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This hitch automatically slides up to 14" as you turn, giving your truck and trailer the clearance they need on tight corners or when backing into a site. The built-in rack-and-pinion design keeps that sliding motion smooth and controlled, so the hitch moves back toward the tailgate at slow speeds and returns forward when you straighten out. You never have to leave the cab to pull a manual lever—just turn and let the Autoslide do its job.
The single-piece wraparound jaw surrounds the king pin for 360-degree contact, creating a firm connection that cuts down on rattling and chucking while you’re on the road. A solid 3/4" thick steel locking bar sits in front of the jaw for added security, automatically locking when the jaw closes. The result is a ride that feels stable and quiet, even with heavy loads up to 18,000 lbs GTW and 4,500 lbs vertical load.
The double-pivot head moves both front to back and side to side, which makes hooking up easier and helps absorb bumps as you drive. Three polyurethane dampeners cushion those movements, cutting down on road shock and towing noise. The head naturally tilts into position as it meets your pin box, so it’s ready to lock without any wrestling or extra effort.
Installation is straightforward thanks to the included rail adapter designed for use with the OEM prep package. Drop the base into the puck receivers, pin it in place, bolt on the side plates, and attach the head—no complicated adjustments required. The hitch offers three height settings at 16-1/2", 17-3/4", and 19-1/4", making it easy to dial in the right fit for your trailer height and bed clearance before hitting the road.
This fifth-wheel trailer hitch is not compatible with Sidewinder or Revolution king pins. Do not use any device that changes the pivot point of your trailer's king pin with this hitch.
Alternate Instructions
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Jeff: Hello everybody, this is Jeff at etrailer.com. Today I'm going to take a look at this Demco fifth-wheel rail adaptor for the Ram OEM fifth-wheel towing prep package, and this has a 25,000 pound weight capacity. Now this is a custom fit part, it is designed to fit the 2013 and newer Dodge Ram and Ram 2500 and 3500 trucks that have the OEM fifth-wheel towing prep package. Basically, this adapter's perfect if you want to use your standard fifth-wheel trailer hitch that'll mount to above-bed rails with the Ram's trucks factory installed under-bed fifth-wheel mounting kit. This will convert that factory installed under-bed kit from your Ram to the standard above-bed fifth-wheel base rails. You can see right here, these are the rails that your fifth-wheel tabs will drop into.I wanted to show you how this mounts to your factory system, I'm going to zoom in on one of the corners.
You'll do this on all four corners. But basically you'll have this handle here, and you have this safety pin, so you'll pull out the safety pin just like that, and then you'll rotate this handle all the way 90 degrees. When you do that, these tabs on the bottom here will line up with each other, and that'll allow you to remove it are inserted into the factory system. You just drop it into the pucks, and then to lock it into place, all you do is rotate this back 90 degrees until the hole lines up, and you'll notice it locks it into the tabs. And then you just take your safety pin for safety, push it in and it'll hold it into place, so there's no drilling or welding required with this.
And again, this is on one corner, you'll do this on all four corners. Just zoom back out and you can see you'll do it on all four corners.What you also want to remember is that the Ram trucks use different size tabs and sockets on the front and the rear of the vehicle, so you want to make sure when you install this, that you install it correctly. Basically they even have an arrow here that shows you pointing this way, meaning towards the cab. So up here is the smaller tabs, that's always on the cab side or the front of the Ram, and on the very back by the tailgate is the larger rear tabs. And to even help you with it, besides this arrow here, if you look at the front ones, the bolts are silver-colored, or the tabs also underneath.
And if you look at the rear ones which are larger, they put a yellow zinc finish on them, so that will even help you determine which is front and which is rear.The adapter itself is a nice rust-resistant black powder coat steel construction. It is made in the USA. Again, the application is for 2013 and newer Ram trucks that have that OEM under-bed towing prep package. Maximum capacity, which is stamped on it right here is 25,000 pounds. Just to let you know, when you do install this, this adapter will add about 1 3/8" height to your fifth-wheel hitch.
But that should do it for the review on this Demco fifth-wheel rail adapter for the Ram OEM fifth-wheel towing prep package, and this has a 25,000 pound weight capacity..
Ratings & Reviews
John
7/17/2023
Still working great.
Charles
6/1/2019
It works fantastic! Easy to install for towing 5th wheel and then easy to remove to have complete, open bed for hauling.
Andrew
9/20/2020
after 1 year, the hitch adapter is still looking good. no paint chipping, no rust. still pulling strong.
Mike G.
9/15/2019
This hitch has worked well for me. It is now used in a 2018 GMC Sierra 2500. It is just tall enough that I can see it in my rearview mirror to make it easy to get lined up with the kingpin
Jon G.
9/27/2019
Do you have a question about this 5th Wheel Hitch?
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Lazer S.
3/3/2026
Glad it's working well for you, Mike! Other than the rattle. You could try putting a thin rubber sheet in between the hitch and the adapter to see if that helps, but I don't think it will be a problem. What kind of trailer are you towing?