Buy Cooper Discoverer STT Pro Tires for Serious Off-Road Traction
When your truck, Jeep, or SUV spends real time in mud, sand, rock, and rough backcountry terrain, ordinary all-terrain tires can leave too much performance on the table. The Cooper Discoverer STT Pro is built for drivers who want aggressive mud-terrain traction without giving up the ability to drive home on pavement.
At MR WHEELS TIRES, you can shop Cooper Discoverer STT Pro tires in a wide range of sizes for popular light trucks, SUVs, and off-road builds. Choose your exact tire size, confirm load requirements, and order with confidence from a team that understands the difference between a tire that looks rugged and one engineered to work in demanding conditions.
Ready to upgrade? Select your size above, verify fitment for your vehicle, and get your Cooper STT Pro tires moving with fast shipping options and responsive customer support from MR WHEELS TIRES.
Why Choose the Cooper Discoverer STT Pro?
The Cooper Discoverer STT Pro is a maximum-traction mud-terrain tire designed for drivers who prioritize off-road capability. Its high-void tread helps eject mud and loose debris instead of allowing the tread to pack up. Alternating shoulder lugs add bite in soft terrain, while the 3-2 center tread pattern helps maintain stability when you transition from a trail to the highway.
The tire’s construction is equally important. Cooper’s Armor-Tek3 technology uses a three-ply polyester casing with the third ply positioned at a different angle. That construction is intended to reduce weak points and improve resistance to punctures and tears in the sidewall. Anti-stone-retention ribs also help limit stone drilling between tread blocks.
Key benefits include:
•Aggressive mud-terrain tread for deep mud, sand, dirt, and rocky trails.
•High void ratio to help clear mud and loose material from the contact patch.
•Mud-release dimples and alternating shoulder lugs for additional soft-surface grip.
•Armor-Tek3 construction for added casing and sidewall protection.
•Stone-resistant tread features for drivers who regularly encounter sharp gravel and rocks.
•Broad size coverage for Jeeps, SUVs, half-ton pickups, heavy-duty trucks, and modified off-road rigs.
•M+S marking on applicable configurations; check the exact tire description before ordering.
Cooper Discoverer STT Pro Sizes and Specifications
The Cooper Discoverer STT Pro is available in flotation sizes such as 30×9.50R15, 33×12.50R15, 35×12.50R20, and 37×12.50R20, along with popular LT sizes including LT235/85R16, LT265/75R16, LT285/75R16, LT315/75R16, LT285/70R17, and LT295/70R18. Exact load index, speed rating, sidewall style, and maximum load vary by size.
Use the table below as a buying reference, not a substitute for checking the vehicle placard, owner’s manual, wheel width, suspension clearance, and local fitment requirements.
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Common size
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Load range examples
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Approx. overall diameter
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Approx. tread depth
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Typical application
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30×9.50R15LT
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C
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29.57 in
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19/32 in
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Compact SUV or Jeep fitments
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LT235/85R16
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E
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31.89 in
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18/32 in
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Work trucks and 4×4 pickups
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LT285/75R16
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E
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32.99 in
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19/32 in
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Full-size truck upgrades
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LT285/70R17
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E
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33.03 in
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19/32 in
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17-inch truck and SUV builds
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LT305/60R18
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E or F
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32.68 in
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21/32 in
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Wide 18-inch applications
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35×12.50R20LT
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E or F
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34.69 in
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21/32 in
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Lifted trucks and large SUVs
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37×12.50R20LT
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E
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36.69 in
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21/32 in
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Serious off-road builds
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Depending on size, Cooper lists load capacities ranging from approximately 1,985 pounds to 4,080 pounds per tire. Do not select a Cooper STT Pro solely by diameter or appearance. The load index and load range must meet or exceed your vehicle’s requirements, especially when towing, hauling, or carrying a camper.
Is the Cooper STT Pro Right for Your Truck or SUV?
Buy Cooper Discoverer STT Pro tires if your driving regularly includes:
•Deep mud, loose sand, rutted trails, and rocky access roads.
•Hunting, camping, construction, agricultural, or utility work away from paved roads.
•A lifted Jeep, pickup, or SUV that needs a wide range of aggressive tire sizes.
•A preference for maximum off-road traction over quiet highway operation.
The Cooper Discoverer STT Pro can also work for mixed-use driving, but it is not a touring tire. Its large tread blocks, deep voids, and heavy construction may produce more noise, rolling resistance, and fuel consumption than an all-terrain model. Snow and ice performance can also vary by vehicle, temperature, driving conditions, and tire size. If your priorities are a quiet commute, strong winter-road manners, or maximum fuel economy, compare an all-terrain or winter-rated option before purchasing.
How to Order Cooper Discoverer STT Pro Tires from MR WHEELS TIRES
Ordering the right Cooper STT Pro is straightforward when you confirm the details before checkout:
1.Read the tire size from your current sidewall or vehicle placard. A designation such as LT285/75R16 identifies the tire’s width, aspect ratio, construction, and wheel diameter.
2.Confirm the load index and speed rating. Match or exceed the original equipment requirement. Heavy-duty trucks and towing setups often need an E- or F-range tire.
3.Check wheel width and clearance. Oversized 35-inch and 37-inch tires may require lift, trimming, different backspacing, or revised gearing.
4.Choose your sidewall style. Depending on size, the Cooper Discoverer STT Pro may be offered with black sidewalls or raised white lettering.
5.Order four matching tires when possible. Matching tread, size, and wear across all four corners is especially important for four-wheel-drive and all-wheel-drive vehicles.
6.Review shipping and installation details. MR WHEELS TIRES can help you confirm order information, shipping options, and installation questions before you buy.
MR WHEELS TIRES focuses on making the purchase clear before payment. If you are unsure whether a particular Cooper STT Pro size fits your vehicle, contact customer support with your year, make, model, drivetrain, wheel size, and any lift or suspension changes. A quick fitment check can prevent an expensive return or an unpleasant surprise at installation.
Buy Cooper STT Pro Tires with Confidence
Online tire shopping should not feel like guessing. MR WHEELS TIRES gives buyers a practical path to the right Cooper Discoverer STT Pro: transparent size selection, technical product information, fast shipping options, and real customer support when the specification is unclear.
Before mounting, inspect each tire and confirm that the size, load index, sidewall, and quantity match your order. Have the tires installed and balanced by a qualified professional. After installation, follow the vehicle and tire-maker recommendations for inflation, rotation, alignment, and break-in. Proper maintenance protects the tread and helps you get the performance you paid for.
Whether you need Cooper Discoverer STT Pro 35×12.50R20 tires, LT285/75R16 Cooper STT Pro tires, or another aggressive mud-terrain size, MR WHEELS TIRES helps you move from product search to purchase with fewer doubts and better fitment information. Select your size today and build your truck or SUV around traction you can actually use.
Cooper Discoverer STT Pro FAQs
Are Cooper Discoverer STT Pro tires good for mud?
Yes. The Cooper Discoverer STT Pro is designed as a mud-terrain tire with wide tread voids, mud-release features, and aggressive shoulder lugs. These features help the tire clear soft material and maintain traction in muddy terrain. Actual performance still depends on tire pressure, vehicle setup, terrain depth, and driver technique.
Are Cooper STT Pro tires suitable for highway driving?
They can be used for mixed on-road and off-road driving, but they are built around off-road traction rather than touring comfort. Expect more tread noise and a firmer feel than a highway or all-terrain tire. Balance, alignment, inflation, and rotation are important for acceptable pavement manners.
Do Cooper Discoverer STT Pro tires have a 3PMSF winter rating?
Do not assume that an M+S marking means severe-snow certification. The product data reviewed for this tire identifies it as M+S in applicable listings and does not identify a Three-Peak Mountain Snowflake rating. Check the exact size and sidewall marking before buying for dedicated winter use.
What vehicles use Cooper Discoverer STT Pro tires?
Common applications include Jeep Wrangler builds, Toyota Tacoma and Tundra trucks, Chevrolet Silverado models, Ford Super Duty pickups, Ram trucks, and other SUVs or light trucks. Always verify exact fitment, load capacity, wheel width, and clearance for your specific vehicle.
How quickly will my order ship?
Shipping speed depends on the selected size, inventory, destination, and service level. MR WHEELS TIRES offers fast shipping options on eligible orders; review the current delivery estimate at checkout or contact customer support before ordering if timing matters.
Can I get help choosing a Cooper STT Pro size?
Yes. Send MR WHEELS TIRES your vehicle details, current tire size, wheel size, drivetrain, and modifications. Customer support can help you compare available Cooper Discoverer STT Pro sizes and identify questions to confirm with your installer before purchase.
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