Cooper 170119034 Discoverer STT Pro LT315/70R17 121/118Q Mud-Terrain Tire

The Cooper Discoverer STT Pro is an extreme all-season mud-terrain tire engineered for pickup trucks, Jeeps, and SUVs that demand confident off-road performance without sacrificing on-road civility. This LT315/70R17 tire features a 121/118Q load rating, E load range (10-ply rated), and raised white letter sidewall styling.

Advanced Construction and Durability:

• Armor-Tek3 Construction: Three-ply polyester casing delivers 50% more protection against impact damage compared to standard 2-ply tires, with enhanced puncture resistance
• Chip and Tear-Resistant Compound: Robust rubber compound withstands the punishment of extreme off-road conditions
• 21/32" Starting Tread Depth: Deep tread for extended wear and maximum off-road capability

Aggressive Tread Technology:

• Hybrid 3-2 Tread Pattern: Alternating inner tread ribs reduce road noise while increasing stability and handling on highways
• Rock Climber Sidewall Technology: Climber cleats and flex grooves grip jagged rocks and power through mud with ease
• Mud Slingers 2.0: Deep, wide trenches with additional notches enhance grip in soft surfaces like mud and sand
• Earth Diggers Technology: Large shoulder scoops and lugs dig deeper into mud, sand, and dirt for exceptional traction
• Mud Release Dimples: Help the tire self-clean to maintain traction in muddy conditions

Protection Features:

• Stone Armor Technology: Anti-stone retention ribs at the base of tread grooves eject small rocks to prevent stone drilling and punctures
• Wide Lateral and Circumferential Channels: Aid hydroplaning resistance in wet conditions
• In-Block Siping: Creates additional biting edges for improved grip in slippery conditions

Specifications: M+S rated for mud and snow performance. Overall diameter: 34.36 inches. Section width: 315mm. Approved rim width: 8.0-9.0 inches. Maximum load: 3,297 lbs (single). Speed rating: Q (99 mph). Made in USA.

The Cooper Discoverer STT Pro delivers extreme capability and durability for adventure seekers who need a tire that performs both on the trail and on the road.