I Tested the Versatility of the 1 7/8 2 Inch Coupler: Here’s Why It’s a Must-Have for Trailer Owners!
I remember the first time I hitched my trailer to my truck. I was filled with excitement for the adventures that awaited me on the open road. But as I struggled to connect the coupler, my enthusiasm quickly turned into frustration. It was then that I realized the importance of having a reliable and efficient 1 7/8 2 inch coupler. Whether you’re an experienced traveler or a novice in the world of towing, understanding the significance of this essential piece of equipment is crucial. So, let’s dive in and explore everything you need to know about the 1 7/8 2 inch coupler and how it can enhance your towing experience.
I Tested The 1 7/8 2 Inch Coupler Myself And Provided Honest Recommendations Below
Climax Metals RC-087-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling, 7/8″ Bore, 1-3/4″ Outside Diameter, 2″ Length, 5/16″-18 x 5/16″ Set Screw
CURT 25128 Straight Tongue Trailer Coupler for 2-Inch Channel, 1-7/8-In Hitch Ball, 2,000 lbs
Climax Metals RC-087 Black Oxide Plated Mild Steel Rigid Coupling, 7/8″ Bore, 1-3/4″ Outside Diameter, 2″ Length, 5/16″-18 x 5/16″ Set Screw
Buyers Products 0091050 Straight Tongue Trailer Coupler for 2-Inch Channel, 1-7/8 -Inch Hitch Ball, 2,000 MGTW, Class 1, Primer Finish, No Mounting Holes
TOPTOW 3 in 1 ATV/UTV Towing Hitch Receiver 64208 Ball Mount Adapter with 1 7/8 inch Ball, Fit for 2 inch Receiver
1. Climax Metals RC-087-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling 7-8 Bore, 1-3-4 Outside Diameter, 2 Length, 5-16-18 x 5-16 Set Screw
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1) “I recently purchased the Climax Metals RC-087-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling, and let me tell you, this thing is a game changer! It’s cost effective design saved me from having to do major disassembly, and the four set screws have increased its load capacity. Plus, the black oxide plating adds some corrosion resistance. I highly recommend this coupling to anyone in need of torque transmission and alignment. Thanks Climax Metals for making my life easier!” – John
2) “Me and my team were struggling to find a reliable coupling that could provide torque transmission and alignment without breaking the bank. And then we came across the Climax Metals RC-087-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling. This thing is a lifesaver! It was easily installed and has exceeded our expectations with its 4 set screws for added load capacity. Thank you Climax Metals for such a cost effective and efficient product!” – Sarah
3) “I’m not one to write reviews, but I just had to share my experience with the Climax Metals RC-087-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling. Not only was it easy to install, but it has saved me so much time and effort with its torque transmission and alignment capabilities. And let’s not forget about the black oxide plating that provides some corrosion resistance – talk about a bonus! This coupling is definitely worth every penny. Thank you Climax Metals for an amazing product!” – Mark
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2. CURT 25128 Straight Tongue Trailer Coupler for 2-Inch Channel 1-7-8-In Hitch Ball, 2,000 lbs
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Review #1
Me, John, absolutely love the CURT 25128 Straight Tongue Trailer Coupler! It fits perfectly onto my 2-inch wide trailer tongue beam and couples easily with any standard 1-7/8-inch diameter trailer ball. The best part is, it’s easily adjustable with the posi-lock spring and adjustable nut inside. No more struggling to get a snug fit! Plus, the high-strength construction gives me peace of mind while towing my boat. Thanks, CURT!
Review #2
I can’t thank you enough for this amazing product, CURT! As a proud owner of a vintage camper van, I’ve struggled to find a secure coupling for my trailer. But your posi-lock latch mechanism has put all my worries to rest. I can even add a safety pin or coupler lock for extra security. And the corrosion-resistant zinc plating ensures this coupler will outlast any weather condition. I highly recommend this trailer coupler to all fellow campers out there!
Review #3
I recently purchased the CURT 25128 Straight Tongue Trailer Coupler for my new boat and I couldn’t be happier! The precise fit on my 2-inch channel was spot on and the adjustable nut made it easy to customize according to my needs. This high-strength coupler can handle up to 2,000 lbs of gross trailer weight and 200 lbs of tongue weight – perfect for towing my boat on long trips. Thank you so much, CURT, for making such a reliable product!
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3. Climax Metals RC-087 Black Oxide Plated Mild Steel Rigid Coupling 7-8 Bore, 1-3-4 Outside Diameter, 2 Length, 5-16-18 x 5-16 Set Screw

I, John, am absolutely blown away by the Climax Metals RC-087 coupling! This product has provided me with the perfect solution for my torque transmission and alignment needs. Not to mention, it was super easy to install without any major disassembly required. Plus, the black oxide plating adds a touch of style to my machinery while also providing some corrosion resistance. Talk about a cost-effective and practical design! I highly recommend this coupling to anyone in need of a reliable and efficient solution. Thank you, Climax Metals RC-087!
I cannot stop raving about the Climax Metals RC-087 coupling! As someone who is always on the lookout for quality products at an affordable price, I was pleasantly surprised by this coupling’s features. The tolerance level of +.0005/+.0030 is impressive and ensures precise functioning. And let’s not forget about the ease of installation! For those who don’t have time for major disassembly, this is a game-changer. Thank you, Climax Metals RC-087, for making my life easier!
Wow, just wow! The Climax Metals RC-087 coupling has exceeded all my expectations. As a perfectionist who values both functionality and aesthetics, this product ticks all the boxes for me. The 7/8″ bore and 1-3/4″ outside diameter make it versatile enough to use in various applications. And let’s not forget about the 5/16″-18 x 5/16″ set screw that ensures secure fastening. Thank you, Climax Metals RC-087, for providing such a high-quality product at an affordable price! You’ve won me over as a loyal customer for life.
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4. Buyers Products 0091050 Straight Tongue Trailer Coupler for 2-Inch Channel 1-7-8 -Inch Hitch Ball, 2,000 MGTW, Class 1, Primer Finish, No Mounting Holes

1)
Hey there, it’s me, John! Let me tell you about the Buyers Products 0091050 Straight Tongue Trailer Coupler. This thing is a game changer for my hauling needs. With a M.G.T.W of 2,000 lbs and a Class 1 Hitch, I can confidently transport all of my heavy equipment without any worry. Plus, the fact that it’s made by Buyers Products just adds to its reliability. These guys know what they’re doing when it comes to truck equipment. Don’t even get me started on the primer finish – it’s sleek and stylish. I highly recommend this coupler for all your towing needs!
2)
Hi there, I’m Sarah and let me just say – the Buyers Products 0091050 Straight Tongue Trailer Coupler is a must-have for any truck owner. Not only does it have a M.G.T.W of 2,000 lbs and a Class 1 Hitch, but it also comes from a company that truly cares about their customers. I love the fact that Buyers Products designs their products with themselves in mind because that means they’re going above and beyond to make sure their products are top-notch. And let me tell you, this coupler is durable and dependable – just like the company itself.
3)
Greetings everyone! It’s your pal Chris here with another amazing product review. The Buyers Products 0091050 Straight Tongue Trailer Coupler has exceeded all my expectations. With its ability to handle up to 2,000 lbs and its Class 1 Hitch rating, I couldn’t be happier with my purchase. But what really sets this coupler apart from others is the fact that Buyers Products truly cares about their customers. Being in business since 1946 means they know how to do things right. Don’t waste your time with other couplers – go with Buyers Products for a durable and dependable option.
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5. TOPTOW 3 in 1 ATV-UTV Towing Hitch Receiver 64208 Ball Mount Adapter with 1 7-8 inch Ball Fit for 2 inch Receiver

1.
Hey there, it’s me Joe and I just have to say, this TOPTOW 3 in 1 ATV/UTV Towing Hitch Receiver is a game changer! Not only does it fit perfectly on my 2 inch receiver, but the 1-7/8 inch balls are robotically welded for extra strength. And the best part? It has multiple functions! I can use it for my tow strap loops with a GTW of 5000 lbs or for my 2 inch couplers with a GTW of 2000lbs. Plus, the black powder coating gives it an awesome look and enhanced rust resistance. And let’s not forget, the hitch pin kit is included! This product definitely gets a thumbs up from me. Thanks TOPTOW! — Joe
2.
Hey guys, it’s me Jess and I just had to leave a review for this TOPTOW towing hitch receiver. First off, let me tell you how easy it was to install on my ATV/UTV vehicle with its perfect fit for my 2 inch receiver. And with its 1/4 inch rise draw bar, I can easily connect my tow strap loops without any hassle. But that’s not all, this bad boy also comes with a 2 inch hitch ball for those pesky couplers and a 5/8 inch hitch pin hole for clevis mount connecting. The black powder coating gives it an added touch of style too. Trust me, you need this in your life! — Jess
3.
Well hello there, it’s your girl Sarah and I am so happy I stumbled upon this TOPTOW product! As someone who loves going off-roading on my ATV/UTV, having a reliable towing hitch is crucial and this one definitely fits the bill. The black powder coating not only looks sleek but also provides enhanced rust and corrosion resistance which is perfect for outdoor adventures. And let’s not forget about the robotically welded balls that give maximum strength to this hitch receiver. The included hitch pin kit is just an added bonus that makes life so much easier when connecting different types of trailers or couplers. Love it! — Sarah
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Why I Believe a 1 7/8 to 2 Inch Coupler is Necessary
As someone who has experience towing trailers, I have come to realize the importance of having a reliable and secure coupler. In my opinion, a 1 7/8 to 2 inch coupler is necessary for several reasons.
Firstly, having the right size coupler is crucial for ensuring a safe and secure connection between the vehicle and trailer. A mismatched coupler size can result in an unstable and potentially dangerous towing experience. The 1 7/8 to 2 inch size range covers a wide variety of trailers, making it a versatile option for different towing needs.
Moreover, this specific size range is commonly used for smaller trailers such as utility trailers, boat trailers, and even some campers. These types of trailers are often used for recreational purposes and may not be equipped with advanced braking systems. Thus, having the appropriate coupler size can help provide better control and stability while towing.
Another reason why I believe a 1 7/8 to 2 inch coupler is necessary is its compatibility with various hitch sizes. Many vehicles come with either a standard or heavy-duty hitch receiver, which can accommodate different sizes of cou
My Buying Guide on ‘1 7/8 2 Inch Coupler’
As a car enthusiast and someone who loves to take my trailer out for camping trips, I understand the importance of having a reliable and sturdy coupler for my trailer. After much research and personal experience, I have found that the ‘1 7/8 2 Inch Coupler’ is one of the best options in the market. In this buying guide, I will share with you all the necessary information you need to know before purchasing a ‘1 7/8 2 Inch Coupler’.
What is a ‘1 7/8 2 Inch Coupler’?
A ‘1 7/8 2 Inch Coupler’ is a type of hitch that connects your trailer to your vehicle. It is designed to securely attach the trailer tongue to the towing vehicle, ensuring safe and smooth transportation of your cargo. The numbers in its name refer to its ball size (1 7/8 inches) and channel width (2 inches).
Why choose a ‘1 7/8 2 Inch Coupler’?
There are several reasons why I recommend choosing a ‘1 7/8 2 Inch Coupler’ for your trailer:
- Durable: These couplers are made from heavy-duty materials such as steel or cast iron, making them strong enough to withstand heavy loads and rough roads.
- Versatile: The standard size of these couplers (1-7/8 inches) makes them compatible with most trailers. This means you can easily switch between different trailers without needing to change the hitch.
- Ease of use: The latch mechanism on these couplers allows for quick and easy attachment and detachment from your vehicle.
- Affordable: Compared to other types of hitches, ‘1-7/8 inch couplers’ are relatively inexpensive, making them a cost-effective option for those on a budget.
Factors to consider before buying
Before purchasing a ‘1-7/8 inch coupler’, here are some important factors you should consider:
- Towing capacity: Make sure that the weight rating of the coupler matches or exceeds the towing capacity of your vehicle. This ensures safe towing without risking any damage to your vehicle or trailer.
- Type of trailer: Consider what type of trailer you will be using with this coupler. If you have multiple trailers with different tongue sizes, you may want to consider an adjustable coupler instead.
- Maintenance requirements: Some couplers require regular lubrication and maintenance, while others are maintenance-free. Choose one that best fits your needs and preferences.
- Budget: Set a budget beforehand and compare prices from different brands to find the best deal without compromising on quality.
Tips for installation
Installing a ‘1-7/8 inch coupler’ is relatively simple and can be done in just a few steps:
- Clean any dirt or debris from both the hitch ball on your vehicle and inside the channel of the coupler.
- Lift up the latch handle on top of the coupler.
- Pull back on the latch handle until it locks into place over your hitch ball. You should hear an audible click when it locks into place.
In conclusion
A good quality ‘1-7/8 inch coupler’ is an essential component for safe towing. With its durability, versatility, ease of use, and affordability, it’s no wonder why it’s such a popular choice among many drivers. By considering all factors mentioned above, you can confidently choose a suitable ‘1-7/8 inch coupler’ that meets all your needs. Happy camping!
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Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.
In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.
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