Sumitomo Encounter AT LT305/55R20 Tires

Sumitomo Encounter AT LT305/55R20 E 121/118S is an all-terrain tire priced from $362.99.

Sumitomo Encounter AT LT305/55R20 E 121/118S Tire Specs

LT305/55R20 is a LT-Metric tire. It also comes in a Metric (305/55R20) and a P-Metric (P305/55R20) variant

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

LT indicates that LT305/55R20 is a light truck tire.

305 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 LT305/55R20 tire is 305 millimeters.

55 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For LT305/55R20 tire, the sidewall height is 55% of its tread width.

R denotes that LT305/55R20 tire has radial construction.

20 represents the wheel diameter in inches that the tire is designed to fit. LT305/55R20 can be mounted on rims with 20 inches in diameter.

E denotes the load range of a tire. Load Range E is equivalent to a 10-ply rating, but this doesn't mean the tire actually has 10 physical plies. These tires are generally rated for a maximum inflation pressure of 80 psi, and are commonly used on vehicles that carry heavy cargo or tow trailers, such as full-size vans, pickup trucks, and larger SUVs. They are also found on commercial trucks and RVs.

121/118 indicates a dual load index, meaning a tire can be used in a single or a dual application. For a single application, load index of 121 can support a maximum load of 3197 pounds or 1450 kilograms per tire. For a dual application, load index of 118 can support a maximum load of 2910 pounds or 1320 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 Sumitomo Encounter AT LT305/55R20 tire is 65 psi.

Tire manufacturer part number (MPN) is ATH54.