Cooper Discoverer STT Pro 37X13.50R20LT (Load E)

12 Ratings

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Starting At$108/mo

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Tire Specs

Brand: Cooper
Model: Discoverer STT Pro
Size: 37X13.50R20LT
Inventory Number: 90000023690

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Aspect Ratio: 13.5
Inflated Diameter: 36.85
Inflated Width: 13.3
Load Index: 127
Load Range: E
Max Load Pressure: 3860@65
Ply: 10
Revs Per Mile: 733
Section Width: 37
Service Description: 127Q
Sidewall: BLK
Speed Index: Q
Tire Rim Diameter: 20
Tire Type: Mud Terrain
Tread Depth: 21
Weight: 84.3 lbs
Warranty: Manufacturer mileage warranty

About The Cooper Discoverer STT Pro

Drive with confidence with these Cooper Discoverer STT Pro Mud Terrain tires. This specific set of tires comes in a 37X13.50R20LT configuration with a Q speed index and a load rating of 127. Tires are the only thing that connect your vehicle to the ground and keep you safe while you're on the road. Make sure your next set is one you can trust. The Cooper Discoverer STT Pro are built to ensure you get where you need to go; safely. Hosting a Manufacturer warranty, these Cooper Discoverer STT Pro tires are built to handle your lifestyle.

Product Reviews (12)

4.92 out of 5 Stars Overall 12

Awesome Tires

Reviewed on 03-08-2021

2018 Ford F-150 4WD

By Brian Burk

Great tires! Softer ride, relatively quiet, awesome grip and great customer service!

Great Tires

Reviewed on 03-08-2021

2018 Ford F-150 4WD

By Brian

After extensive looking around I decided to go with the Cooper Discoverer STT Pro. For the price and longevity history of these tires you cant go wrong. For the size of tire and pattern they are pretty quiet on the road. They are also supply alot of grip and cleaning when needed. I switched from Nitto Trail Grappler to these and extremely happy I did!

Very veryyyyy nice tire

Reviewed on 03-08-2021

2002 Ford Ranger 4WD

By Ben slager

Sweet looking effective tire to get the job done!!!!

Cooper STT Pro

Reviewed on 04-19-2021

2013 Chevrolet Silverado 2500 HD 4WD

By Joseph Allen

Love these tires. They look great. I had the rims and tires bead balanced. Very satisfied.

Awesome rugged look. Glad l left nitto for this regrets!

Reviewed on 08-12-2021

2021 GMC Sierra 2500 HD 4WD

By Edgar Baillargeon

Always followed the crowd when it came to tires and such.It was a risky move but sometimes you have to go with your gut. Love these tires.Everyone rode nitto tires. Still a good tire, but don’t be afraid of buying outside the box!

Rugged tires, good on snow, true to size

Reviewed on 01-04-2022

2002 Chevrolet Avalanche 2500 4WD

By Larry

Super happy with the fit on my avalanche. Minor trimming backside of front wheel wells. Looking fresh!

Cooper Tires

Reviewed on 01-31-2022

2004 Chevrolet Silverado 2500 HD 4WD

By James Singleton

Hellava set of tires!

Awesome Tire

Reviewed on 02-21-2022

2021 Jeep Wrangler Rubicon 4xe

By Matt Curren

Literally zero complaints…open trail, on road, around town and highway these things crush. They really shine aired down and on the trails, but road noise is minimal for MTs and they feel great when cornering. Also, haven’t had any issues in rain and snow. Bug without reservation and enjoy

It performs really good

Reviewed on 03-21-2022

1991 Ford F-150 RWD

By Joshua

All the guys out there should go with this tire because Cooper the old company but they have Hella good tires and I am running these tires on my truck and works really good off-road and on roads purposes.


Reviewed on 04-06-2022

1996 Chevrolet Tahoe 4WD

By Patrick A Ritter

Amazing tires so far. If these have road noise. I sure don't hear it. The ride very well.

Great tires

Reviewed on 05-16-2022

2015 Jeep Wrangler Sport

By Zach

Great tires. Low road noise. Lighter than some other mt tires out there. Off road traction is great.

Awesome tires

Reviewed on 05-18-2022

2010 Toyota Tundra 4WD

By David

Everyone has complimented me on how the tires and rims look on my truck. I really love the look and stance.

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About Us
Anthem Off-Road was founded in late 2013 and started shipping product in mid-2014. All of our wheels are designed with feedback from a dedicated group of thousands of truck and Jeep owners.

All wheels, tires, and suspension parts ship for free within the Contiguous U.S. Shipping to other locations will be calculated at check-out. We are able to ship worldwide. With the size and complexity of shipping wheels and tires, always allow 2-3 weeks for our normal packaging and shipping process. If shipping outside of the Contiguous U.S. the transit time will be longer. Wheel only shipments typically are sent via UPS. Full wheel & tire packages are typically sent via an LTL trucking company. In either case, your order is insured against damage and you will receive a tracking number.

All wheels and tires carry a full manufacturer's warranty, please ask for additional information. The buyer is responsible for return shipping and a restocking fee (at the manufacturer's discretion) if returning without a warranty claim or a defect/quality issue. Any returns or cancellations after placing an order will carry up to a 30% restocking fee from the respective manufacturer (this includes wheels or tires shipped in from the manufacturer to our warehouse to prepare your order). Wheel or tire change requests made while the order is in progress may also carry a restocking fee based on where the order is in processing. Wheels cannot be returned to the manufacturer after tires have been mounted; nor tires returned after they have been driven on. If you have any concerns about fitment, returns, warranty claims, etc, simply share those concerns with our team of experts and we will work to find the best solution with you! SDWC is directly responsible and manages wheel and tire sales.


WARNING: This product can expose you to Black Carbon Extracts, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to

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