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🛞 Rule Every Terrain — From Asphalt to Adventure!
The Cooper Discoverer STT Pro 37X12.50R20LT is a premium 10-ply radial tire designed for light trucks and SUVs, delivering extreme all-season off-road traction without compromising on-road performance. Featuring patented Armor Tek3 sidewall technology, advanced mud-slinging tread patterns, and stone-repelling design, it offers durability and grip for the most demanding terrains. With a 126 load index and Q speed rating, this 37-inch diameter tire balances rugged toughness with reliable year-round usability.









| ASIN | B0DG5VK7K2 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #388,644 in Automotive ( See Top 100 in Automotive ) #563 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.5 4.5 out of 5 stars (250) |
| Global Trade Identification Number | 00029142994251 |
| Included Components | Tire Only |
| Item Diameter | 36.69 inches |
| Item Dimensions | 36.69 x 12.6 x 36.69 inches |
| Item Type Name | Tire |
| Item Weight | 60 pounds |
| Load Capacity | 3750 pounds |
| Load Index | 126 |
| Load Range | E |
| Manufacturer | COOPER |
| Manufacturer Part Number | 271614 |
| Manufacturer Warranty Description | Standard Limited Warranty |
| Maximum Pressure | 65 psi |
| Model Number | 170309006 |
| Number of Packs | 1 |
| Ply | 10-Ply |
| Rim Size | 20 inches |
| Rim Width | 10 inches |
| Seasons | Year Round |
| Section Width | 12.5 inches |
| Size | 37X12.50R20LT |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 55 |
| Tire Diameter | 36.69 |
| Tread Depth | 21 thirty_seconds_inches |
| Tread Type | Non-Directional |
| UPC | 029142994251 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 990/80R20LT |
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