Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
| Brand | Cooper |
| Tire Model | Discoverer STT Pro |
| Tire Type | All-Season |
| Tire Size | 35" - 35x12.50R20 |
| Tire Diameter | 35 |
| Tire Load Index | 121 (3197 lbs per tire) |
| Tire Load Rating | E |
| Tire Tread Depth | 21/32" |
| Tire Revs Per Mile | 582 |
| Tire Speed Rating | (Q) Up to 99mph |
| Tire Weight | 68.72 |
Engineered for Serious Off-Road Dominance. The Cooper Discoverer STT Pro All-Season Tire (35" - 35x12.50R20LT) is built for adventurers who demand peak off-road performance without compromising everyday drivability. Designed to tackle mud, rocks, sand, and rugged trails with confidence, this tire delivers aggressive traction and enhanced durability, making it a top choice for serious off-roaders and overlanders alike. Whether you're crawling through the wilderness or charging through muddy backroads, the STT Pro won't back down.
Armor-Tek3 Construction for Maximum Durability. This Cooper Discoverer STT Pro All-Season Tire (35" - 35x12.50R20LT) features Cooper’s proprietary Armor-Tek3 construction, which adds an extra layer of protection to the sidewall and tread area. This triple-ply sidewall reinforcement dramatically boosts resistance against punctures, abrasions, and trail damage, critical for off-roaders who routinely encounter rocks, roots, and debris. It's built to take a beating and keep rolling no matter where the trail leads.
Hybrid Tread Design with Mud and Trail Grip. The Cooper Discoverer STT Pro All-Season Tire (35" - 35x12.50R20LT) hybrid 3-2 inner tread block pattern helps reduce road noise while enhancing off-road traction. The aggressive outer lugs and deep voids chew through mud, claw over rocks, and grip in wet or slippery conditions. Stone ejectors in the tread help prevent debris buildup, maintaining consistent traction while protecting the tire from damage over time.
Installation. Putting this Cooper Discoverer STT Pro All-Season Tire (35" - 35x12.50R20LT) on your vehicle takes 1 hour to install.
Warranty. There is a limited warranty on this product.
Application. The Cooper Discoverer STT Pro All-Season Tire (35" - 35x12.50R20LT) offers universal fitment.
Cooper CP 170128006
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box
Tech Guides: