Cooper

Cooper Stronghold AT - LT265/65R18/E 122/119T Tire

|28 ratings
Item # 984214786
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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 # 170-300-048
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cooper stronghold at - lt265/65r18/e 122/119t tire front three-quarter view of an all-terrain heavy-duty pickup tire with aggressive block tread, wide lateral and center grooves, textured shoulder edges, sidewall hook pattern and black sidewall branded COOPER, model #170-300-048; designed for dirt, gravel and severe snow conditions and often used on heavy-haul trucks.
Cooper Stronghold AT - LT265/65R18/E 122/119T Tire
Hero image 0 of Cooper Stronghold AT - LT265/65R18/E 122/119T 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:265/65R18/E
Service Description:122/119T
Sidewall:Black sidewall
Material # or MSPN:170-300-048
Rim Width (min. to max.):8.0-9.5
Section Width:10.7
Overall Diameter:31.5
Tread Depth (32nds):17
RPM:659
Max Load (lbs.):3305 lbs @ 80 psi
UTQG Rating
Treadwear:0
Traction:0
Temperature:0

Warnings and disclaimers

Disclaimer

Wheel Not Included

Member ratings & reviews

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  1. 5 stars79% (22)
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  5. 1 star14% (4)
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Showing 1-3 of 10 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?1GVY3RN8FJ1K13715867846
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?1GVY3RN8FJ1K13715867846
Jan 15, 2026
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

aggressive AT tire

Had these Coopers installed this morning. Drove back home on a mix of interstate and Ohio back roads. It snowed last night so some roads were covered with about 1" of snow and others were dry. Tires handled great. Had a tad more road noise than the Mastercrafts they replaced (you can see them in bed in one of the pictures) but I'm not driving a 1 ton diesel because of the smooth quiet ride it has. As soon as I got home I drove around one of my fields and the tires done great. They had 3 other E rated AT's in stock so I was able to directly compare them. These and the Toyo At's were the most aggressive looking tread and looked like both weighted heavily towards off-road ability. The Wildpeak At 4 and Pirelli scorpion AT plus looked less aggressive and more weighted towards on road manners. These Coopers had the most aggressive sidewall biters out of them all and spacing between lugs that was atleast as wide as the Toyos and wider than the other two. These coopers were the least expensive. Cooper and Toyo were the only two Made in USA. They all had the 3peak snow designation. Tread depth looked the same between the Wildpeak, Toyo and Cooper and looked more than the Pirelli. None of these tires are Super Swamper aggressive but they did well in my snowy field and I believe they would do well on the job site or going down an abandoned coal mine road in Southern West Virginia. So if you're looking for a tire with good road characteristics and still pretty aggressive off-road these Coopers are what you're looking for.

Helpful?1GVY3RN8FJ1K13715867846

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