Firestone Destination X/T LT285/75R17 Tires

Firestone Destination X/T LT285/75R17 D 121S is an all-terrain tire priced from $331.99.

Firestone Destination X/T LT285/75R17 D 121S Tire Specs

LT285/75R17 is a LT-Metric tire. It also comes in a Metric (285/75R17) variant

Let us decode each aspect of the tire size code to have a full understanding what this tire size means.

LT indicates that LT285/75R17 is a light truck tire.

285 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of LT285/75R17 tire is 285 millimeters.

75 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For LT285/75R17 tire, the sidewall height is 75% of its tread width.

R denotes that LT285/75R17 tire has radial construction.

17 represents the wheel diameter in inches that the tire is designed to fit. LT285/75R17 can be mounted on rims with 17 inches in diameter.

D denotes the load range of a tire. Load Range D is equivalent to an 8-ply rating in the old system, but the actual number of plies in the tire may be different. These tires are generally rated for a maximum inflation pressure of 65 psi, and are commonly found on light trucks, SUVs, and trailers, where higher load carrying capacity is needed. They are particularly important for vehicles that are used for towing or carrying heavy loads.

121 indicates the load index. A tire with a load index of 121 can support a maximum load of 3197 pounds or 1450 kilograms per tire.

S indicates the speed rating. A tire with a speed rating of S is approved for speeds up to 112 miles per hour or 180 kilometers per hour under optimal conditions.

Maximum inflation for Firestone Destination X/T LT285/75R17 tire is 65 psi.

Tire manufacturer part number (MPN) is 013922.