Cooper 170121034 Discoverer STT Pro LT275/65R18 123/120Q Mud Terrain Tire

The Cooper Discoverer STT Pro is an extreme all-season mud terrain tire engineered for light trucks, pickups, Jeeps, and SUVs that demand maximum off-road performance without sacrificing on-road capability. This tire features an aggressive tread design with deep tread blocks and raised white letter sidewalls for a rugged appearance.

Key Features:

• Armor-Tek3 Construction: Three-ply polyester casing reinforced with two steel belts and a nylon cap ply delivers exceptional puncture resistance and durability
• Hybrid 3-2 Tread Pattern: Reduces road noise on highways while providing excellent stability both on-road and off-road
• Mud Slingers 2.0: Deep, wide trenches with additional notches enhance grip in soft surfaces like mud and sand
• Stone Armor Technology: Anti-stone retention ribs at the base of tread grooves eject rocks to prevent punctures from stone drilling
• Alternating Shoulder Lugs: Cleats and scoops enhance traction in mud and soft terrain while maintaining self-cleaning capabilities
• Micro-Gauge Siping: Creates extra biting edges for improved wet, dry, and winter weather grip while promoting even treadwear
• Rock Climber Sidewall Technology: Climber cleats and flex grooves grip jagged rocks and power through challenging terrain

Specifications:

• Size: LT275/65R18
• Load Index: 123/120
• Speed Rating: Q
• Load Range: E (10 Ply)
• Overall Diameter: 32.28 inches
• Section Width: 10.9 inches
• Tread Depth: 19/32 inch
• Maximum Load: 3,415 lbs at 80 PSI
• Sidewall: Raised White Lettering
• M+S Rated for mud and snow conditions

This tire provides exceptional traction on loose, soft, and uneven terrain while maintaining acceptable on-road manners. The wide lateral and circumferential channels aid in hydroplaning resistance, ensuring confident wet weather performance. Backed by Cooper's standard limited warranty against defects in materials and workmanship.