Toyo Open Country M/T LT305/55R20 Tires

Toyo Open Country M/T LT305/55R20 F 125/122Q is a mud-terrain tire priced from $531.02.

Toyo Open Country M/T LT305/55R20 F 125/122Q 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.

F denotes the load range of a tire. Load Range F is equivalent to a ply rating of 12. However, modern tires don't necessarily have 12 physical plies. These tires are generally rated for a maximum inflation pressure of 95 psi, and are commonly used in commercial and industrial settings, where vehicles frequently carry heavy loads or operate under strenuous conditions. They are found on larger trucks, trailers, and some RVs.

125/122 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 125 can support a maximum load of 3638 pounds or 1650 kilograms per tire. For a dual application, load index of 122 can support a maximum load of 3307 pounds or 1500 kilograms per tire.

Q indicates the speed rating. A tire with a speed rating of Q is approved for speeds up to 99 miles per hour or 159 kilometers per hour under optimal conditions.

Maximum inflation for Toyo Open Country M/T LT305/55R20 tire is 80 psi.

Tire manufacturer part number (MPN) is 360870.