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🛞 Grip the road, conquer the wild – Stronghold AT means unstoppable adventure!
The Cooper Discoverer Stronghold AT LT285/75R18 is a rugged all-terrain tire designed for SUVs and trucks, boasting a 60,000-mile treadwear warranty and advanced 3D-sipe technology for enhanced stability. Certified for severe snow conditions, it offers superior traction on dirt, mud, and snow, while resisting cracking and tread damage. With a heavy-duty load capacity of 4,080 lbs and a 45-day test drive, it’s engineered for professionals who demand reliability and performance in every season.









| ASIN | B0D5KM5MR4 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #39,128 in Automotive ( See Top 100 in Automotive ) #29 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand | Cooper |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.4 out of 5 stars 78 Reviews |
| Global Trade Identification Number | 00029142993100 |
| Included Components | Tire Only |
| Item Diameter | 34.8 inches |
| Item Dimensions | 34.84 x 11.26 x 34.84 inches |
| Item Type Name | automotive-light-truck-and-suv-all-terrain-tires |
| Item Weight | 59 pounds |
| Load Capacity | 4080 pounds |
| Load Index | 129 |
| Load Range | E |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170289048 |
| Manufacturer Warranty Description | 60000 Miles |
| Maximum Pressure | 80 psi |
| Model Number | 170289048 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | COOP-170289048 |
| Ply | 2-Ply |
| Rim Size | 18 inches |
| Rim Width | 8 inches |
| Seasons | Year Round |
| Section Width | 28.5 centimeters |
| Size | 285/75R18 |
| Speed Rating | S |
| Tire Aspect Ratio | 75 |
| Tire Diameter | 34.84 |
| Tread Depth | 17 millimeters |
| Tread Type | Non-Directional |
| UPC | 029142993100 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 285/75R18 |
D**E
Great
They get the job done
S**T
Great Tires and extremely fast shipping.
Excellent seller.
R**E
Great Tires
I first bought a set of these tires for my 2017 Ram. They ride great and traction in rain and snow is excellent. Noise is very minimal on my Ram for the deep tread. So I just received a set for my 2023 Jeep. Can’t wait to get these installed and see the difference in handling and control.
L**A
Great!
New favorite tire after 6months
I**A
Do not recommend vibrate and loud!
Very disappointed with these. Bought a set for a 2022 F250 and a 2023 F250. Cooper is a great brand and MADE IN USA is a plus. Always try to buy domestic if it's possible. I have had phenomenal results with the Cooper At3 XLT tires very smooth and quiet. Ordered the Stronghold AT for a slightly different look and a bit more aggressive tread. These ride and sound like a BIAS Ply Mud Tire. They are horrible and vibrate my teeth at certain speeds. I have contacted Cooper hoping they will do the right thing and let me exchange these for AT3's.
S**E
Great snow and ice performance
Amazing traction on snow and ice, gives full confidence in poor conditions. Haven't been able to test them in the rain but I have full confidence they will perform great. Very low noise on dry pavement no more than a regular street tire. Primarily bought for winter and I'm very happy with there performance and have a 60,000 mile warranty.
B**Y
Great tires
Great tires. Never get flats with these. Never hydroplane. Lasts at least 60k miles with rotation every 10k miles. I'll get 80k miles from these.
A**R
Hard to Balance
Tires are much noisier than the stock tires for a 2021 Ram 2500. They have a very noticeable harmonic drone at 75 MPH. Also, they are almost un-balanceable. Average is around 6 ounces per tire to balance them. That makes them have vibration at different rpm than the wheel balancer. The stock tires were around 1.5 ounces per tire so I know it is not the rims. I question the quality of the manufacturing to be that far out of balance.
Trustpilot
1 day ago
1 month ago