Fulton Fold-Away Coupler Hinge Kit for 3" x 3" Tongue - Bolt On - Up to 5,000 lbs

Fulton Fold-Away Coupler Hinge Kit for 3" x 3" Tongue - Bolt On - Up to 5,000 lbs

Item # FHDPB330301

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Folding Tongue

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Fulton Fold-Away Coupler Hinge Kit for 3" x 3" Tongue - Bolt On - Up to 5,000 lbs 5000 lbs GTW FHDPB330301
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Product Images

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Customer Photos

Videos


  • Coupler Hinge Kit
  • 3 x 3 Inch Tongue
  • Fulton
  • 48 Inch Fold-Away Tongue
  • Bolt-On
  • 5000 lbs GTW
Use with actuators or standard couplers to create a foldaway tongue up to 48" long so that your trailer can be stored in even the smallest garage. Unique offset design guarantees superior performance. Call 800-298-8924 to order Fulton folding tongue part number FHDPB330301 or order online at etrailer.com. Free expert support on all Fulton products. Guaranteed Lowest Price and Fastest Shipping for Fulton Fold-Away Coupler Hinge Kit for 3" x 3" Tongue - Bolt On - Up to 5,000 lbs. Folding Tongue reviews from real customers.


  • All Info
  • Reviews (480)
  • Q & A (80)
  • Videos (1)
  • Photos
  • Why etrailer?

Fulton Folding Tongue - FHDPB330301

Use with actuators or standard couplers to create a foldaway tongue up to 48" long so that your trailer can be stored in even the smallest garage. Unique offset design guarantees superior performance.


Features:

  • Hinge kit lets you create up to a 48" foldaway tongue for your trailer
    • Designed to be used with actuators or standard couplers
  • Bolt-on installation
  • Sturdy steel construction
  • Corrosion-resistant, Z-max 600 zinc finish
  • Mounting hardware, pivot bolt and pivot pin and clip included
  • Not for use on aluminum trailer frames


Specs:

  • Application: 3" x 3" trailer tongue
    • Trailer tongue material thickness must be between.188" and.120"
  • Capacity: up to 5,000 lbs (see table)
  • 5-Year limited warranty


Use the table below to determine your maximum pivot length based on your trailer capacity. Pivot length is the measurement from the center line of the coupler ball to the farthest pivot hole.

Pivot

Hinge Kit Maximum Pivot Table

HDPB330301 Fulton High Performance Bolt-On, Fold-Away Hinge Kit for 3" x 3" Trailer Tongue



FHDPB330301 Installation InstructionsInstallation Details FHDPB330301 Installation instructions


Video of Fulton Fold-Away Coupler Hinge Kit for 3" x 3" Tongue - Bolt On - Up to 5,000 lbs


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Fulton Fold-Away Coupler Hinge Review

Speaker 1: Today we'll be having a look at the Fulton Fold-Away Coupler hinge for three inch by three inch channel tongue trailers, part number FHDPB330301. If you have a boat trailer like this or any other trailer that has a long, straight channel tongue on it such as this one, and you want to store it in your garage and have room to walk around, or be able to close your garage door to protect your investment, operating it is very simple.We'll simply pull this clip out, pull our pin out, then we can swing our tongue to the side. Now we can close the garage door. One nice feature about it is that we have these rubber bumpers that will prevent any rattling or prevent any damage as we swing it closed. You can see it's nice and quiet. Reinstall our pin.

As you can see as I try to move it along the pivot point, it's not moving. It's a very solid construction. So we don't have to worry about it rattling or our trailer swaying side to side as we're going down the road.Many of our customers have also been impressed by how well the finish holds up on it. Some have said even after a year of using it on their boat trailer, there wasn't any rust on it. Now, in order to help fight rust, the entire unit is coated with a zMAX 600 zinc corrosion resistant finish.

This is designed to work with three by three inch square channel tongue trailers. Now, keep in mind the length of your extension can reduce the amount of capacity that the Fold-Away unit offers.So, there's a few measurements you can keep in mind. From the center over where our ball goes into the coupler, to the furthest of our pivot point locations, can be a maximum of 48 inches, and the minimum recommended length is 24 inches. At 24 inches, we have the full 5,000 pound capacity, and the full 500 pound tongue weight capacity. At the maximum recommended length of 48 inches, from the center over where our ball goes into the coupler to our pivot point that's furthest away from the coupler, our capacity goes down to 260 pounds tongue weight, and 2600 pounds max gross trailer weight rating.

So, just something to keep in mind.Now, if you have a hydraulic surge coupler on your trailer, that's not a problem. You can still use a swing-away coupler without a problem. The only thing you need to make sure you have is a rubber brake hose that goes inside the pivot point, so you don't have to worry about the metal line becoming bent or breaking. Now, when comparing this to other fold-away coupler hinge kits for a three by three inch channel tongue trailer, is the Fulton Fold-Away Coupler hinge kit with a weld-on design. Now, when comparing this to the weld-on design, this one is a much easier install because you don't need to worry about welding it.

You can simply bolt it into place.Now that we've gone over some features, we'll show you how to get it installed. Now, typically, when you're installing a fold-away coupler, you're doing that so that you can shorten the length of your trailer so you can close it inside of your garage or take up less parking space. Now, in our application, our customer has a trailer that's already short, but wants to make it a bit longer so he can carry longer kayaks on this trailer. So we'll be adding a section of metal into our trailer.Now since we're adding length to our trailer, we're going to have to remove our bolt on coupler right here. Normally you can leave this in place if you're just cutting your coupler to add a hinge point to it. Now since on our trailer, where the coupler was we have some existing holes which are going to interfere with the new hinge and it was also torn here on the front, we're gonna cut off a small section. So we'll just use a cut-off wheel to remove this small section of metal.Alright, now that we have our end cut off and we have some nice clean edges, we'll take some spray paint to help prevent rust. Okay, I went ahead and made our marks where we're gonna drill out for our safety chain on our trailer, we just follow the instructions to find the correct location. We'll make a pilot hole and then we'll enlarge it. We'll do the same on the other side. Now we'll take the male end on our fold-away unit and we'll slide this onto the trailer end of our tongue.Okay, we'll just drive it on until it's straight and it hits our stop right here. You just go around on the perimeter of it, there's these stops in a couple spots, so once it's hitting all of those, you know you have it on straight. Okay, now since our fold-away trailer side is really on here snug, we don't need to worry about clamping it in place. If yours is loose, you can clamp it in place, use a center punch and mark the centers of your top four holes, then remove it and drill it out. But since ours is nice and tight, I'll just go ahead and drill right through the center and make a pilot hole at our four top locations.Now we'll enlarge our pilot holes to the size indicated in the instructions. Now we'll take our bolts and we'll place them through the top. Now we'll take our flange nuts, place them inside the coupler and throw them onto our bolts. Now we'll use a wrench to hold the nuts still as we tighten the bolts. Okay, now we'll torque these bolts to the amount specified in the instructions. Now that we have our hardware torches back on the top, we'll repeat the same process of drilling our holes and installing our hardware on the bottom.Okay, now that have the male end fully bolted to the section on our trailer that's not going to pivot, we can do the same process on either the section that we cut off, or in our case, the section that we're adding. So, we'll take the female end, place it over . Now in this instance, since this side's actually loose and we didn't have to hammer it on, we're gonna use the included punch to mark our location where we're gonna drill our holes. Step one there. We'll do the same in the other three locations on the top.Okay, with those four marks, we can slide it off and make our pilot holes. Now we'll enlarge our pilot holes. We'll slide the flange over, insert our hardware. Alright, we'll insert our flange nuts. Keep in mind this is the same hardware as we used earlier. And now we'll torque our hardware. Now that we have our hardware attached to both sides, we can attach our tongue to the trailer itself. Now, our pivot point is the side furthest away from our trailer, so it's this one right here.We'll take some white lithium grease or grease of any sort and lubricate inside where the bolt goes. We'll do the same on the tongue side as well, and slide it over, and we'll drop our bolt through. We'll now take our nylon lock nut and we'll thread it onto our bolt. We'll now tighten down our bolt. Now we'll take our pin and drop it through and secure our coupler. With our pin in place, it'll make it easier for us to torque our bolt to the amount specified in the instructions.We now have the tongue swung open and we can place our rubber bumpers into the holes here. Just push these into place. Maybe use a screwdriver sometimes to help push them in, but if you twist the same time as you push, they go in fairly easy. Now we'll go ahead and reinstall our coupler. Since we added length to our trailer, we will have to drill new holes, but if you are just putting your fold-away coupler onto an existing trailer, you don't need to worry about that, your coupler will already be on the part that you cut off. And that completes our look at the Fulton Fold-Away Coupler hinge kit for three inch by three inch channel tongue trailers part number FHDPB330301.


Customer Reviews

Fulton Fold-Away Coupler Hinge Kit for 3" x 3" Tongue - Bolt On - Up to 5,000 lbs - FHDPB330301

Average Customer Rating:  4.9 out of 5 stars   (480 Customer Reviews)

Use with actuators or standard couplers to create a foldaway tongue up to 48" long so that your trailer can be stored in even the smallest garage. Unique offset design guarantees superior performance.

- FHDPB330301

by:


I recieved the coupler last night and install it today. It was top quility and every thing I needed came with it. It is going to save me a lot of money in storage bacause the boat will fit were it couldn't before. 8202



- FHDPB330301

by:


Best accessory yet for my 17' Tracker & trailer. Fits nicely in my garage now. Installation, although time consuming, was easy - the directions were spot on. Now I just need to get extensions for my safety chains so I can mount behind the fold-away bracket. Would recommended this for anyone needing to take advantage of the limited space. 98097



- FHDPB330301

by:


Bought a used boat and it needed to fit in the garage. This was the best option and it turned out great. The product details were a big help for the fit and installation. Took about 2 hours and make sure you have a good bit to drill the holes. I stumbled on to etrailers website and no need to look any further. It's hard not to get the right part with all the details and pictures they provide. I have bought several items and the quality is high, price is fair and ships on time. I've sent my buddies your way and I'm working on another order...Thanks! 57439



- FHDPB330301

by:


This is a great product! Very well made, easy to install, and the convenience of folding the tongue out of the way is by far it’s greatest selling point. The hinge was designed to be stronger than the tube itself, and it truly is. I have absolutely no fear of it failing. My only regret is that I don’t own the patent on this product. 572113



- FHDPB330301

by:


Great product. Was not difficult to install with the clear instructions provided by eTrailer and worked great towing for the boating season. No problems after 1 year of use. 457754



- FHDPB330301

by:


This product was exactly what I needed to fulfill three objectives: 1) I needed to lengthen the tongue of my trailer and yet fit the trailer and boat in my garage too. 2) The longer tongue allows me to keep my wheels out of the water, especially since the drought in CA has necessitated going beyond the ramps. 3) I find that a longer tongue makes it easier to back the trailer and is better for towing. The product is very sturdy and easy to use. 266833



- FHDPB330301

by:


Great product, easy to install. 189089



- FHDPB330301

by:


I have installed my hinge and all went well. I haven't had a chance to take it out and pull it down the road, but I suspect all will go well. The installation went well and it was actually pretty easy to put on. I have included a few pictures of my install if you need them for anything. Thanks 388519


Comments

It is still working well. I dont use my boat a lot but the hinge does just what I wanted it to do. I can now fit the boat in my garage and close the door since I can collapse the tongue of the trailer. Thanks for your followup

Tom G - 06/07/2018

39363

- FHDPB330301

by:


I have not had the opportunity to install the Fulton fold-away coupler hinge on my trailer, however I wanted to comment on the service provided by etrailer.com - it has been outstanding! Excellent communication on the status of delivery and very helpful in exchanging a part when I incorrectly ordered the wrong size. A super company that strives to help the customer. 441553


Comments

I installed the folding tongue this past spring. The installation instructions were clear and concise and included the ratchet bits and drill punch to support the installation. The hinge required extensions for my trailer safety chains to complete the installation, which was the only additional part I needed to complete the project. It made parking my boat in the garage much simpler due to limited garage depth. Overall, a great product and I am very satisfied with it.

Bill V - 10/12/2018

44532

- FHDPB330301

by:


Product was exactly as represented. Well made, and a perfect fit. This bolt on version (there is also one that can be welded) is a pretty big job especially if you are working alone. You'll need some high quality drill bits and several hours of working time, but the end result is worth the effort. If space in your garage is a problem, this may be the answer. It will fold the trailer tongue out of the way and save approximately 24 to 30 inches of trailer length. Allowed me to get my boat into the garage and out of the weather. 391615


Comments

Product is still working fine. No complaints.

Rodger K - 06/10/2018

39571

- FHDPB330301

by:


Installation was easy. I installed it in a Shorland'r trailer. It took me about 2 - 3 hours including clean-up. I am 100% satisfied! All the hardware, Torx drive, prick punch and safety stickers were included. Instructions were clear and easy to follow, but I was surprised it called for torque of 75Lbs. on each bolt. Tools used were a pencil, square, high tension hack saw (18TPI), file, prick punch (included), hammer, safety glasses, 18V portable drill w/ 1/8, 1/4, 3/8 & 1/2 bits, Torx socket (included), 3/4 box-end wrench, 12" adjustable wrench & torque wrench. I also added a sheath to the wiring to reduce any chaffing that may occur across the new hardware. You may want to consider additional safety chains depending on haw far back you reinstall them on the tongue. One other note: The 3x3 box tube tongue on my trailer was a bit small. The coupler easily slid over the 3x3 box tube. I had to draw up the bolts to ensure a tight fit. I used a large adjustable wrench on the Torx socket with a small length of pipe on the end of the wrench (for mechanical advantage purposes). It drew up and tightened just fine. Overall, it was an easy install. It did exactly what I bought it to do! 62289


Comments

Scott, I am considering buying this item. Your trailer appears to be similar in stature to mine, a Karavan 1500 roller with a 16 lund. Fulton calls out .122 inches minimum thickness for the tongue and mine mics out at only .106 inches. I called Fulton and their tech dept. would not recommend the install due to liability of course. My tongue length would be 2 or less. I was wondering if you checked your tongue thickness and if it may fall short like mine does? If so since youve had yours for a couple years now, have you noticed any issues? Slop or play in the bolt connections, or anything similar that would go to steel thickness? I am considering installing anyway and I would value your in the field experience especially if your steel happens to be a bit skinny also. Thanks.

-- comment by: Ken B - 09/10/2014

6767
Comments

Hi Ken:I do not recall putting a micrometer on the wall thickness. I think I got it off the Shorlandr data I had in the manual or on-line. Nevertheless, in my comments I did note my box tube was a bit small and had to use some mechanical advantage to draw it tight.I never had any issues whatsoever with any of the Fulton hardware or installation. Everything works perfectly. It has been rock solid. I would not be too concerned with your wall thickness as the boat, motor and trailer are not all that heavy. It will certainly not over stress the Fulton hardware. If you were maxing out the weight limits I might be more concerned.Good luck!Scott...

-- comment by: Scott - 09/11/2014

6786

- FHDPB330301

by:


Thanks for such a great buying experience on line. Again. Ordered Sunday afternoon and the package arrived as advertised on Wednesday. Exactly as I ordered and with excellent instructions. As you can see from the photo it is a done project. Thanks. 50312



- FHDPB330301

by:


Just finished installing my 3 x 3 coupler on my boat trailer. It took me about 2 1/2 hours and everything went smoothly. Now it fits in my garage nicely with room to spare. The instructions were very helpful and it works great. Thanks etrailer Tom 459705



- FHDPB330301

by:


Hi there . I just want to say this swing out hinge is great love how easy it is to install and use . I'm done with the install and I need to add my safety chain . But hear are some pics of my install and a new hitch as well. 120204


Comments

There has been no issues so far . It mostly gets used in the summer time . But it great Thanks.

Johnnie - 03/11/2015

9977

- FHDPB330301

by:


Got my Fulton bolt on swing tongue kit with fast shipping and great follow up customer service. The instructions and online videos made the installation as simple as it was advertised. Quality components. I bought this to install on my dad's boat trailer as a birthday surprise. He turned 81 today and am going to unveil his transformed trailer as a birthday gift. Looking forward to getting out there and fish with him using our new Fulton product. THANKS E TRAILER FOR THE AWESOME SERVICE!!! 334368



- FHDPB330301

by:


Great product all the hardware you need. If you need a folding tongue buy this one 572799



- FHDPB330301

by:


High quality product from a high quality retailer. Thank you. 571770



- FHDPB330301

by:


LONG TRAILER, SHORT GARAGE, SIMPLE FIX. 571508



- FHDPB330301

by:


Very great product 571540



- FHDPB330301

by:


Easy to install, works as intended, no rattling, everything is tight fitting. Was able to put my boat in the garage by taking 2.5 feet of the overall length. Will use e-trailer again they always treat me right. 558640



- FHDPB330301

by:


Just finished mounting looks good and easy to install. Seems good and solid so I don't think it'll rattle much. 555230



- FHDPB330301

by:


It's exactly what I was looking for. Easy to install and works as it's supposed to. 554156



- FHDPB330301

by:


Heavy duty construction. Fit great and works great. Pretty simple to install. 554137



- FHDPB330301

by:


Product was easy to install and has worked great. Very robust, well engineered and built. I use this on a waverunner trailer so it fits in my toyhauler and it is great. Would definitely buy again. 550481



- FHDPB330301

by:


just what we needed very good quality and good service we are using this on our jet ski trailer so we can shorten it up to fit in our toy hauler. Thank you so much for getting it to us fast ,have a great day. 549811



- FHDPB330301

by:


This has been an excellent product. You’ll want to have a good drill bit and a heavy drill (3 inch square tube trailer tongue) for the installation but this is a one person job. This tongue joint is probably stronger than the rest of the tongue on my boat trailer. If you need to fold a trailer tongue for storage this is the only route I would take. Buy this product, because it works. 603446



- FHDPB330301

by:


Great product, easy instillation! 602897



- FHDPB330301

by:


Just as described on the website and super quick shipping. Received it much quicker than expected. 598244



- FHDPB330301

by:


Good quality product that was easy to install and solved our problem of the trailer tongue being too long to fit in the garage. Thank you for the solution. 592804



- FHDPB330301

by:


I absolutely love the fold-away coupler hinge on my boat. It leaves me so much room now being able to swing the trailer tongue. It was easy to install! 591276



- FHDPB330301

by:


Great product, only way to shorten my new boat trailer. Fit well, works like a charm. 589821



- FHDPB330301

by:


The hinge is very good quality. The only thing I saw in the instructions was the picture on the box was upside down from instructions. I liked the way it was mounted on the box so I turned it over. I had to cut light wires and replace plug end to make it longer. And might be better if longer chains and bolts were in kit. Thanks: Pete 588903



- FHDPB330301

by:


I am very happy with my purchase of the Fulton fold away coupler hinge kit. It is great quality and allows me to fold back the tongue for easy storage in my garage, driveway, or storage unit. 585667



- FHDPB330301

by:


Works great. Easy installation. Boat now fits into garage by 1 inch. 584225



- FHDPB330301

by:


Excellent product. Very heavy duty. Comes with everything you need to install including clear instructions and a specialty punch to ensure properly drilled holes. 583691



- FHDPB330301

by:


Great product well made 581828



- FHDPB330301

by:


Solidly built product, fairly straightforward installation. One issue is the part did not have the holes in it for the dampening plugs it came with (little rubber bumpers sandwiched between the swing ends). I had to drill two 1/4 holes in the cast piece which ruined two drill bits... 520664



- FHDPB330301

by:


Very good. I had bent the tongue of my boat trailer and getting it straightened was not happening. With this product I cut the bent tongue out and replaced it. Now I also am able to swing the tongue away and store the trailer and boat in my garage. Comes with everything you need to complete the job. 518376



- FHDPB330301

by:


I was worried about doing a proper installation but it was easy and it performs perfectly. I'm pulling a 16.5" deep-V fishing boat on an E-Z Loader trailer. If you have limited space, you need this! Thanks etrailer.com ! 509201



- FHDPB330301

by:


This was exactly what I needed to rebuild my boat trailer. 477543



- FHDPB330301

by:


SAD ENOUGH I HAVENT PUT IT ON YET. 473829



- FHDPB330301

by:


This is the best accessory I've purchased for my boat! The amount of space it saves in the garage is amazing! It's well engineered and constructed. The install instructions were detailed and easy to follow. Installation took some time, but was not overly difficult with the correct tools. 473249



- FHDPB330301

by:


I installed the swing away on my Gregor fishing boat and it performs perfectly, would recommend it to anyone, easy to install too. 472551



- FHDPB330301

by:


Great product! Heavy duty and well made. Great service! It is unusual in today's business transactions to have such prompt and frequent communication! 467928



- FHDPB330301

by:


good quality 464514



- FHDPB330301

by:


Wonderful product. Worked out great and was easy to install. 463783



- FHDPB330301

by:


Has worked as expected. Good product! 461413



- FHDPB330301

by:


Came really fast no hassles. Product was not damaged you'll get all my future trailer needs 460041


Comments

I really like it works great no issues on installation. Awesome product! I do have a question Im curious once installed on a trailer could it be removed and reinstalled on another trailer without any safety concerns

John - 12/14/2018

46723

- FHDPB330301

by:


A great item for those who need just a "little" more room where You park your boat.... with this easy to install product I reduced my storage length for a 21' boat by two feet!!!! Works great!!!! 459991



- FHDPB330301

by:


It is working just as I was hoping that it would. The install wasn't too difficult. 459271


Comments

No issues at all

Shane C - 12/11/2018

46596
71
533
Show More Reviews

Ask the Experts about this Fulton Folding Tongue
Do you have a question about this Folding Tongue?


  • Should I Use a Bolt On or a Weld on Fold Away Coupler On a Shorelander Trailer with 3x3 Frame
  • I more or less agree with you. The Fulton Fold-Away Hinge Kit for 3 x 3 inch Trailer Tongue - Weld-On, item # FHDPW330300, is a cleaner look and if you got a bad weld job you would not have a safe setup. I have done some welding, I am in no way a professional weldor, and in my limited experience a good weld will not fail before the steel it is welded to will fail. If you like the clean look of the weld on I would have a certified weldor perform the operation. If you take the trailer to...
    view full answer...

  • Where to Attach the Safety Chains After Installing the Fulton Fold-Away Coupler Hinge Kit
  • You will need to locate the safety chains before the cut that is made to install the Fold-Away Coupler Hinge, # FHDPB330301, to be in compliance with DOT regulations. Normally the chains are welded to the bottom or side of the trailer framing, and ran forward. I would have a qualified weldor, weld a Safety Chain Loop, # E950, to the bottom of the trailer frame, before the fold way cut, and then attach safety chains, like part # 2118-348-04, with Safety Chain Quick Links, # 2114-553-04....
    view full answer...

  • Swing Away Hinge Kit Recommendation for Boat Trailer
  • It sounds like you have a standard pole tongue trailer and are looking for a swing away hinge kit. We offer a few of these kits that are designed to fit several frame sizes. The part # FHDPB350101 will work if you have a 3 by 5 inch trailer tongue. The part # FHDPB340301 will fit 3 x 4, the part # FHDPB330301 will fit 3 x 3 and the part # FHDPB230101 will fit 2 x 3. You will need to measure your trailer tongue so that you can pick out the correct kit. I attached an install video...
    view full answer...

  • Availability of Folding 3 x 3-Inch Trailer Tongue Coupler for Aluminum Trailer
  • We do offer a number of different fold-away couplers for various sizes of straight trailer tongues but these are intended only for use on steel trailer frames. Aluminum trailers, for all their good non-corrosive and lightweight nature, are simply not strong enough to allow the attachment of a hinged tongue mechanism like # FHDPB330301 and the others shown on the linked page. You can make absolutely sure by contacting Shorelander with your trailer's VIN number. As the maker of your trailer...
    view full answer...

  • Does the Trailer Tongue Need to be Cut at an Angle to Install a Fulton Fold-Away Coupler Hinge
  • You would want to just cut straight across when you install the Fulton Fold-Away Coupler Hinge Kit # FHDPB330301. You could cut the coupler at the same angle as the hinge if you really wanted to, but it is not required.
    view full answer...

  • Replacement Clevis Pin for Fulton Fold-Away Coupler Hinge Kit
  • We offer two clevis pins that come close to the dimension you're looking for. The # MT70053 measures 5/8 of an inch in diameter and 3-5/8 inches long. Part # 586H measures 5/8 by 6 inches long. If you were looking for a replacement clevis pin for the Fulton folding trailer tongue, we do offer those. For a hinge for a 3x3 tongue, use # F500334 For a 3x4 tongue, use # F500335 For a 3x5 tongue, use # F500336
    view full answer...

  • Installation Tips When Installing Fold-Away Coupler Hinge Kit, Part # FHDPB330301
  • Any drill bit designed for drilling through metal will work, although tungsten carbide bits are the best (although pricey). Here are a few tips for drilling through metal. Start with a small bit, drill a pilot hole and switch to an intermediate sized bit, followed by the final diameter. Drill at a slow speed, while applying steady pressure. I suppose you could use a hacksaw to cut your trailer tongue, but it would take quite some time and many, many blades. Your best bet would be to...
    view full answer...

  • Can Fulton Fold-Away Coupler Hinge Kit # FHDPB330301 Be Used on Aluminum Watercraft Trailer
  • The Fulton Fold-Away Coupler Hinge Kit # FHDPB330301 that you referenced cannot be used with an aluminum-frame trailer. This is true for both weld-on and bolt-on kits. The issue is not due to difficulties related to welding aluminum (though this would be a separate concern) but rather has to do with welding different metals (with different melting points). Steel-frame trailer tongues have the rigidity and strength to allow use of a folding coupler but an aluminum trailer tongue does not.
    view full answer...

  • How Deep is the Fulton Fold-Away Coupler Hinge Kit for 3x3 Inch Trailer Tongues
  • On the Fulton Fold-Away Coupler Hinge Kit, # FHDPB330301, the depth where the tongue fits inside the hinge is 4 inches deep at the longest point and 3-1/4 inches at the shortest.
    view full answer...

  • Availability of a 2 to 3 Foot Fold-Away Trailer Coupler Hinge with Attached Coupler
  • If you are needed a coupler and tongue that is already attached to a fold away hinge, we have # T4839000 for hydraulic drum brakes or # T4839100 for hydraulic disc brakes. These couplers will fit a 3x3 tongue using 2 of the spacer # T4842100. The pivot length is 21-1/2 inches long. But if you are looking for a 2 to 3 foot extension to the tongue you have, you will need to have a qualified welder in a machine shop of shop that works on trailers fabricate an extension for you. The work...
    view full answer...

  • Installation of Fulton Fold-Away Coupler Hinge Kit # FHDPB330301 On a Trailer
  • You will want to make sure when installing the Fulton Fold-Away Coupler Hinge Kit, part # FHDPB330301, that the distance you put the hinge at on the trailer tongue will still allow you to maintain the correct weight capacity and tongue weight for your trailer. The Fulton Fold-Away Coupler will fit a 3 x 3 inch tongue and the maximum distance (pivot length) you will want to mount the hinge at on the tongue is 48 inches. This would create a 48 inch foldaway tongue on your trailer. At that...
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  • Recommended Fold Away Tongue for Boat Trailer
  • If you need a fold-away tongue on your boat trailer, then I recommend the Fulton Fold-Away Coupler Hinge Kit for 3" x 3" Tongue - Bolt On - Up to 5,000 lbs # FHDPB330301. This coupler hinge is corrosion-resistant with a Z-max 600 zinc finish. I recommend the Fulton Fold-Away Coupler Hinge Kit for 3" x 5" Tongue # FHDPB350101 or # FHDPB340301 for a 3"x 4" tongue. I recommend the # FHDPB230101 for a smaller 2x3 inch tongue.
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  • Weight Capacity of Fulton Fold-Away Coupler Hinge Part # FHDPB330301
  • I have spoken with one of our contacts at Fulton, who tell me that exceeding that 5000 lb capacity is NOT recommended. The Fold-Away kit is designed for a static weight of up to 5000 lbs, but that figure can be momentarily exceeded each time you hit a bump or a pothole. I would recommend taking your boat to a truck scale to verify the actual weight of the boat and trailer. If you find that you are under the 5000 lb figure, the Fulton Fold-Away kit would work very well for you.
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  • Availability of a Flexible Brake Line for Use with a Fold-Away Trailer Coupler
  • Since your existing brake line going to the brake actuating coupler on the trailer tongue is a hard line, it will need to be replaced with a flexible line, like # 18018-SF, at least to the point where the Fulton Fold-Away Coupler Hinge Kit, # FHDPB330301, is installed.
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  • Trailer tongue size for fold away coupler
  • The Fulton Fold-Away Coupler Hinge Kit, part number FHDPB330301, will fit 3 inch by 3 inch tubing. Since the hinge would slip over the tubing, the thickness of the tubing would not present a problem.
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  • How to Install Weld-On Folding Trailer Coupler on Trailer Frame
  • The Fulton Fold-Away Coupler Hinge Kit # FHDPB330301 fits only a 3 x 3-inch trailer tongue. We do have other sizes of folding coupler, all are shown on the linked page, but none fits a 2-1/2- x 2-1/2-inch trailer tongue. To use one of these on your trailer you will need to use a 3 x 3 weld-on type coupler like # FHDPW330300 and have the qualified welder who will install it also install steel spacer plates on the trailer tongue before welding the coupler into place.
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  • Using Surge Brake Actuator on Trailer with Fold-Away Coupler Hinge
  • If your trailer is equipped with a fold-away coupler hinge like # FHDPB330301 then you can still use a surge brake actuator like the excellent Titan Zinc-Plated # T47154107K. The only thing you will want to add is a flexible brake line across the hinge like the Titan # T0776500 to accommodate this function. Please note that the Kodiak Disc Brake Kit # K2HR35D referenced in your question includes rotor-and-hub assemblies, calipers, mounting brackets, and mounting bolts but it does not...
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Info for this part was:

Expert Research:
Michael L
Written by:
Lindsey S
Expert Research:
Robert G
Expert Research:
Patrick B
Expert Research:
Michael H
Expert Research:
Jeff D
Expert Research:
Jameson C
Video by:
Joshua S
Expert Research:
Adam R
Updated by:
Laura H
Photos by:
Jim W
Expert Research:
Lori W
Photos by:
Amber A
Expert Research:
Jeffrey L
Photos by:
Sam P
Video Edited:
Chris R
Photos by:
Sarah H
Installed by:
Brent H

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