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Toyo Tire Open Country A/T III, 31 X10.50R15 LT 109S C1 OWL
Outfit your truck or SUV with the Toyo Open Country A/T III 31X10.50R15 LT 109S C1 OWL, an all-terrain tire built for drivers who want off-road traction, responsive on-road handling, wet-road confidence, severe-snow capability, and a quiet, stable ride. This 31X10.50R15 Open Country A/T III is a popular 31-inch flotation fitment for select Toyota 4Runner, Jeep Wrangler, Ford Bronco, Chevrolet Colorado, Nissan Frontier, Toyota Tacoma models, plus similar trucks and SUVs using 15-inch wheels.
Why choose the Toyo Open Country A/T III in 31X10.50R15?
Built for lifted Jeeps, Broncos, midsize trucks, half-ton pickups, and trail-focused SUV builds: The 109S C1 rating is a strong match for Jeeps, midsize trucks, and trail builds that need LT construction without a heavier load range.
On-road comfort with off-road bite: The Open Country A/T III is designed for predictable highway handling, quiet ride quality, and confident traction on gravel, dirt, job sites, and weekend trails.
3PMSF severe-snow capability: The tire carries the three-peak mountain snowflake symbol, giving truck and SUV drivers added confidence in cold weather and winter conditions.
Durable all-terrain tread: Toyo's tread compound and design focus on wet performance, cut-and-chip resistance, off-road grip, and long treadwear life.
Trail-ready tread features: Staggered shoulder lugs, stone-ejecting blocks, increased lateral grooves, and 3D multi-wave sipes help support traction, stability, and even wear.
Popular vehicle fitments for 31X10.50R15 Toyo Open Country A/T III
This tire size is commonly used on select trims or modified fitments of the Toyota 4Runner, Jeep Wrangler, Ford Bronco, Chevrolet Colorado, Nissan Frontier, and Toyota Tacoma. It is also a strong option for similar pickups, Jeeps, SUVs, crossovers, and lifted builds that use the same tire size, load rating, speed rating, and wheel diameter.
Size and rating details
31X10.50R15: This size is designed for 15-inch wheels and helps shoppers match an original, plus-size, or lifted truck fitment.
109S C1: The service description and load range identify the tire's load capability and intended truck or SUV use.
OWL: This version uses outlined white letter styling for the finished look on the vehicle.
Frequently asked questions
Is the Toyo Open Country A/T III 31X10.50R15 good for daily driving?
Yes. It is built for drivers who want all-terrain traction and winter confidence while still keeping road noise, comfort, and on-road stability in mind.
What vehicles use the Toyo Open Country A/T III 31X10.50R15?
Popular applications include select Toyota 4Runner, Jeep Wrangler, Ford Bronco, and Chevrolet Colorado models, along with comparable vehicles using the same size, load range, and speed rating.
Does the Toyo Open Country A/T III have a mileage warranty?
Yes. Toyo lists a 50,000-mile treadwear warranty for LT and flotation replacement sizes.
UNIFORM TIRE QUALITY GRADE (UTQG)Uniform Tire Quality Grade
| SECTION WIDTH Measures the width of the tire from sidewall to sidewall, which is mounted on a wheel and inflated. | 31 |
| ASPECT RATIO Determines the sidewall height of the tire, based on the width. | 10.5 |
| RIM DIAMETER Measures the rim size from top to bottom (in inches). | 15" |
| OVERALL DIAMETER Measures the tire height from top to bottom when mounted on a wheel and inflated. | 30.75" |
| RIM WIDTH RANGE The approved range of rim widths this tire can be safely mounted on. | 7.0" - 9.0" |
| WEIGHT The weight of the tire measured in pounds (weight of tire only). | 44 LBS |
| TREAD DEPTH Measured in /32 of an inch to determine the height of the tread block from top to bottom. | 16/32" |
| LOAD INDEX Determines the weight a tire can carry at maximum air pressure. See load Index chart. | 109 |
| LOAD RANGE Determines the ply rating of the tire. Should be replaced with the same or higher rating. | C1 |
| MAX PSI The max psi is the highest pressure the tire can hold, but should be inflated to your vehicle specifications not exceeding this amount. | 50 PSI |
| SPEED RATING Designation from laboratory testing to determine the maximum speed the tire can travel. Maintain the same speed rating or higher for replacement. | Up to 112 mph |
| SIDEWALL DESC. The sidewall designation to describe the lettering on the sidewall. | Raised Outline White Lettering |
| WARRANTY Estimates the life expectancy of the tire, set by the tire manufacturer. | 50000 |
| VPN Vendor Product Number | 355910 |
| GTIN Global Trade Item Number | 4981910526643 |
Open Country A/T III Customer Reviews
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