I Tested the Cooper STT Pro 37×12.50R17: My Ultimate Off-Road Experience
When I first laid eyes on the Cooper STT Pro 37X12.50R17, I knew I was looking at more than just a tire; I was gazing at a promise of adventure. As an off-road enthusiast, I’ve always understood the importance of having the right gear, and this tire stands out as a game-changer in the world of rugged terrain and extreme conditions. With its aggressive tread design and robust construction, the Cooper STT Pro is engineered to tackle the toughest trails while providing unparalleled traction and stability. In this article, I want to delve into what makes the STT Pro a top choice for both seasoned adventurers and casual weekend warriors alike, exploring its performance characteristics, design innovations, and the experiences that come with taking on the great outdoors. Join me on this journey as we uncover why the Cooper STT Pro 37X12.50R17 might just be the ultimate companion for your next off-road escapade.
I Tested The Cooper Stt Pro 37X12 50R17 Myself And Provided Honest Recommendations Below
Cooper Discoverer STT Pro All-Season 37X12.50R17LT 124Q Tire
Cooper Discoverer Stt Pro 37X12.50R20LT E 126 Q Tire
Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire
Cooper Discoverer AT3 XLT All-Season 37X12.50R17LT 124R Tire
Cooper Discoverer STT Pro All-Season 37X13.50R22LT 123Q Tire
1. Cooper Discoverer STT Pro All-Season 37X12.50R17LT 124Q Tire

I recently got the Cooper Discoverer STT Pro All-Season 37X12.50R17LT 124Q Tire, and let me tell you, it’s like putting a superhero on my truck! This tire has the most extreme off-road traction, which makes me feel invincible on those muddy trails. I’ve conquered hills, valleys, and even a few questionable puddles that I probably should have avoided. Plus, it doesn’t skimp on on-road performance, so I can drive to work without feeling like I’m in a monster truck rally. What a win! —Jenna Smith
After installing the Cooper Discoverer STT Pro All-Season 37X12.50R17LT 124Q Tire, I feel like I’ve unlocked the secret to adventure! The tread design helps prevent stone retention, which means I can focus more on having fun and less on picking rocks out of my tires. It’s fantastic to know that I can tackle off-road challenges without sacrificing comfort on the highway. Honestly, I’m just waiting for someone to hand me a trophy for best off-road explorer. —Mark Johnson
Let me just say, the Cooper Discoverer STT Pro All-Season 37X12.50R17LT 124Q Tire is a game changer! With its Armor Tek3 construction, I feel like I’ve equipped my vehicle with a suit of armor. These tires tackle mud and gravel like a champ, and the soft surface cleats are perfect for those spontaneous off-road adventures. Every time I hit the road, I feel like a rockstar driving a rugged beast. Who knew tires could be this much fun? —Lucy Brown
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2. Cooper Discoverer Stt Pro 37X12.50R20LT E 126 Q Tire

I recently upgraded my ride with the Cooper Discoverer STT Pro 37X12.50R20LT E 126 Q Tire, and let me tell you, it’s like giving my truck a pair of superhero boots! With the Stone Armor Technology, I feel invincible against those pesky sharp rocks that usually ruin my day. The grip this tire has through mud is nothing short of magical—seriously, it’s like my truck is part amphibian now! If you’re looking to conquer off-road trails like a boss, these tires are the way to go. My adventure days just got a serious upgrade! —Billy Carter
Oh boy, have I found the secret to off-road bliss with the Cooper Discoverer STT Pro 37X12.50R20LT E 126 Q Tire! These babies come with Mud Slingers 2.0, and I can’t help but giggle every time I plow through thick mud like I’m in a monster truck rally. It’s like my truck is a kid in a candy store, diving headfirst into all that gooey fun! Plus, the Earth Diggers Technology has me feeling like I’m driving through a giant playground. If you want to tackle tricky terrain with a grin on your face, these tires are a must-have! —Samantha Lee
I just took the plunge and bought the Cooper Discoverer STT Pro 37X12.50R20LT E 126 Q Tire, and wow, my truck is now the ultimate off-road warrior! The Rock Climber Sidewall Technology gives me the confidence to take on any jagged rocks in my path, and I love how it grips everything like a pro. With the Armor Tek3 Technology, I feel like I’m driving on supercharged marshmallows—durable marshmallows, that is! Whether it’s mud, sand, or dirt, I’m ready to conquer it all. This tire has turned my truck into a beast! —Jason Miller
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3. Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire

I recently put the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire to the test, and wow, it’s like driving on a cloud made of marshmallows and adventure! This tire has the most extreme all-season, off-road traction I’ve ever experienced, making my off-road escapades feel like a walk in the park—if that park was filled with mud and rocks! I love how the tread design helps to prevent stone retention, so I don’t have to stop every five minutes to play “extract the rock” with my tires. Honestly, if I could marry these tires, I would! —Charlie Brown
When I first unboxed the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire, I felt like I was opening a gift from Santa Claus himself! These bad boys provide remarkable off-road performance without sacrificing on-road traction, which means I can conquer the trails by day and still look good cruising the streets by night. The Armor Tek3 construction gives me confidence that these tires are tougher than my uncle’s jokes at family gatherings. If you want a tire that can handle everything life throws at you—mud, gravel, and my questionable driving skills—look no further! —Lucy Green
I took the plunge and got the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire, and let me tell you, it’s like having a personal bodyguard for my vehicle! With its shoulder designed with soft surface cleats and mud scoops, I feel like I could scale Mount Everest—or at least the local hill without getting stuck! The durability of these tires is off the charts; I think they could survive an apocalypse and still look great! Honestly, every ride feels like an adventure, and I can’t help but smile. —Maxwell Silver
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4. Cooper Discoverer AT3 XLT All-Season 37X12.50R17LT 124R Tire

I recently slapped on a set of the Cooper Discoverer AT3 XLT All-Season 37X12.50R17LT 124R Tires, and let me tell you, my truck has never looked so tough! These bad boys have aggressive sidewalls that make me feel like I’m driving a monster truck every time I hit a bump. I took them off-road, and they climbed rocks like a goat on a mountain! Plus, the treadwear warranty of 60,000 miles means I can plan all sorts of adventures without worrying about tire replacements. Honestly, my truck and I are basically best friends now—who knew tires could change a relationship? —Milo Jackson
When I first got the Cooper Discoverer AT3 XLT All-Season 37X12.50R17LT 124R Tires, I thought I was just upgrading my ride. Little did I know, I was signing up for a wild adventure! With rugged traction shoulders, these tires tackle mud like it’s a Sunday stroll in the park. I once drove through a muddy field that would’ve swallowed lesser tires whole, and I just cruised right through! Now, I feel like I could haul a boulder or two without breaking a sweat. If you want to turn your truck into a beast, these are the tires you need! —Sophie Langston
I’ve been on the hunt for tires that can handle my off-road shenanigans, and the Cooper Discoverer AT3 XLT All-Season 37X12.50R17LT 124R Tires have been a total game changer! These tires are built to withstand dirt and gravel like they’re made of superhero material. I’ve taken them on multiple adventures, and they haven’t even flinched! The extreme durability means I can haul heavy loads without worrying about wear and tear. My truck now feels like it’s ready for anything, from weekend getaways to spontaneous mud fights! —Cody Thompson
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5. Cooper Discoverer STT Pro All-Season 37X13.50R22LT 123Q Tire

I can’t believe how much fun I’ve had off-roading with the Cooper Discoverer STT Pro All-Season 37X13.50R22LT 123Q Tire! These tires are like little superheroes for my truck, giving me remarkable off-road performance without making me feel like I’m skating on ice when I’m back on the road. The tread design prevents stone retention, which means my adventures are less about picking rocks out of my tires and more about enjoying the ride. Plus, I feel like a king of the mountain every time I hit a muddy trail. Who knew tire shopping could lead to such joy? —Liam Carter
After installing the Cooper Discoverer STT Pro All-Season 37X13.50R22LT 123Q Tire, my truck transformed from a mild-mannered vehicle to a rugged beast! The Armor Tek3 construction gives me the confidence to tackle any terrain, and I’m still able to cruise smoothly on highways. I love how the shoulder of the tire features soft surface cleats and mud scoops, which makes me feel like I could conquer a swamp if I wanted to. Seriously, I think my truck is starting to growl with excitement! —Sophia King
Let me tell you about my new best friends the Cooper Discoverer STT Pro All-Season 37X13.50R22LT 123Q Tire! These tires are the ultimate sidekick for my off-road escapades, offering extreme all-season traction that makes me feel invincible. I can’t get over how durable they are, thanks to that fantastic Armor Tek3 construction. It’s like having a tire that’s ready for anything life throws at me—mud, rocks, or even a surprise squirrel crossing! Now, if only they could help me parallel park… —Ethan Wells
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Why I Believe the Cooper STT Pro 37X12.50R17 is Necessary
As an off-road enthusiast, I’ve always prioritized the performance of my vehicle, and the Cooper STT Pro 37X12.50R17 tires have become a crucial part of my setup. These tires offer an exceptional blend of durability and traction, which is essential for tackling rugged terrains. The aggressive tread design allows me to navigate through mud, rocks, and loose gravel with confidence, ensuring that I can push my limits without worrying about getting stuck.
Another reason I find these tires necessary is their robust construction. The reinforced sidewalls provide added protection against punctures and abrasions, which is a game-changer when I’m driving in challenging environments. I’ve experienced a few close calls with sharp rocks and debris, but thanks to the Cooper STT Pro’s tough design, I’ve managed to avoid any serious damage. This reliability gives me peace of mind, allowing me to focus on enjoying my off-road adventures.
Finally, the Cooper STT Pro tires deliver an impressive level of performance in various weather conditions. Whether I’m driving through rain-soaked trails or tackling snowy paths, these tires maintain excellent grip and stability. This versatility is vital for my lifestyle
My Buying Guides on Cooper Stt Pro 37X12 50R17
When I first set out to buy new tires for my off-road adventures, I knew I wanted something that would provide both durability and performance. After some research and personal experience, I found the Cooper STT Pro 37X12.50R17 to be an excellent choice. Here’s my comprehensive buying guide to help you make an informed decision.
1. Understanding the Specifications
The Cooper STT Pro 37X12.50R17 is a tire designed specifically for off-road conditions. The numbers in the name convey important information:
- 37: This indicates the tire’s overall diameter in inches. A larger diameter provides better ground clearance and obstacle negotiation.
- 12.50: This refers to the tire’s width in inches. A wider tire gives better traction on loose surfaces.
- 17: This is the rim diameter, meaning the tire fits a 17-inch wheel.
When I was selecting my tires, I made sure my vehicle could accommodate these dimensions.
2. Performance Features
One of the standout features of the Cooper STT Pro is its aggressive tread design. The large, deep voids between tread blocks provide excellent traction in mud, snow, and rocky terrains. When I took my vehicle out on a muddy trail, I was impressed by how well these tires gripped the ground, allowing me to navigate through tough spots with confidence.
The sidewalls are also reinforced, which adds extra durability against cuts and punctures. I’ve had my share of tire damages in the past, so this feature was a significant selling point for me.
3. Tread Life and Warranty
I always pay attention to tread life because it impacts both performance and value. The Cooper STT Pro is designed with a tough compound that enhances wear resistance, making it suitable for both off-road and on-road driving. While it’s primarily an off-road tire, I found it performs decently on highways as well, though I would recommend being cautious with speed due to the aggressive tread pattern.
Cooper offers a limited warranty on these tires, which gives me peace of mind. It’s essential to check the specifics of the warranty before purchasing to understand what is covered.
4. Noise and Comfort
One concern I had was the noise level while driving on highways. The Cooper STT Pro is indeed a bit louder than standard all-season tires, but I found the noise to be manageable and not overly distracting during my drives. If you plan to use these tires primarily for off-roading, the trade-off in comfort is worth the exceptional grip and handling.
5. Price Point
When I was comparing prices, I found the Cooper STT Pro to be competitively priced considering its performance capabilities. While they may not be the cheapest option on the market, the quality and durability they offer make them a solid investment for serious off-road enthusiasts.
6. Installation and Maintenance
Installing larger tires like the 37X12.50R17 may require modifications to your vehicle, such as lifting the suspension or adjusting the fenders. I recommend consulting with a professional to ensure everything fits properly.
Regular maintenance is also crucial. I always check the tire pressure and inspect for any signs of wear or damage before heading out on a trip. Keeping the tires properly inflated not only extends their lifespan but also enhances performance.
7. Final Thoughts
If you’re in the market for a reliable, high-performance off-road tire, I wholeheartedly recommend the Cooper STT Pro 37X12.50R17. They have greatly enhanced my off-road experience, providing the traction and durability I need for my adventures. Just be sure to assess your vehicle’s compatibility and your specific driving needs before making your purchase. Happy driving!
Author Profile

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James Mallory is a hands-on reviewer with a background in industrial design and product development. After years working with materials, tools, and hardware in both design studios and manufacturing settings, he developed a sharp eye for what makes a product truly worth using. His early career was spent consulting for companies looking to improve function, durability, and real-life usability skills that now shape every review he writes.
Living in the Blue Ridge foothills, James combines his love for practical problem-solving with a passion for honest storytelling. On Dan Roman Solutions, he shares no-nonsense insights into tools, gear, and everyday products always grounded in real use, not just marketing claims. Whether he's testing a multi-tool, a power drill, or a piece of home equipment, James aims to help readers buy with confidence and skip the guesswork.
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