Cooper

Cooper Discoverer STT PRO - 38X15.50R20/E 128Q Tire

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Item # 984136483
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Smart summary

Generated by AI
  • Tire Specifications: This Cooper Discoverer STT PRO tire measures 38X15.50R20, featuring a Load Range E and a 128Q load and speed rating, primarily designed for trucks.
  • Sidewall Protection: Rock Climber Sidewall Technology helps conquer tough obstacles, while Stone Armor Technology defends against sharp rocks and debris.
  • Mud Clearance: Mud Slingers 2.0 utilize deep, wide trenches with additional notches, engineered to continuously clear thick mud for superior grip.
  • Terrain Digging: Earth Diggers Technology employs large shoulder scoops and lugs, allowing the tire to dig deeper into mud, sand, or dirt for enhanced traction.
  • Rubber Compound: A uniquely formulated rubber compound delivers outstanding performance in both wet and dry off-road conditions.
  • Off-Road Capability: This extreme off-road tire provides notable off-road performance and severe weather traction, suitable for demanding environments.
Cooper Discoverer STT PRO - 38X15.50R20/E 128Q Tire
Cooper Discoverer STT PRO - 38X15.50R20/E 128Q Tire
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About this item

Product details

Before purchasing tires, make sure to use our Tire Finder to select the right fit for your vehicle.

Rock Climber Sidewall™ Technology helps conquer the toughest obstacles. Stone Armor™ Technology helps defend against sharp rocks and debris. Uniquely formulated rubber compound for outstanding performance in wet and dry off-road conditions.

A Strong Defense
Stone Armor™ Technology protects the tire from damage caused by sharp rock and debris.

Grip Through Mud
Mud Slingers™ 2.0 offer deep, wide trenches with additional notches that continuously clear thick mud from the tire.

Tackle Tricky Terrain
Earth Diggers™ Technology digs deeper into mud, sand or dirt with large shoulder scoops and lugs.

45-Day Test Drive
Need time to make sure these tires are the right ones for your vehicle? Cooper Tires offers a 45-Day Test Drive to test out your new tires.

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Specifications

Product Details
Tire Size:38/15.5R20/E
Service Description:128Q
Sidewall:Black Sidewall
Material # or MSPN:170-144-006
Rim Width (min. to max.):11.0-13.0
Section Width:15.4
Overall Diameter:37.8
Tread Depth (32nds):21
RPM:548
Max Load (lbs.):3970 lbs @ 65 psi
UTQG Rating
Treadwear:0
Traction:
Temperature:

Warnings and disclaimers

Disclaimer

The below installation services are available at $20 per tire:
  • Plus Members save ½ off on a set of 4
  • Tire Mounting
  • Free Lifetime Rotation & Balance
  • Free Lifetime Flat Repair
  • 5 years Road Hazard Protection (Excluding New York State)
  • 4 years of 24-hour Roadside Assistance

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