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Toyo Tire Open Country A/T III
Choose the Toyo Open Country A/T III LT315/70R17 121S D2 BSW, 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 LT315/70R17 Open Country A/T III is a popular LT-metric fitment for select Ram 3500, Ford F-250 Super Duty, Ram 2500, Chevrolet Silverado 2500HD, GMC Sierra 2500HD, Ford F-350 Super Duty models, plus similar trucks and SUVs using 17-inch wheels.
Why choose the Toyo Open Country A/T III in LT315/70R17?
Built for lifted heavy-duty trucks and wide custom pickup fitments: The 121S D2 rating gives this size light-truck strength for off-road use while keeping daily drivability in focus.
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 LT315/70R17 Toyo Open Country A/T III
This tire size is commonly used on select trims or modified fitments of the Ram 3500, Ford F-250 Super Duty, Ram 2500, Chevrolet Silverado 2500HD, GMC Sierra 2500HD, and Ford F-350 Super Duty. 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
LT315/70R17: This size is designed for 17-inch wheels and helps shoppers match an original, plus-size, or lifted truck fitment.
121S D2: The service description and load range identify the tire's load capability and intended truck or SUV use.
BSW: This version uses black sidewall styling for the finished look on the vehicle.
315/70-R17
Toyo Tire Open Country A/T III FAQs
Yes, Toyo Tire lists a 50,000-mile limited treadwear warranty for the Open Country A/T III when four tires are installed in size 315/70R17.
Customer Reviews
Great tires!
Very good tire. I have this Toyo tires for many years
Way louder than I expected on the highway for this type of A/T tire. Overall happy though, decent in the muddy areas and great traction on wet or dry gravel roads.