Toyo Open Country A/T II LT285/75R17 Tires
Toyo Open Country A/T II LT285/75R17 E 121/118S is an all-terrain tire.
Toyo Open Country A/T II LT285/75R17 E 121/118S 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.
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 Toyo Open Country A/T II LT285/75R17 tire is 80 psi.
Uniform Tire Quality Grading System (UTQG) rating for Toyo Open Country A/T II LT285/75R17 tire is 600 A B.
Tire manufacturer part number (MPN) is 352790.

LT285/75R17 Dimensions Chart
Toyo Open Country A/T II LT285/75R17 tire has a diameter of 33.8", a width of 11.2", mounts on a 17" rim, and makes 597 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 285 mm | 11.2" |
Aspect Ratio | 75% | |
Rim Diameter | 432 mm | 17" |
Tire Diameter | 859 mm | 33.8" |
Sidewall Height | 213.8 mm | 8.4" |
Circumference | 2697 mm | 106.1" |
Revolutions | 371 per km | 597 per mile |
More LT285/75R17 Tires
Here are the lowest priced tires availabe in LT285/75R17 tire size.

Accelera Omikron A/T LT285/75R17
from $166.97
Yokohama Geolandar A/T G015 LT285/75R17
from $246.99
Nexen Roadian AT Pro RA8 LT285/75R17
from $257.54
Nitto Dura Grappler LT285/75R17
from $279.00
Nexen Roadian ATX LT285/75R17
from $284.00
Hankook Dynapro AT2 Xtreme LT285/75R17
from $288.99
Yokohama Geolandar M/T G003 LT285/75R17
from $304.99
Hankook Dynapro XT LT285/75R17
from $306.99Shop more LT285/75R17 tires with tire finder.
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