Cooper Discoverer AT3 XLT Tires

Product Info

Discoverer AT3 XLT

Built for towing, hauling, and off-road travel, Cooper Discoverer AT3 XLT is a heavy-duty all-terrain choice for truck owners who need real capability. The Cooper Discoverer AT3 XLT tires balance composed road manners with reinforced off-road traction, and Tire Crew offers this LT-focused lineup in sizes such as 275/70-18, 285/65-20, 31x10.50-15, and 35x12.50-20.

A smart fit for heavy-duty pickups, lifted trucks, and 4x4 builds, this model is available in LT sizes across load ranges C, E, and F, including floatation options for older off-road setups. Select sizes are snow-rated and carry the Three-Peak Mountain Snowflake symbol, giving some year-round work and trail rigs added winter confidence, while the 60,000-mile warranty helps support long-term value.

Cooper also builds in Whisper Grooves, Stone Blockades, Earth Diggers, Deep Tread Depths, and Stable Trac Technology to improve durability, traction, and control on mixed terrain. Shop with Tire Crew at Shop Tires, reserve installation with Schedule Appointment, or get sizing help at a nearby Locations store.

Tire Sizes