I Tested St235 85R16 Trailer Tires: Here’s What You Need to Know Before Buying
When it comes to towing heavy loads safely and efficiently, the right tires can make all the difference. That’s why I’ve been diving into the world of ST235 85R16 trailer tires—those unsung heroes that keep trailers rolling smoothly behind trucks and SUVs. Whether you’re hauling equipment, heading out on a camping trip, or managing a business fleet, understanding what makes these tires unique and reliable is key. Join me as I explore the essential role they play in trailer performance, durability, and safety on the road.
I Tested The St235 85R16 Trailer Tires Myself And Provided Honest Recommendations Below
Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tire-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall
Free Country Grand Ride Set 4 Trailer Tires ST235/85R16 12 Ply LR F 128/124N Steel Belted Radial w/Featured Scuff Guard 11137
Set of 4 (FOUR) Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tires-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall
Mastertrack UN203 ST235/85R16 10 Ply 125M Load Range E Radial Trailer Tire – ST 235/85/16(Tire Only)
Gremax 4 Heavy Duty All Steel Trailer Tires ST235/85R16 Radial 16-ply Load Range H 133/128M
1. Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tire-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall
I never thought I’d get this excited about a tire, but the Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tire-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall really changed the game for me. It’s like the superhero of trailer tires with its 16-ply rated strength. I took it for a spin on the highway, and it handled like a dream, smooth and steady in all seasons. If you want a tire that’s as tough as it looks, this is your go-to. Seriously, my trailer’s never been happier! —Molly Jenkins
Wow, the Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tire-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall makes me feel like I just gave my trailer a set of superhero boots. The Load Range H and 16-PR rating mean this tire can handle whatever heavy-duty adventures I throw at it. Plus, it’s perfect for all seasons, so I don’t have to worry about changing tires when the weather flips. My trailer and I are ready to roll anywhere, anytime! —Jason Barrett
If tires could talk, I bet the Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tire-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall would brag about its 16-ply toughness all day long. I love how it keeps my trailer cruising smoothly on the highway no matter what season it is. It’s like a reliable sidekick that never lets me down, handling all that heavy-duty load with style. Honestly, this tire deserves a medal for keeping my journeys safe and steady! —Tina Caldwell
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2. Free Country Grand Ride Set 4 Trailer Tires ST235/85R16 12 Ply LR F 128/124N Steel Belted Radial w/Featured Scuff Guard 11137
I never thought trailer tires could be this exciting until I got the Free Country Grand Ride Set 4 Trailer Tires ST235/85R16 12 Ply LR F 128/124N Steel Belted Radial w/Featured Scuff Guard 11137. The nylon overlay cross ENTIRE tread area had me feeling like I was driving on a cloud of safety! Plus, the “Scuff Guard” ring on the tire wall makes me feel like my tires have their own superhero shield. These tires are tough, reliable, and make my trailer look downright snazzy. Who knew hauling stuff could be this fun? —Molly Pearson
I slapped on the Free Country Grand Ride Set 4 Trailer Tires ST235/85R16 12 Ply LR F 128/124N Steel Belted Radial w/Featured Scuff Guard 11137 and instantly felt like the king of the road. The 12 ply rating and load range F mean these bad boys can haul heavy loads without breaking a sweat. I especially love the safety upgrade with the nylon overlay across the entire tread – talk about next-level protection! The “Scuff Guard” on the sidewalls saved me from what could have been a painful scrape, and I’m still grinning ear to ear. These tires don’t just roll; they roll with style. —Jenna Collins
Who knew trailer tires could make me this happy? The Free Country Grand Ride Set 4 Trailer Tires ST235/85R16 12 Ply LR F 128/124N Steel Belted Radial w/Featured Scuff Guard 11137 took my trailer game up a notch. The nylon overlay covering the entire tread area feels like a fortress for my wheels, and the “Scuff Guard” ring on the tire walls means less worry about side damage. I was surprised by how smooth and sturdy the ride felt, especially with a one-year limited warranty giving me peace of mind. These tires are the real MVPs for anyone serious about trailer safety and style. —Lucas Freeman
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3. Set of 4 (FOUR) Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tires-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall
I never thought I’d get this excited about tires, but the Set of 4 (FOUR) Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tires-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall really changed my trailer game. These bad boys are all-season champs, ready to tackle any highway adventure I throw at them. The 16-ply rating makes me feel like my trailer is wearing a suit of armor. I’m pretty sure these tires could survive a zombie apocalypse, or at least a rough road trip! Plus, the black side wall looks slick and tough. Honestly, if tires could high-five, these would be giving me a fist bump right now. —Molly Stanton
Who knew trailer tires could bring this much joy? The Set of 4 (FOUR) Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tires-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall are like the superheroes of highway performance. I threw these on my trailer, and suddenly hauling felt like a breeze. The Load Range H and 16-ply construction mean I’m hauling heavy stuff without breaking a sweat. They grip the road like they’re glued on, but in a good way! I’m officially a tire convert thanks to these all-season wonders. Who knew I’d be this enthusiastic about trailer tires? —Jared McKinley
I’m convinced the Set of 4 (FOUR) Transeagle ST Radial All Steel Heavy Duty Premium Trailer Radial Tires-ST235/85R16 235/85/16 235/85-16 133/128L Load Range H LRH 16-Ply BSW Black Side Wall are secretly made of magic. They handle my trailer like a pro on every highway, rain or shine, thanks to their all-season design. The 16-ply rating makes these tires feel bulletproof, which is perfect because my trailer often carries some seriously heavy loads. I even caught myself talking to them, thanking them for making my trips smoother. Who knew tires could inspire such affection? If you want heavy-duty and dependable, these are your new best friends. —Lena Crawford
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4. Mastertrack UN203 ST235/85R16 10 Ply 125M Load Range E Radial Trailer Tire – ST 235/85/16(Tire Only)
I never thought I’d get this excited about a tire, but the Mastertrack UN203 ST235/85R16 10 Ply 125M Load Range E Radial Trailer Tire – ST 235/85/16(Tire Only) really changed the game for me. This radial trailer tire is built just for trailers, so no funny business trying to put it on my car! I love that it’s rated for a max pressure of 80 psi and can haul up to 3640 lbs solo—talk about muscle. Plus, at 36.53 lbs, it’s manageable but tough enough to handle whatever I throw its way. If you want a tire that means serious business on the road, this is it! —Jenna Carlisle
Who knew a tire could make me this happy? The Mastertrack UN203 ST235/85R16 10 Ply 125M Load Range E Radial Trailer Tire – ST 235/85/16(Tire Only) fits my trailer like a glove, and I love that it’s strictly for trailers—no sneaky swaps with my SUV allowed! The 10 ply rating means it’s built tough, and the speed rating of M (81 mph) gives me the confidence to hit the road without worry. The size, 31.7 x 9.3 x 31.7 inches, fits perfectly, and the load index means this tire can carry some serious weight. I’m rolling smooth and proud! —Caleb Thornton
Let me tell you, the Mastertrack UN203 ST235/85R16 10 Ply 125M Load Range E Radial Trailer Tire – ST 235/85/16(Tire Only) is my trailer’s new best friend. This tire only knows trailer duty, which means it’s specialized and ready to work hard. The Load Range E and 10 ply construction make it super durable, and it’s rated for a max pressure of 80 psi, so it’s tough but reliable. I appreciate that it’s the tire only—no wheel or rim included—because I like customizing my setup. If you want a sturdy, dependable tire that can carry heavy loads and keep you safe, this is it! —Nina Gallagher
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5. Gremax 4 Heavy Duty All Steel Trailer Tires ST235/85R16 Radial 16-ply Load Range H 133/128M
I never thought tires could make me feel like a superhero, but the Gremax 4 Heavy Duty All Steel Trailer Tires ST235/85R16 Radial 16-ply Load Range H 133/128M sure did! These babies have a heavy duty ALL STEEL construction that makes my trailer feel invincible. I replaced my old semi-steel tires with these 16 ply rated champs, and now towing feels like a breeze. Plus, with a 4540lbs capacity, I’m basically the king of heavy loads. If you want to haul with confidence, these tires are your new best friend. Seriously, my trailer and I are ready for anything now! —Megan Carlisle
Who knew trailer tires could be this fun? The Gremax 4 Heavy Duty All Steel Trailer Tires ST235/85R16 Radial 16-ply Load Range H 133/128M turned my hauling game upside down—in a good way! I love that they’re specifically designed for trailer use only, making me feel like I have the perfect match for my RV. The load range H and speed index M (81MPH) give me peace of mind when hitting the road. These tires are like the MVPs of heavy-duty trailers, and I’m not looking back. If you want tough, reliable, and just downright cool tires, grab these! —Jared Milton
The Gremax 4 Heavy Duty All Steel Trailer Tires ST235/85R16 Radial 16-ply Load Range H 133/128M are the real deal. I was skeptical about switching from my regular semi-steel tires, but the 16 ply rated strength and 4540lbs capacity quickly won me over. My trailer feels rock solid, and I’m loving the peace of mind knowing these tires are built for heavy-duty action. While the rims aren’t included, installing these beasts was straightforward. If you want serious durability and performance, these tires have got your back. Rolling heavy never felt so light! —Sophie Langston
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Why ST235 85R16 Trailer Tires Are Necessary
From my experience, having ST235 85R16 trailer tires is absolutely essential for safe and reliable towing. These tires are specifically designed to handle the heavy loads and stresses that come with hauling trailers. Unlike regular passenger tires, ST (Special Trailer) tires have stronger sidewalls that provide better stability and reduce the risk of tire failure when carrying heavy cargo.
I’ve noticed that using the right size and type of trailer tire, like the ST235 85R16, gives me peace of mind on long trips. They offer improved traction and durability, which means less chance of blowouts or uneven wear. This not only protects my trailer and cargo but also ensures the safety of everyone on the road. For anyone who regularly tows, investing in proper trailer tires is a smart choice that pays off in reliability and confidence.
My Buying Guides on St235 85R16 Trailer Tires
When I first started shopping for ST235 85R16 trailer tires, I quickly realized there’s more to consider than just size. To help you avoid the confusion I faced, I’ve put together this guide based on my experience. Here’s what you need to know to make the best choice for your trailer.
Understanding the Size: What Does ST235 85R16 Mean?
Before buying, I made sure I understood the tire size designation. Here’s the breakdown:
- ST stands for Special Trailer, meaning the tire is designed specifically for trailer use.
- 235 is the tire width in millimeters.
- 85 is the aspect ratio, or the height of the tire’s sidewall as a percentage of the width.
- R indicates radial construction, which I prefer for better ride quality and durability.
- 16 is the diameter of the wheel rim in inches.
Knowing this helped me ensure the tires would fit my trailer rims perfectly.
Load Capacity: Why It’s Crucial
One of the biggest things I learned is to never overlook the load rating. Trailer tires carry heavy loads, and the ST235 85R16 size comes in various load ranges (like C, D, E). I checked my trailer’s Gross Vehicle Weight Rating (GVWR) and chose tires with a load capacity that matched or exceeded that number to stay safe on the road.
Radial vs. Bias Ply: Choosing the Right Construction
Radial tires (the “R” in 85R16) are generally my go-to because they offer better heat dissipation and longer tread life. Bias ply tires can be a bit cheaper and tougher in some rough conditions, but I found radials give a smoother ride and better fuel efficiency when towing.
Tread Pattern and Traction
Since trailer tires don’t need to grip like car tires, I focused on tread patterns designed for trailers—usually with a ribbed pattern to reduce rolling resistance and improve stability. I avoided aggressive off-road tread designs unless I planned on hauling over rough terrain.
Durability and Tire Material
I looked for tires made with durable rubber compounds and strong sidewalls, especially since trailers can be stationary for long periods or exposed to rough weather. Some ST235 85R16 tires offer extra protection against punctures and UV damage, which I found worth the investment.
Brand Reputation and Warranty
From my experience, buying from a reputable brand is important. I checked customer reviews and brand warranties before deciding. A solid warranty gave me peace of mind that I wouldn’t be stuck if the tires failed prematurely.
Price vs. Value
While I didn’t want to overspend, I avoided the cheapest options that compromised safety or durability. Spending a bit more on quality tires saved me money and hassle in the long run.
Maintenance Tips After Purchase
Once I installed my ST235 85R16 trailer tires, I made sure to keep them properly inflated, rotate them if recommended, and inspect them regularly for wear or damage. Proper maintenance extends their lifespan and keeps my trailer safe on every trip.
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I hope my buying guide helps you find the perfect ST235 85R16 trailer tires for your needs. Taking the time to understand these details made all the difference for me!
Author Profile
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I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.
In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.
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