Cooper Discoverer AT3 LT Tires

Product Info

Discoverer AT3 LT

Built for rough roads, gravel, mud, and heavy-duty truck use, the Cooper Discoverer AT3 LT is an all-terrain LT tire that brings dependable strength to workdays and everyday driving. The Cooper Discoverer AT3 LT tires at Rocky's Tire & Service are a smart fit for drivers who want hauling-ready durability with year-round confidence.

This lineup is LT-only and Load Range E across the active catalog, with a 60,000-mile warranty, 80 PSI max inflation, and snow-rated, 3PMSF severe-snow capability in every listed size. Rocky's Tire & Service offers six practical fitments, including 265/70-17, 245/75-17, 245/70-17, and 265/75-16, plus 215/85-16 and 265/70-16 options for common truck replacements.

Cooper’s Even Wear Arc Technology helps balance pressure for more even wear and steady handling, while Durable-Tread Technology and Stone Ejector Ledges are designed to support toughness on rocky or gravel roads. If you are comparing sizes for a pickup or HD truck, start with the 265/70-17 Cooper Discoverer AT3 LT tires or browse all Cooper tires to find the right match for your vehicle.

Tire Sizes