Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
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etrailer/
Gooseneck Trailer to Fifth Wheel Hitch/
Replaces Inner Tube/
Adapts Trailer/
Gooseneck Coupler AdaptersItem # KPG5-R25-IP
Our Price: $125.58
This item qualifies for Free Shipping
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:
Video of Gooseneck to 5th Wheel Trailer Coupler Adapter - Inner Tube - Round - 25K lbs
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to take a look at the round inner tube goose neck to fifth wheel trailer coupler adapter. This has a twenty-five thousand pound weight capacity. Now this is a goose neck to fifth wheel inner tube adapter that'll let you tow your goose neck trailer with a fifth wheel hitch. The round inner tube portion will fit most standard square goose neck outer tubes, and at the very bottom underneath the plate here you'll see it has a kingpin that'll slide into your fifth wheel hitch. It is an adjustable height design, you can see it has the four holes on it to put it at the correct height to fit your application. It is a sturdy steel construction. If you notice right down here between the tube and the plate, they use heavy gusseting between it to help give it more support.
It is a raw finish. It is SAEJ2738 compliant. I do want to measure and give you a few specs on this. Now the outer diameter on this, this is the inner tube, so we'll measure outer diameter from outside to outside. You can see it's going to be right at four inches. The range of the vertical adjustment using these four holes is going to be eight inches.
Basically that would be measured from the center of the lowest hole to the center of the tallest hole. There's your eight inches, and the distance between each hole center to center is going to be right at two and eleven sixteenths. Now the pin hole diameter is seven eights of an inch. The plate, the dimension on that it's a square plate so it's going to be ten inches by ten inches. If you notice on the bottom I showed earlier there's a kingpin here. It's an industry standard two inch diameter that will fit in most all of your fifth wheel hitches.
Again the weight capacity on this is twenty-five thousand pounds. That should do it for the review on the round inner tube goose neck to fifth wheel trailer coupler adapter, with a twenty-five thousand pound weight capacity.
Average Customer Rating: 4.5 out of 5 stars (21 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. by: Mark10/10/2018
Good parts and service I will continue to buy from etrailer 573327
by: Albert01/29/2018
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
by: RogerD07/23/2017
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
by: Tom05/31/2018
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
by: Mike11/17/2017
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
by: Carl Y12/13/2018
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
by: Carolyn07/09/2018
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
by: Lucas07/01/2018
Great product. 529137
by: Raymond03/30/2018
Thank you for getting me the new part so fast 490911
by: Walter03/23/2018
Great quality. Quick shipping. 488420
by: Paul02/19/2018
Works very well. 476984
by: Bradley12/26/2017
just the part i needed and Man did it get here fast. Thanks 462731
by: Chris11/24/2017
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
by: Todd11/01/2017
everything was just fine, tube fits like it should 447999
by: Cajun Bottoms09/11/2017
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
by: hal08/01/2017
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
by: Will P.05/19/2017
Received my product within a week, fit perfect, needed it to move our horses to Colorado with our semi. Very pleased with our purchase would recommend to everyone. 382518
by: Robert E.03/23/2017
Great product. Very well constructed and easily exchanges with my goose neck ball reciever. 357464
Great product and service was outstanding.
Robert E - 03/23/2018by: Mike S.03/11/2017
Great buying experience! Great product at a great price with fast shipping! What more can you ask for! 351519
by: Danny W.02/17/2017
Although the first shipment of the gooseneck to fifth wheel hitch was not what I had ordered. After a quick phone call to Etrailer they emailed the return information and I received the correct part thre days later. 343003
by: Jim J09/03/2016
Order came quickly. Web page easy to use. Bought adaptor to convert goose neck to fifth wheel. Adapter in order to plug in trailer lights/brake plug into my truck. Adapter cheaper than making one from scratch. 290876
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