Cooper
Discoverer® STT Pro™
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All-terrain
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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
126.0 -
Speed Rating
Q -
Measured Rim Width (in.)
8.0 -
Section Width (mm)
275 -
Revs Per Mile
601 -
Max Load (lbs)
3750 -
Max Inflation Pressure (PSI)
80 -
Outside Diameter (in.)
34.49 -
Tread Depth (in 32nds)
19 -
Tire Size
275/65R20 -
Approved Rim Width (in.)
7.5-9.5