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Toyo Tire Open Country A/T III
Get all-terrain confidence from the Toyo Open Country A/T III 37X12.50R18 LT 128Q E2 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 37X12.50R18 Open Country A/T III is a popular 37-inch flotation fitment for select Ford F-350 Super Duty, Ram 3500, Ford F-250 Super Duty, Ram 2500, Chevrolet Silverado 2500HD, GMC Sierra 2500HD models, plus similar trucks and SUVs using 18-inch wheels.
Why choose the Toyo Open Country A/T III in 37X12.50R18?
Built for lifted heavy-duty trucks, full-size off-road builds, and high-clearance custom rigs: The 128Q E2 rating supports heavy-duty trucks, towing, hauling, work-ready payloads, and overland gear.
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 37X12.50R18 Toyo Open Country A/T III
This tire size is commonly used on select trims or modified fitments of the Ford F-350 Super Duty, Ram 3500, Ford F-250 Super Duty, Ram 2500, Chevrolet Silverado 2500HD, and GMC Sierra 2500HD. 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
37X12.50R18: This size is designed for 18-inch wheels and helps shoppers match an original, plus-size, or lifted truck fitment.
128Q E2: 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.
37/12.5-R18
Customer Reviews
Sidewall seems to be softer than the Goodyears that were on it, causing it not to handle as well on the road.
At the end of the day the tires are good I wish I would have been given more options and better visual reviews before I had the make decision
Tires still have plenty of tread on them. I have had no issues.
Tires do very well in medium mud situations. Haven’t gotten stuck quite yet.