Owner's Manual
Page 381
... Diameter: Diameter of the wheel in the tire. Tire and Rim Association. (F) Uniform Tire Quality Grading (UTQG): Tire manufacturers are required to grade tires based on page 396. (G) Maximum Cold Inflation Load Limit: Maximum load that can range from 1 to 279. the letter D means diagonal or bias...to support that indicates the tire height-to carry. S. The letter R means radial ply construction; For example, if the tire size aspect ratio is 60, as shown in item C of the illustration, it is wide. (D) Construction Code: A letter code is used to indicate the type of ply ...
... Diameter: Diameter of the wheel in the tire. Tire and Rim Association. (F) Uniform Tire Quality Grading (UTQG): Tire manufacturers are required to grade tires based on page 396. (G) Maximum Cold Inflation Load Limit: Maximum load that can range from 1 to 279. the letter D means diagonal or bias...to support that indicates the tire height-to carry. S. The letter R means radial ply construction; For example, if the tire size aspect ratio is 60, as shown in item C of the illustration, it is wide. (D) Construction Code: A letter code is used to indicate the type of ply ...