2013 Ford F350 Super Duty Super Cab Owner Manual Printing 3 - Page 353

352 Wheels and Tires T type tires have some additional information beyond those of P type tires. These differences are described below. T145/80D16 is an example of a tire size. Note: The temporary tire size for your vehicle may be different from this example. Tire Quality Grades do not apply to this type of tire. Information on T Type Tires B A C D E A. T: Indicates a type of tire, designated by the Tire and Rim Association, that is intended for temporary service on cars, sport-utility vehicles, minivans and light trucks. B. 145: Indicates the nominal width of the tire in millimeters from sidewall edge to sidewall edge. In general, the larger the number, the wider the tire. C. 80: Indicates the aspect ratio, which gives the tire's ratio of height to width. Numbers of 70 or lower indicate a short sidewall. D. D: Indicates a diagonal type tire. R: Indicates a radial type tire. E. 16: Indicates the wheel or rim diameter in inches. If you change your wheel size, you will have to purchase new tires to match the new wheel diameter. Location of the Tire Label You will find a Tire Label containing tire inflation pressure by tire size and other important information located on the B-Pillar or the edge of the driver's door. See the payload description and graphic in the Load Carrying chapter . 2013 F-250/350/450/550 (f23) Owners Guide gf, 3rd Printing, December 2012 USA (fus)