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This hitch is rated for 21,000 lbs gross towing weight and a 4,000 lbs vertical load limit, so it’s ready for serious fifth-wheel hauling. The sturdy steel construction and rust-resistant black powder coat finish give it the backbone to handle long hauls with stability. Whether you're crossing states or backing into a tight campsite, the fixed base keeps everything solidly in line.
The wraparound jaw completely surrounds the king pin for full 360-degree contact, eliminating the slop you get from slide-bar jaws. That solid engagement means less rattle and more confidence when you hit the highway. A 3/4" thick, solid steel locking bar reinforces the connection and automatically locks as the jaw closes, adding an extra layer of security so you can tow knowing your trailer is locked in tight.
The double-pivot head moves both front to back and side to side to make hookup easier and towing smoother. Built-in polyurethane dampeners cushion the motion and cut down on noise, so the ride feels steady even over rough patches. The hitch head naturally tilts into position when coupling, helping line up with your pin box without wrestling it into place.
Setup is quick thanks to the lightweight, 2-piece design—just attach the base to the included Curt Double Lock gooseneck ball and slide in the head assembly. Three height settings (15-1/2", 17-1/4", and 18") let you dial in your trailer’s level. When it’s time to use your truck bed again, lift off the hitch pieces by hand for a clear surface. The underbed kit doubles as a gooseneck hitch rated for 30,000 lbs GTW and 7,500 lbs tongue weight, giving you flexibility for different towing needs—all without leaving a bulky hitch behind.
This fifth-wheel hitch is not compatible with rotating pin boxes.
Alternate Instructions
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at etrailer.com. Today, we're gonna take a look at this Replacement Base Assembly for the Demco Recon Gooseneck-to-5th Wheel Trailer Hitch Adapter. This has a 21,000 pound gross towing weight capacity. Now this part will replace just the base assembly that's on the Demco Recon Gooseneck-to-5th Wheel Trailer Hitch Adapter, which is part number DM8550045. Now that adapter, we do sell separately on our website. Now this is just for the base assembly.
It does not include the hitch head. The hitch head bolts to this center post here. The hitch head, we do sell separately. It's part number DM6169. The center post right here that the hitch head attaches to, has three different height settings to fit your application.
And the hitch height is critical 'cause when you go to tow your fifth wheel, you do wanna make sure you're towing as level as possible. And hitch height is always measured from the top of the truck bed to the top of the hitch head. And now the hitch height settings on this center post, there's three holes in it. So it gives you a selection of three different hitch height settings. Either a 15-and-a-half inch, 17-and-a-quarter-inch or 18-inch hitch height setting.
You just pick the one that works best for your application. Now, this base also, when you do install this over the gooseneck ball, it does give you a three-inch offset for extra clearance of your fifth wheel. It is is a sturdy steel construction. Has a nice rust-resistant black powder coat finish on it. And it is a quick, simple installation.
Basically, this just installs over the gooseneck ball and it's held in place with the pin and clip. And also these two set screws right up front here. This part is made in the USA and again, the gross towing weight capacity on this base assembly is 21,000 pounds. But that should do it for the review on the Replacement Base Assembly for the Demco Recon Gooseneck-to-5th Wheel Trailer Hitch Adapter..
Ratings & Reviews
Todd
10/5/2022
Excellent hitch to date and still very happy. Have pulled my fifth wheel around the country with zero issues. I see people with $1800 hitches that have minor slop and problems hooking up at minor funny angles. This hitch is strong, simple, and very secure. No slop.
Sierra K.
10/21/2021
I have a solution to your issue. The bag with the bolt and nut for the hitch handle should have came with a small round dampener that stops the hitch head from flopping back and forth in the truck. The urethane compresses under a load so it does not restrict the fore and aft movement when coupled. Before you attach the hitch head to the saddle assembly the dampener will need to be installed. Simply press it into the hole that is punched into the bottom side of the hitch as shown in Figure A of the instructions: https:cdn.demco-products.comdocumentsHJ26169.pdf
Roger O.
8/23/2023
It works really well. I use it to pull my fifth wheel trailer loaded with firewood firewood to central GA from south GA.
Ernest
1/12/2026
I love it
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Kevin
11/20/2023
Pretty good. Still rotating a little. I tightened the main bolt to the ball more than the 30lbs. It’s not rotating as much as it has been. Still haven’t figured out if or where I would drill a hole for a bolt to go in. I’m not really wanting to do that yet.