King pin coupler allows you to pull your gooseneck trailer with a fifth-wheel hitch. The height easily adjusts to fit your application. Round inner tube is included, heavy-duty load-bearing pin (GCPN-PIN) is sold separately.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Randy: Hey guys, it's Randy here at etrailer.com. Today we're taking a look at an adapter that allows us to switch a goose neck style trailer over to a fifth wheel with a king pin, so it'll work in our fifth wheel hitch. Now, a lot of times customers ask for products like this basically because maybe all through the week you're having a goose neck utility trailer for work, but then on the weekend you've got a fifth wheel camper you like to head out with.Maybe you've got a goose neck horse trailer and a fifth wheel camper and you want to be able to haul them both without going through the entire process of removing your fifth wheel and then placing in some kind of x plate adaptor or something along those lines. This is going to allow yo to switch your goose neck coupler out.Now, this has been designed to work and slide into most of your four inch round style goose neck couplers. It has a pin that goes through just like a goose neck coupler and a set screw here. The plate itself side to side is going to be nine and seven eighths of an inch.
That does a great job of spreading that energy out over a greater area and it's really well built.It's got really good welds on it. You can see out king pin here. It's going to be standard size, so it's going to work with any type of fifth wheel hitch. Slide right in there, lock it down, you'll be ready to go.You can see with the heavy duty construction all the really nice welds everywhere, this gives us a really good capacity. We're rated up to 25,000 pounds, so that should take care of a lot of the goose neck trailers that you intend on hauling.
It is an unpainted king pin. You can see here it's got a raw steel finish to it. With it being raw steel, you're able to paint that to match your trailer. So basically when you get it, you'll of course, want to sand blast it or wipe off any of the machining oils, have it painted to match, get it installed and it'll look really nice.Of course, fifth wheels aren't always the same height. Some of them are a little higher, some of them are a little lower so what we've done is put four holes in.
They're on two and eleven sixteenths at the center, so that's going to give us about eight inches of adjustment so we can most closely match our fifth wheel and keep our trailer riding nice and level.Installing the fifth wheel adaptor is going to be just like installing a goose neck coupler. We're going to place this up and in, bring it up to line up our pin holes, then slide our original pin through and we'll need to clip that into place. Once you've got that in place, we'll need to run our set bolt down. We want that to make contact, then with an inch and a either wrench, we're going to tighten that down to specification.Once that's torqued out, you need an inch and an eighth wrench and we want the jam nut to come down and make contact with the weld nut and they'll we'll apply a little bit of torque to that just to make sure that doesn't back out on it.That's going to complete our look the adaptor that allows us to switch a goose neck style trailer over to a fifth wheel with a king pin so it'll work in our fifth wheel hitch.
Average Customer Rating: 4.6 out of 5 stars (29 Customer Reviews)
King pin coupler allows you to pull your gooseneck trailer with a fifth-wheel hitch. The height easily adjusts to fit your application. Round inner tube is included, heavy-duty load-bearing pin (GCPN-PIN) is sold separately.
Just exactly what was advertised. The product was what I needed and the customer service was above reproach. I will be a return customer. 620150
Works great. Allows us to use the 5th wheel hitch for both the horse trailer and 5th wheel. Easier fir myself to hook up as well. 539490
Good 2 day delivery. Good customer service Brenden was right there straightened out the 2nd order (my mistake) and confirmed both were shipped. The product looks good will know more after installation thanks 590486
Great product. Very well constructed and easily exchanges with my goose neck ball reciever. 357464
Robert E - 03/23/2018Great product for the price! 763242
Same as the other item. Excellent produ ct. 749551
works perfect 745414
This is the second I have bought from etrailer as I bought another gooseneck trailer and needed another adapter. These work great and are so simple to switch out. 718946
This makes hooking up my trailer so much easier than the goose neck. Easy to install since i already have a 5th wheel hitch in my truck. All it took was a little paint to match my trailer and ready to roll. On took like 4 days to get my order. Will be getting more products from them in the future. 710945
For the price you would think the product would have been painted or powder coated other than that I enjoyed the product the hitches work great. Thank you for building a very Superior product! 696557
Fit perfect, works great 655258
Good parts and service I will continue to buy from etrailer 573327
Great product. 529137
Paid a few bucks extra to get it here in two days. Actual price for shipping was less then the quote while buying, that was awesome. Minor detail was the fact that my trailer pin holes were not in perfect alignment with the world, but it really does not matter once its hooked up. And on top of that, anyone buying this hitch, is not hooking to a 40,000 lb trailer and needing the truck to raise the trailer. Hitch is fine just not 100% straight to the world. This is an amazing part. Yes its bare metal and yes there are a few sharp edges that could be cleaned up. BUT, if you are looking for a show piece then buy the one that cost $300.00 bucks. If you want quality and functionality then this kingpin adapter is amazing. I will swap this adapter every time I hook to a crappy goose-neck bone shaker. 514943
Thank you for getting me the new part so fast 490911
Great quality. Quick shipping. 488420
Works very well. 476984
Product had some sharp edges that I easily ground clean. I have not used this adapter yet as my trailer towing plan had changed. However I will keep for future towing of gooseneck trailers. I think it is well built and will handle the task it is intended. This adapter is a good tool to have in your arsenal when the towing of gooseneck trailer with a fifth wheel hitch. 471216
just the part i needed and Man did it get here fast. Thanks 462731
Works great. saves me from removing my fifth wheel hitch to pull my gooseneck trailer since i use my fifth wheel for work it is always in the bed of my truck. Others i have looked at are smaller if you are planning on carring it in your toolbox for multiple trailers but for my application it works great i prefer the bigger pad since my trailer has a lot of tounge wheight thanks again etrailer 454503
Great price and customer service. Product was delivered on time and I was notified by the etrailer staff the moment it arrived at my house. Very well built and sturdy product. The only negative I would say is the plate is very rough. I spent a half-hour grinding on it to make it smooth enough to take it to powder coat. A little more finish work on the final product would be nice so the consumer doesn't have to put labor into it before they can paint or powder coat it. 452876
everything was just fine, tube fits like it should 447999
Product was very well built...order was held up from shipment due to holiday...I assume...took two call backs to get it to shipp. but all in all a good company and great product. 431314
fit was perfect, and works great. already been used. however the metal finishing was poor. lots of burrs to grind off with the flapper wheel. 413658
This adapter is a very strong well constructed unit that comes unpainted so you can paint it to match your trailer. Etrailer was recommended to me by a friend and I am happy to find this company. They are competitive, have a well rounded product offering, and an easy to use website. 409482
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