and the last four numbers represent the week and year the tire was built. This begins with the letters "DOT" and indicates that meets the door-latch post, next to the driver's seating position), or the Tire Label which could cause steering, suspension, axle... authorized dealer as soon as possible. 227 2012 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)