Cooper Stronghold AT - LT315/70R17/E 126/123S Tire

|29 ratings
Item # 984214789
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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
  • Find better visibility this fall with fresh wipers. Click here to shop now.
cooper stronghold at - lt315/70r17/e 126/123s tire Centered 3/4 profile of an all-terrain pickup tire with aggressive multi-surface tread, wide lateral and center grooves, scooped shoulder edges and textured snow-ready shoulder blocks; black sidewall reads COOPER and size markings, mounted on a dark multi-spoke alloy wheel against a white studio background. Often used as a durable replacement for light off-road towing and hauling.
Cooper Stronghold AT - LT315/70R17/E 126/123S Tire
Hero image 0 of Cooper Stronghold AT - LT315/70R17/E 126/123S 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.

info:
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Specifications

Product Details
Tire Size:315/70R17/E
Service Description:126/123S
Sidewall:Black sidewall
Material # or MSPN:170-297-048
Rim Width (min. to max.):8.0-10.5
Section Width:12.7
Overall Diameter:34.4
Tread Depth (32nds):17
RPM:604
Max Load (lbs.):3750 lbs @ 65 psi
UTQG Rating
Treadwear:0
Traction:0
Temperature:0

Warnings and disclaimers

Disclaimer

Wheel Not Included

Member ratings & reviews

4.4 out of 5 stars
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Showing 1-3 of 11 reviews

May 12, 2026
Reviewer name: Anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

COOPER TIRES

Great looking tires should last me a couple of years if no flats etc.. They ride quiet and impressed with how they handle the road.

Helpful?54SPEFDEV57713736020095
Sep 9, 2025
Reviewer name: Old man
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Cooper Discoverer Stronghold AT

I've been installing Cooper tires on my vehicles for over 35 years. Excellent quality, smooth ride, low tire noise and dependability. Can't go wrong with Cooper!

Helpful?54SPEFDEV57713736020095
Jun 30, 2026
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

Cooper Stronghold AT

Installed a set of 6 Cooper Stronghold AT's on my Ford F350 4x4 Dually about 14 months ago and I've put about 8K miles on them and so far they still look new. They have performed well in all conditions. I've logged about 3500 miles towing a large 5th wheel RV with no adverse issues. Highly recommend them.

Helpful?54SPEFDEV57713736020095