Cooper
Discoverer® Stronghold™ AT
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60k mi Warranty
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All-terrain
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3PMSF
- Grip on many different surfaces, including tough dirt and gravel
- Stands up to heavy loads and long highway hauling
- Winter capable with the Severe Snow Designation on all sizes
Solid Traction in Dirt and Gravel
Wide open grooves in the tread grab and release soft surfaces, while Cooper’s 3D-sipe technology helps 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.
Protection from Demanding Environments
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.
Warranties & Guarantees
This tire is eligible for the Standard Limited Warranty.
Exclusions apply; see full warranty for details.
Learn MoreOur satisfaction pledge gives you 45 days to decide whether to keep select tires or exchange them for a different set of tires.
Exclusions apply; see full warranty for details.
Learn MoreWe know you want to get the most out of your tires. That’s why we confidently back this tire with a warranty that helps protect you in the case of premature treadwear.
60,000 mi./ 96,000 kmExclusions apply; see full warranty for details.
Learn MoreFull Specs
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Load Range
F -
Load Index
125.0 -
Speed Rating
R -
Measured Rim Width (in.)
10.0 -
Section Width (mm)
35 -
Revs Per Mile
603 -
Max Load (lbs)
3640 -
Max Inflation Pressure (PSI)
80 -
Outside Diameter (in.)
34.52 -
Tread Depth (in 32nds)
17 -
Tire Size
35/12.5R20 -
Approved Rim Width (in.)
8.5-11.0
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