Cooper
Discoverer® STT Pro™
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All-terrain
- Rock Climber Sidewall™ Technology helps conquer the toughest obstacles
- Stone Armor™ Technology helps defend against sharp rocks and debris
- Uniquely formulated rubber compound for outstanding performance in wet and dry off-road conditions
Does this tire fit your vehicle?
Enter your vehicle or tire size information first to see if this tire fits. Then you’ll be able to take a look at relevant, detailed specs.
Warranties & Guarantees
Our 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 MoreThis tire is eligible for the Standard Limited Warranty.
Exclusions apply; see full warranty for details.
Learn MoreFull Specs
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Load Range
E -
Load Index
127 -
Speed Rating
Q -
Measured Rim Width (in.)
9.5 -
Section Width (mm)
325 -
Revs Per Mile
598 -
Max Load (lbs)
3860 -
Max Inflation Pressure (PSI)
65 -
Outside Diameter (in.)
0.0 -
Tread Depth (in 32nds)
21 -
Tire Size
325/65R18 -
Approved Rim Width (in.)
9.0-12.0
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