Cooper

Cooper Stronghold AT - LT285/60R20/E 125/122S Tire

|9 ratings
Item # 984214779
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Highlights

  • All-Terrain Tire
  • Heavy Duty Pickup Trucks
  • 60,000 Mile Warranty
  • Grip on many different surfaces, including tough dirt and gravel
  • Stands up to heavy loads and long highway hauling
  • Black Sidewall
  • Model # 170-305-048
Cooper Stronghold AT - LT285/60R20/E 125/122S Tire
Cooper Stronghold AT - LT285/60R20/E 125/122S Tire
Hero image 0 of Cooper Stronghold AT - LT285/60R20/E 125/122S Tire, 0 of 4

About this item

Product details

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

Cooper introduces the Discoverer Stronghold AT. Strong and Durable, and backed by a 60,000 mile warranty, this tire will last until the job is done! Strategically designed tread lugs help to resist cracking, tearing, and rounding of the tread. Ledges between the lugs help prevent stones getting stuck in tread. The Stronghold is protected from demanding environments. A specialized rubber compound and wide lateral grooves help plow through water, providing maximum traction.

Solid Traction in Dirt and Gravel
Wide open grooves in the tread grab and release soft surfaces, while the narrower center grooves help to provide stability.

Strength that Lasts the Test of Time
Strong shoulder design features such as scooped tread edges, wide tread grooves, and sidewall hook pattern all help provide grip and traction for the life of the tire.

Great Snow Traction
Textured edges on the shoulders grab into snow to help provide traction in harsh winter conditions.

Three-Peak Mountain Snowflake Designation
Tires designed for use in severe snow conditions and meet specific snow performance test requirements.

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Specifications

Product Details
Tire Size:285/60R20/E
Service Description:125/122S
Sidewall:Black sidewall
Material # or MSPN:170-305-048
Rim Width (min. to max.):8.5-10.0
Section Width:11.5
Overall Diameter:33.5
Tread Depth (32nds):17
RPM:622
Max Load (lbs.):3640 lbs @ 80 psi
UTQG Rating
Treadwear:0
Traction:0
Temperature:0

Warnings and disclaimers

Disclaimer

Wheel Not Included

Member ratings & reviews

3.9 out of 5 stars
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Showing 1-3 of 4 reviews

Aug 24, 2025
Reviewer name: Shadoblu
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Excellent tire

Excellent tire, excellent value

Helpful?6DFA62MFL9DT13589068966
Aug 8, 2025
Reviewer name: Nick
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Ram 3500 diesel good tire

So far seems like a very good tire. It is a little noisy compared to my factory tire.

Helpful?6DFA62MFL9DT13589068966
May 5, 2026
Reviewer name: Mike
1 out of 5 stars
1 out of 5 stars review

Verified Purchase

Never buy Cooper Stronghold for 3/4 ton trucks

Have had these tires back in Sam’s Automotive to be balanced 3 times. The 3rd time they replaced one of the tires that would not balance for a small fee. Tires had less than 5000 miles on them. I still have at least one more that’s badly out of balance. Service Technician said this is common with the larger Cooper Tires. Would have been good to know before I purchased them. Have to schedule another appointment and argue with them again that there’s another balance issue.

Helpful?6DFA62MFL9DT13589068966

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