bing tracking image
  1. A-Frame Trailer Coupler
  2. Lock N Roll
  3. Weld-On
  4. 11000 lbs GTW
  5. Off Road Coupler
  6. Latch Plates
Lock N Roll Articulating Coupler - A-Frame - Trailer Side - 11K

Lock N Roll Articulating Coupler - A-Frame - Trailer Side - 11K

Item # 336TS504
Our Price: $224.26
A-Frame Trailer Coupler
This item qualifies for Free Shipping
Shipping Weight: 13 lbs
Quantity: 
In Stock
A-Frame Trailer Coupler 336TS504 - 11000 lbs GTW - Lock N Roll
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Customer Photos

Need help with installation?
Locate installers near me
Ideal for the rigors of off-road towing, this fully articulating coupler pairs with a vehicle-side Lock N Roll hitch (sold separately) to form an extra-strong connection that is safe and secure, no matter the terrain. Welds onto your A-frame trailer. 1-800-496-5010 to order Lock N Roll a-frame trailer coupler part number 336TS504 or order online at etrailer.com. Free expert support on all Lock N Roll products. Guaranteed Lowest Price and Fastest Shipping for Lock N Roll Articulating Coupler - A-Frame - Trailer Side - 11K. A-Frame Trailer Coupler reviews from real customers.
  • All Info
  • Reviews (7)
  • Q & A (0)
  • Photos
  • Why etrailer?

Lock N Roll A-Frame Trailer Coupler - 336TS504

  • Weld-On
  • 11000 lbs GTW
  • Off Road Coupler
  • Latch Plates
  • Lock N Roll

Ideal for the rigors of off-road towing, this fully articulating coupler pairs with a vehicle-side Lock N Roll hitch (sold separately) to form an extra-strong connection that is safe and secure, no matter the terrain. Welds onto your A-frame trailer.


Features:

  • A-frame trailer coupler links with Lock 'N' Roll vehicle-side hitch (sold separately) to hook up your trailer to your tow vehicle
    • Welds directly onto your A-frame trailer
    • Provides attachment point for vehicle-side hitch
  • More secure connection than with a traditional hitch ball
    • Outer tabs on trailer-side coupler interlock with vehicle-side hitch to form a strong connection
    • No more worries about coupler popping off of ball
  • Articulating design softens road shock and is great for off-roading
    • Head unit pivots side to side
    • Full articulation when paired with vehicle-end hitch - setup pivots up and down and rotates 360 degrees
  • Tight, interlocked connection creates smoother, quieter ride than pintle hitch
    • Close-fit connection reduces rattling noise and jerking motion
  • Fast, easy hookup and disconnect
    • Wide range of motion makes it easy to connect, even at an angle
  • Steel alloy construction is strong and durable
  • Black paint finish on coupler head resists corrosion
  • Raw steel A-frame body is ready for welding
  • Built-in jack attachment point allows for quick, easy mounting of round utility jack
  • Meets SAE J684 towing safety regulations
  • Made in the USA


Specs:

  • Maximum gross trailer weight: 11,000 lbs
  • Maximum tongue weight: 1,100 lbs
  • Jack hole diameter: 2-5/16"
  • Limited lifetime warranty


This coupler combines with a Lock 'N' Roll vehicle-end hitch (sold separately) to create a safe, secure, fully articulating connection that's great for towing whether you're on the road or off-road. It's more secure than a traditional ball coupler, and it's more comfortable and quieter than a pintle setup. The Lock 'N' Roll connects quickly and easily, and can adapt to any towing conditions.


Strong, Safe Connection

When using a traditional ball coupler, it can be hard to tell if the coupler is fully latched around the ball. You can head out assuming the connection is secure, only to have the trailer pop off of the ball and disconnect while you're towing. With the Lock 'N' Roll, that won't happen.


Lock N Roll Connected

This unique coupler is designed to interlock with a matching vehicle-side hitch to form a tight, secure connection. Unlike on a ball coupler, the latching components on the Lock 'N' Roll system are easy to see, so you can tell at a glance if the connection is secure.


Once secure, the Lock 'N' Roll setup offers a wide range of motion, which makes for a smooth ride. Because of the articulating action of the combined coupler and hitch, the Lock 'N' Roll connection can handle the harsh bumps and road shock that could otherwise stress and potentially damage a ball coupler.


The Lock 'N' Roll connection also makes your trailer less vulnerable to theft. Unlike a traditional ball coupler, which is compatible with any hitch ball of a matching size, the trailer-side Lock 'N' Roll coupler can only connect to a vehicle-side Lock 'N' Roll hitch. So your trailer cannot be towed away unless it's connected to a vehicle with a Lock 'N' Roll hitch installed.


With the Lock 'N' Roll, you can have peace of mind knowing your connection will not come apart or succumb to damage caused by road shock, nor will your trailer be vulnerable to theft.


Comfortable Off-Road Towing

The pintle hitch connection is the most common setup when towing off road because of the flexibility in the connection. But that flexible connection can also result in a lot of slop. This can cause uncomfortable jerking as well as rattle and noise. In addition, when using a pintle/lunette ring setup, it can be difficult to back up your vehicle and trailer without jackknifing. And it can be hard to disconnect at certain angles, which may be a necessity when overlanding.


The Lock 'N' Roll assembly, on the other hand, offers a close-fit, slop-free connection that's designed for off-roading. This close-fitting design provides a smoother ride than a pintle/lunette ring connection with less rattle. It also makes it easy to back your vehicle and trailer up without jackknifing.


With the trailer end and vehicle end combined, the Lock 'N' Roll setup also creates a fully articulating connection that's great for off-roading. The bearing that's built into the vehicle-end hitch allows for 360 degrees of rotation, which means that your trailer could actually roll all the way over and not take your vehicle with it. The connection also pivots side to side and up and down, making it easy to take rough trails without jarring your setup. This also allows for fast and easy disconnection, even at extreme angles.


How Lock 'N' Roll Works

Lock N Roll Fully Connected

Each Lock 'N' Roll setup requires 2 parts - a trailer end and a vehicle end. Together they create a strong, secure connection. To connect, just line up the trailer end and vehicle end together and place the outer metal tabs of the trailer-end coupler into the hooks on the vehicle-end hitch. Then fold the latching plates on the vehicle-end hitch down and secure them in place over the tabs using the pin and clip included with your vehicle-side hitch. With the latching plates secured, the Lock 'N' Roll assembly will stay firmly connected.


In Action Diagram

When the trailer-side coupler and vehicle-side hitch are secured together, they form an articulating assembly with 3 axes of directional motion. The uniquely designed bearing on the vehicle-side hitch allows the connection to rotate a full 360 degrees. The trailer-side coupler's hinge allows the connection to pivot to the left and to the right. And when the 2 sides are joined, the tabs will roll inside of the hooks so that the entire assembly can tilt up and down.


Towing with the Lock 'N' Roll is easy, and it gives you a connection that's both flexible and secure.



TS504 Lock and Roll Pivoting Trailer Coupler for A-Frame Trailers - Trailer End - Weld On - 11,000 lbs





Customer Satisfaction Score:


Customer Reviews

Lock N Roll Articulating Coupler - A-Frame - Trailer Side - 11K - 336TS504

Average Customer Rating:  5.0 out of 5 stars   (7 Customer Reviews)

Ideal for the rigors of off-road towing, this fully articulating coupler pairs with a vehicle-side Lock N Roll hitch (sold separately) to form an extra-strong connection that is safe and secure, no matter the terrain. Welds onto your A-frame trailer.

by:

An excellent well made hitch. Hooks up easily, backs well, articulates as designed. No issues at all.




by:

After trying this system on my [email protected] off-road version teardrop I changed all my trailers to this (3 total) from the standard 2" ball. I've had my [email protected] through some rough trails and this system works excellent.

I highly recommend.




by:

Greatest invention ever ! the manufacturer builds a travel trailer that they sell with off road tires and promotes it as a off road trailer with a standard ball hitch. I was so unhappy with the trailer until I found this on etrailer.com It works great. Thanks etrailer !!


Comments
great
Jim S - 11/17/2020


by:

After a 4 wheeling trip to Colorado I realized my ball and socket hitch was not adequate for pulling my trailer into the back country camping areas. One of the guys on the trip had a Lock and Roll coupler on his Jeep and it worked just as it was designed to. I ordered one as soon as I got home. We are headed back to Colorado in July and it will get a good workout. It’s also great not to have to worry about the old style hitch binding and breaking and leaving me stranded!




by:

Fast shipping and fair prices. I'm always worried about getting my product shipped to me on time and I'm happy I used this site, it shipped fast and I was kept in the loop the whole time! :)




by:


Comments
Great
Zac - 02/28/2022


by:



7
7

See what our Experts say about this Lock N Roll A-Frame Trailer Coupler

  • Could Lock N Roll Articulating Coupler # 336TS504 be Bolted to a Trailer Frame
    The Lock N Roll Articulating Coupler # 336TS504 is listed as a weld-on application because it doesn't have bolt holes and was left unfinished to make the welding job easier. If you were willing to drill holes in the coupler you certainly could bolt it to your trailer. I'd recommend painting it to help fight corrosion. I attached a page that has all of the ball mount solutions that go with this for you to check out. Main difference between them is the amount of drop they all have.
    view full answer...
  • Recommended Lock N Roll for Military M101a Trailer
    I don't have much info on the Military M101a Trailers but I can see they're A-Frames so assuming it's the standard 50 degree A-Frame the best Lock N Roll setup to use will be the Lock N Roll Articulating Coupler part # 336TS504.
    view full answer...
  • Lock N Roll Articulating Coupler A-Frame Dimensions
    The Lock N Roll Articulating Coupler # 336TS504 dimensions for the A-frame are 2.19" at the narrowest part and 11.22" at the widest part of the opening. It is 9.68" long from largest opening to narrowest. I have included a picture below with these measurements as well.
    view full answer...
    Image 1 for Image 2 for
  • What is Weight Capacity of Lock N Roll Coupler part # 336TS504
    The pivoting bolt or pin that the Lock N Roll Coupler part # 336TS504 has is made from a hardened steel that as rigorously tested for capacity and found to be capable of handling up to 11,000 lbs of trailer weight and also meets SAE J684 towing safety regulations. A standard hitch ball uses a similar "bolt" if you will as the threaded portion of the ball that fits into the ball mount hole is a very similar concept.
    view full answer...
  • Dimensions of the Lock N Roll Articulating Trailer Hitch
    I went out to measure the Lock N Roll Articulating Trailer Hitch for 2" Receivers - Vehicle Side # 336VS501 and found the distance from the center of the hitch pin hole to the back of the latching mechanism is about 6", the length from the center of the hitch pin hole to the end of the receiver is about 11" and the overall length is approximately 13-3/4". Like the title says this the vehicle side of the ball mount and will need a trailer side coupler such as the Lock N Roll Articulating...
    view full answer...
    Image 1 for
  • Converting Pintle Setup of M416 Stevens Military Trailer to Lock N Roll Articulating Coupler
    Since your Stevens M416 has an A-frame design the correct coupler setup you'd need for your trailer to use a Lock N Roll Articulating Coupler would be the part # 336TS504 which was designed for A-frame trailers for a direct fit that won't extend the trailer tongue. This would have to be welded on which I am sure you wouldn't have an issue with. If you were really wanting to extend the tongue of the trailer out though you'd have to use the # 336TS508 instead and find someone willing to...
    view full answer...
  • How to Level Trailer With Lock N Roll Articulating Trailer Coupler
    I'm assuming you're speaking of a 2 inch drop on the ball mount you're currently using, is that correct? If so, the # 336VS503505 Lock N Roll articulating ball mount you'd looked at would allow for a 2 inch drop to properly level your trailer. The premise for a Lock N Roll is the same as for a ball/coupler. You want to put the vehicle side of the connection at the proper height so the trailer is pulled as close to level as you can get it. You'll also need the corresponding Lock N Roll...
    view full answer...
  • Trailer Hitch Vertical Adjustment For Lock N Roll Coupler
    Vertical adjustability is not required on both sides. In most cases the trailer side is usually fixed # 336TS504 and the vehicle side usually has the adjustments # 336VS503505. As long as the trailer and towing vehicle are level these adjustments aren't needed. If you wanted to use the Lock N Roll Articulating Coupler # 336TS502 on your trailer side to get adjustments, you can weld something like this # 336TS518 on your trailer.
    view full answer...
  • A-Frame Coupler Recommendation for Off Road Trailer
    For an off-road trailer the Lock N Roll Articulating Coupler part # 336TS504 would be your best option for an a-frame trailer as it offers the best articulation and was specifically designed for off-road applications. Then for the matching style "ball mount" for the vehicle side you'd want the part # 336VS517 and you'd be set. Both of these have 11k capacities.
    view full answer...
  • Will the Lock N Roll Articulating Coupler Fit a Karvana Trailer
    The Lock N Roll Articulating Coupler part # 336TS504 fits a standard 50 degree a-frame so it's a go for a Karvana trailer. You'll need to grind off or unbolt the old coupler then weld the new one on, easy work for any decent welder. If you need the vehicle side I recommend the Lock N Roll Articulating Hitch w/ 3-Position Channel part # 336VS503505.
    view full answer...
  • Does The Lock N Roll Trailer Hitch and Coupler Affect Backing Up The Trailer?
    The Lock N Roll Articulating Coupler # 336TS504 along with the Lock N Roll Articulating Hitch # 336VS503505 is no more difficult to back up a trailer than a standard ball and coupler. As there is less resistance in the motion of this coupler you also do not have to worry about the trailer sticking on the ball mount and not turning especially in the snow when you begin to turn and the rear end of the vehicle begins to slide.
    view full answer...
  • Trailer Side Options for Lock N Roll Articulating Hitch Setup
    The Lock N Roll Articulating Hitch w/ 3-Position Channel - 2" Receivers # 336VS503505 is just the vehicle side of the equation. The reason for this is because not all trailers have the same setup. For the trailer side we have a few options based on the style of the trailer. The part # 336TS528 is for a 2 inch straight channel, the part # 336TS504 is for an A-frame trailer, # 336TS506 is for a 2-1/2 inch straight coupler, and # 336TS508 is for a 3 inch straight channel.
    view full answer...
  • Correct Trailer Side Lock N Roll Articulating Coupler
    I do have some options for a Lock N Roll Articulating Coupler. The correct one will be based on frame type, part # 336TS504 for a-frame and part # 336TS528, part # 336TS506, or part # 336TS508 for straight tongue. These will all pair perfectly with any of the vehicle side Lock N Roll Articulating Trailer Hitchs like part # 336VS501.
    view full answer...
  • Locks that Can Be Used with Lock N Roll Articulating Hitch Setups
    Since the Lock N Roll Articulating Hitch # 336VS503505 that you referenced has a hollow shank you can use the hitch lock/anti-rattle device # 63232 as a really great lock setup that will also prevent any rattling of the accessory in your hitch. The matching trailer side coupler is the part # 336TS528 for a pole tongue trailer or # 336TS504 for an a-frame style coupler. This type of coupler does not have a lock made for it but the good news is that it's so unique the likelihood of a thief...
    view full answer...
  • Does Lock N Roll Articulating Hitch Require Lock N Roll Trailer Coupler
    Yes, the Lock N Roll Articulating Hitch for 2" Receivers # 336VS511 does need the trailer to have a matching Lock N Roll coupler. The reason is the unique way the hitch and coupler attach, which allows the rotation and smooth ride you'll get with this hitch and coupler combo. I will list the compatible trailer couplers of the Lock N Roll Articulating # 336VS511, and keep in mind to secure it to your receiver you will need Receiver Lock # e98880. Compatible Couplers: Lock N Roll Articulating...
    view full answer...
  • Recommended Articulating Coupler for Off-Road Trailer
    It sounds like you might want to have a look at something like the Lock N Roll Articulating Hitch w/ 3-Position Channel - 2" Receivers - Vehicle Side - 11K # 336VS503505 which will slide into a 2" hitch receiver and give you a fully articulating solution that's designed for off-road trailers. You could then choose from a few options based on the style of the trailer. The part # 336TS528 is for a 2 inch straight channel, the part # 336TS504 is for an A-frame trailer, # 336TS506 is for a...
    view full answer...
  • Rotating Coupler Option For Motorcycle Trailer
    While there are rotating/articulating couplers and mounts, there aren't any that work with a trailer hitch ball as that would be too much rotation, both on the coupler and the hitch ball. So you would need a different connection type from Lock N Roll, which interlocks with the coupler bolt and pin from the mount. I'm not sure which type of tongue your trailer has, but there is a weld-on option for an A-frame trailer, and weld-on or bolt-on options for different sized straight-tongue trailers: -...
    view full answer...
  • Will Lock N Roll Articulating Coupler # 336TS504 Fit 2018 NuCamp Tag Boondock Edition
    I looked up pictures of the front of your 2018 NuCamp Tag Boondock Edition and it uses a standard A-frame style coupler like what the Lock N Roll Articulating Coupler # 336TS504 is designed to fit so this would work well for you. You'd have to have your old coupler removed and this one welded in place of it. For the shank that slides into the hitch of your vehicle you'd want the part # 336VS501 for a fixed height solution of the part # 336VS503505 which has a three height settings.
    view full answer...
    Image 1 for
  • Lock N Roll Articulating Coupler A-Frame Compatibility with Jayco Trailer
    The Lock N Roll Articulating Coupler - A-Frame - Trailer Side - 11K # 336TS504 will fit with the standard A-frame trailers which are 50 degrees like your Jayco will have. Then you can use the Lock N Roll Articulating Trailer Hitch for 2" Receivers - Vehicle Side - 11,000 lbs # 336VS501 or adjustable rise/drop # 336VS503505 to meet your needs.
    view full answer...
  • Recommended Articulating Coupler for Off-Road Adventure Trailer
    It sounds like you're looking for an articulating coupler. For the trailer side of the equation, use # 336TS504 for an A-frame coupler. For an adjustable channel tongue use # 336TS502. If you need a 2 inch channel tongue go with part # 336TS528, # 336TS506 for a 2-1/2 inch channel tongue, or # 336TS508 for a 3 inch channel. For the vehicle side, there are several different drops available. For a zero rise/drop, use # 336VS501. For up to a 4-1/4 inch rise or drop, use # 336VS503505 or...
    view full answer...
  • What Size Zerk Fitting Will Replace A Damaged Lock N Roll Coupler
    I spoke to Lock N Roll and they use 6mm x 1 low profile zerk fittings in their Articulating Coupler # 336TS504. The low profile ones can be a little difficult to locate, but they are out there. We do have the Marlboro Replacement Brass Grease Zerk - 6 mm x 1.00 STD # MA35ZR that can technically be used, but it is a standard fitting and not a low profile.
    view full answer...
  • Trailer Side Couplers Compatible With Lock N Roll Articulating Hitch Vehicle Side
    I'll go ahead and give you the list of all the trailer side couplers that are compatible with the Lock N Roll Articulating Hitch w/ 3-Position Channel - 1-1/4" Receivers - Vehicle Side # 336VS503507. - Lock N Roll Articulating Coupler - A-Frame # 336TS504 - Lock N Roll Articulating Coupler - 3" Channel # 336TS508 - Lock N Roll Articulating Coupler - 2-1/2" Channel # 336TS506 - Lock N Roll Articulating Coupler - 2" Channel # 336TS528 So the right coupler is simply going to depend on...
    view full answer...
  • Will Lock N Roll Articulating Coupler Fit 2020 Sunset Park Traveler
    From what I can tell based on the photos I looked up of your 2020 Sunset Park Traveler it does have an A-frame coupler on it so as long as the frame is weldable then yes, you can use the Lock N Roll Articulating Coupler - A-Frame # 336TS504. You will also need the vehicle-side attachment, and we have a number of options based on the rise or drop you may need. - No Rise or Drop: Lock N Roll Articulating Trailer Hitch for 2" Receivers - Vehicle Side # 336VS501 - 2-1/2" Drop or Rise: Lock...
    view full answer...
  • Articulating Coupler For A-Frame on Jayco Trailer
    We can get your Jayco trailer set up with an articulating coupler to replace its current standard coupler. Since your trailer has an A-frame, there is one coupler that is going to work as a replacement, which is from Lock N Roll: - Lock N Roll Articulating Coupler - A-Frame - Trailer Side # 336TS504 This coupler has an 11,000 lb capacity, which is more than enough for your Jayco 12SRK. The other thing you will need is the compatible Lock N Roll hitch for vehicle, with the right one depending...
    view full answer...


< Previous
12



Do you have a question about this A-Frame Trailer Coupler?




  • Why etrailer.com?

    At etrailer.com we guarantee:
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate a-frame trailer coupler information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Cole B
Installed by:
Cole B
Employee Alexander C
Written by:
Alexander C

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.