What does RT mean on Toyo tires?

Written by Editorial Team | Last Updated: August 2026

On Toyo tires, the designation RT stands for Rugged Terrain, representing a specialized category of hybrid tires engineered to bridge the performance gap between aggressive mud-terrain tires and smooth-riding all-terrain tires. Toyo Open Country R/T tires are specifically designed for pickup trucks, jeeps, and heavy-duty four-wheel-drive vehicles that demand robust off-road durability, heavy load-carrying capacity, and stone-rejecting tread blocks when navigating rocky trails, deep dirt, or muddy job sites, while still maintaining relatively quiet and comfortable driving characteristics, reliable highway traction, and extended treadwear life for daily commuting on paved public roadways.

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