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Demco Recon Sliding 5th Wheel Hitch for Chevy/GMC - Single Jaw - Underbed - 21,000 lbs
Part Number: DM29KV
In Stock
$1,870.72
2016 Porsche 911
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- All Info
- Reviews (112)
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- Videos (3)
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Demco 5th Wheel Hitch - DM29KV
Highlights
- Custom Fit for Your Vehicle: Mounts to existing attachment points
- Strength You Can Trust: Rated for 21,000 lbs GTW and 4,000 lbs vertical load for towing heavy fifth wheels.
- Tight-Turn Clearance: Manual slider gives 14" of fore/aft travel to help avoid cab contact on sharp turns.
- Secure, Solid Connection: Wraparound single-piece jaw with a 3/4" thick locking bar holds the king pin firmly.
- Smooth, Quiet Ride: Double-pivot head and polyurethane bumpers reduce chucking and absorb road shock.
- Level Trailer Setup: Adjustable hitch height at 18-3/8", 19-5/8", or 20-7/8" to match your trailer’s stance.
Features to know about
Built to Tow Heavy 5th Wheels with Confidence: 21,000 lbs GTW and 4,000 lbs Vertical Load Limit
This hitch is rated for 21,000 lbs gross towing weight and a 4,000 lbs vertical load limit, giving you the strength you need to pull large fifth wheels with stability and control. The solid steel construction and rust-resistant black powder coat finish make it ready for long miles under heavy loads without flex or movement. It’s the kind of build that inspires confidence every time you head out with a big trailer behind you.
Tight Turns Made Easy in Short Beds: 14" Manual Slider Travel
When space gets tight, the manual slider gives you 14" of fore/aft travel so you can make slow, sharp turns without the trailer contacting the cab. It’s designed specifically for short-bed setups where clearance matters most at low speeds. The slider moves smoothly and locks into place so you can focus on maneuvering safely without second-guessing your setup.
Secure Connection that Stays Quiet: Wraparound Single-Piece Jaw with Locking Bar
The premium single-hook jaw wraps fully around the king pin for 360-degree contact. A 3/4" thick solid steel locking bar reinforces that connection, keeping it tight and steady all the way down the road. This design cuts down on rattle and reduces chucking, giving you a quieter, more stable ride that feels solid when coupled.
Smooth Ride Over Rough Roads: Double-Pivot Head with Polyurethane Dampeners
The double-pivot hitch head moves both front to back and side to side to make hookup easier and help absorb movement while towing. Polyurethane bumpers cushion road shock, letting the trailer track smoothly even over uneven pavement or bumps. You’ll notice less jarring and more control when cruising or backing into a site.
Simple Setup and Adjustment: Three Height Settings for Level Towing
Getting level is easy with three height positions—18-3/8", 19-5/8", and 20-7/8". These adjustments help match your trailer to your truck setup for proper clearance and balanced towing. The spring-loaded handle with a comfort grip and a tethered safety pin makes coupling straightforward so you can lock it in place quickly and get rolling.
Specs
Application
- Designed for use on: 6-1/2' truck beds
- Fits: Standard pin boxes 12" - 14" wide
Weight and Capacity
- Gross towing weight: 21,000 lbs
- Vertical load limit: 4,000 lbs
Dimensions
- Travel: 14" front to back
- Hitch height settings: 18-3/8", 19-5/8", and 20-7/8"
Warranty
- Limited warranty: 5-Year
8550064 Demco Recon Manual Slide 5th-Wheel Trailer Hitch - 21,000 lbs
6436 Demco UMS Under Bed Mount Adapter Plates for Recon Manual Slide 5th Wheel Trailer Hitch
8551004 Demco Hijacker UMS Under Bed Rail Frame Bracket Kit
Video of Demco Recon Sliding 5th Wheel Hitch for Chevy/GMC - Single Jaw - Underbed - 21,000 lbs
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Video Transcript for The Low-Down on the Demco Recon Sliding 5th Wheel Hitch for Chevy/GMC
Hi, everybody, Andy here with etrailer.com, and today, we're gonna take a look at this Underbed Rail and Installation Kit for the Demco UMS 5th Wheel and Gooseneck Trailer Hitches. Now, this is a custom fit kit that is designed to fit various years and versions of the GMC Sierra and Chevrolet Silverado. To confirm that this is going to work for you, please take advantage of our vehicle fit guide here at etrailer.com, input the year, make, and model of your truck, and our fit guide will let you know if this kit will work for you or if we have something comparable that will work for you. Taking an overhead look here, this installation kit is designed for use with the Demco UMS 5th Wheel and Gooseneck Trailer Hitches. These underbed rails are not exposed in your truck bed, so it allows for complete access to your truck bed when your hitch is removed. These four mounting holes, two on each rail, will sit flush with your truck bed, and they include these plastic cap plugs that are going to go into the holes in your truck bed to prevent dirt and grime from getting into them.
The brackets are vehicle-specific design, which reduces installation time and requires less drilling than your universal systems, and these brackets will mount to the outside of your truck's frame rails, drilling is required, and the crossmembers of these rails will sit along the top of the frame rails beneath the your truck bed and attached to these brackets. Now, all of these parts are made here in the USA of a sturdy steel construction with a black powder coat finish to help resist corrosion. And this kit includes everything that you see here on the table before me, you're gonna get the two rails, the mounting brackets and all of the installation hardware and the plugs, and a great set of instructions to walk you through the installation process. Well, that's gonna conclude our brief look today, I do hope that it was helpful for you. Again, my name is Andy, thank you for joining me.
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Ratings & Reviews
4.8
231 reviews
by:
Stephen
06/03/2025
Chevrolet
Silverado 1500
Good quality hitch, light weight, easy to slide . Got about 1500 miles pulling 17000lb trailer with no problems
by:
Bob S
03/11/2018
Chevrolet
Silverado
2003 Chevrolet Silverado 2500HD 4x4 extended bed Duramax
by:
Bill
07/02/2020
Easy installation
by:
Rick
07/29/2021
The experience overall was good. Shipped in a timely manor and product was as shown. No complaints and would purchase from them again in the future.
by:
Dale R
04/06/2019
easy to install good prouduct
by:
Ludwig
01/03/2022
by:
Jeffrey
03/02/2024
by:
David
05/21/2026
2026
Chevrolet
Silverado 2500
I'm not real impressed with this hitch i had the trailer lifted bought taller tires and wheels and have all adjustments at lowest settings and still not level
by:
Rob
08/03/2025
2021
Ram
2500
This was a perfect fit into my 2500 Ram. It was delivered in perfect condition. I had a hard time finding the correct torque for some of the Bolts, for example the Bolts for attaching the Ram puk system to the hitch frame. It all worked out well. It took me one hour to put it together and install it in my Ram.
by:
Greg
08/25/2026
2021
Ram
3500
Very satisfied with this product! A bolt on Teflon plate would be awesome instead of the round disks that wear out and become hard to keep in place during the hitching process.
by:
Paul
05/20/2025
Putting the OEM package together for the puck system was very easy. All components look and move as they should. So far so good! Thanks etrailer.com
Gwendolyn Y.
5/21/2025
5th wheel looks great in your truck, Paul! What kind of trailer are you hauling?
by:
Patrick
03/15/2025
2021
Ford
F-250 Super Duty
Purchased for my 2021 Ford F-250. Arrived 3 days ahead of schedule with excellent communication. Was professionally delivered in 1 shipment on 1 pallet in perfect condition.
Great instructions. Is easy to install for the mechanically minded. Will take a novice longer but they will have no issues if they follow the instructions. All I needed was a 3/4" wrench/socket, a 1 1/8" wrench, and a torque wrench. Puck handles were on upside down from factory but didn't matter you will need to take them off in step 1 to add or remove washers for the perfect fit on your OEM puck setup. Excited to hook up and start using it!
Great instructions. Is easy to install for the mechanically minded. Will take a novice longer but they will have no issues if they follow the instructions. All I needed was a 3/4" wrench/socket, a 1 1/8" wrench, and a torque wrench. Puck handles were on upside down from factory but didn't matter you will need to take them off in step 1 to add or remove washers for the perfect fit on your OEM puck setup. Excited to hook up and start using it!
Victoria H.
3/18/2025
Thanks Patrick! I appreciate you taking the time to share your valuable insight. It looks like you're ready to roll. Do you have any trips planned yet?
by:
Harvey
03/02/2019
2002
Ford
F-350 Super Duty
The truck that got the install is a 2002 Ford F350 Super Duty 7.3 L Diesel dually. The Demco Recon 5th wheel hitch (DM8550043) looks like a well made, heavy duty hitch. All the welds are precise and well done. I like the single wrap around jaw with the real thick bar that backs that up. The handle that pulls out to unlock the jaw moves with ease and locks in the out position when the jaw opens. When the king pin comes in contact with the back of jaw, the jaw wraps around the king pin, the handle closes, you put in the safety pin and your ready to go RVing. I chose the Husky Custom Rails and installation kit (HT31405-686) for my install. The reason I chose these rails over the ones that etrailer had matched up for the hitch is, I had previously installed a set of Airlift Airbags and I didn't want the rail install to interfere with the airbags. It was a good choice, there was no interference at all. If I had not had the bags, I would have chose the rails and install kit that require no drilling. Drilling the holes went very fast and easy, it was torking the rear bolts down that was very difficult. There was not enough room to get a wrench of any kind around the nut. I wound up using a set of vise grips on the nut while a friend of mine torked the bolt slowly from above.
All and all I'm happy with the product and I'll give another review in a year.
All and all I'm happy with the product and I'll give another review in a year.
Harvey
3/3/2020
This Demco 21K fifth wheel hitch is a great piece of equipment. I have pulled my 40 Heartland Bighorn fifth wheel as far north and west as Wisconsin and south and east as Florida. It has performed like I thought it should and beyond. I am sure glad that I chose the Recon over any of the more expensive brands. Its a real performer and it looks pretty cool too!
by:
Wyman
02/19/2026
I did have a problem the first time using the hitch with it unexpectedly sliding rearward and bending the locking pins. Kudos to Michael with Demco products for sending a replacement part and no issues since.
by:
Kevin
11/14/2022
I like it’s design and how it sits in the bed. It seems to want to rotate some while pulling. I see some reviews that other people are having this problem also. Some have put a bolt down through the base into the truck bed. I haven’t wanted to do that as of yet. Otherwise I like the hitch.
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.
Mike L.
11/22/2023
@Kevin I spoke with my contact in the Tech Services department at Demco about your issue. Here's what we advise:
1. Are you using a rotational pin box such as a Reese Revolution, Reese Sidewinder, Lippert Turning Point or Mor/Ryde Orbital? If so, do you have the rotational pin box operation locked out? In other words, we don’t want to stop the rotation of the king pin in the Demco hitch jaws to be stopped.
2. Are you using a lube disk on the trailer? From the photo, the hitch appears to be on a truck bed with a sprayed in bed liner. Some of those liners are actually slick and the steel on steel of the pin box skid plate on top of the hitch head skip plate is more resistance than the hitch to the truck bed is. Thus, causing the movement. Many times, just adding a lube disk will stop this movement.
3. The recommended torque setting of the coupler bolt is 30 ft pounds. You can adjust the torque to 40 or 50 ft pounds of torque on the coupler bolt. We recommend trying 40 ft pounds first and see if that stop the movement. If not increase to 50 ft pounds.
4. Generally, one of the above troubleshooting items will resolve the slight turning issues of the hitch in the truck bed. If not, the final solution Demco has would be to place a thin piece of rubber between the truck bed and the bottom of the hitch base. Once the rubber is in place and the hitch is re-torqued, the rubber will give the resistance needed to stop the base from turning in the bed of the truck.
by:
Mark
03/25/2026
2019
Ford
F-350 Super Duty
I had a Demco Recon 5th Wheel Hitch in the past I liked how easy it was to operate and the get in and out of the truck bed. I also like how compacted it is compared to most of the other brands. Go with what you know works for you.
by:
Robbin
06/17/2019
2018
Dodge
Ram Pickup
This hitch with the Airbourne Sidewinder worked great with the 2018 Ram 2500 Mega cab short bed with Ram boxes. Can maneuver a 90 degree turn without issue. Still have to get trailer lifted higher to get the trailer nose lowered, but for the complicated research we had on the right combo, this is tested and verified
by:
John
05/08/2024
2023
Ram
2500
Parts arrived for the DM 8550043, received only the hitch base plate and adjustable shaft for the hitch head. Have been told that the hitch head is shipped separately. Now have a problem with the hitch plate fitting the bed rails. The holes for the pin that secures the hitch plate to the rails are to close to the bottom of the hitch plate photos are given of the problem a pencil was used for reference. There is NO WAY the pin will go through the rail and hitch plate. Waiting on a solution from etrailer. The hole that you can barely see the pencil is tailgate rails pin fits fine.
by:
David N.
08/14/2018
2008
Toyota
Highlander
Rugged product, easy to install, quick latch system. easy to remove. Purchased the Reese adapter with this hitch, and installation was easy. Some minor adjustments with the cam over lugs, and setting the hitch posts into the adapter. Overall very easy set up. Looks good, and can be taken apart in pieces, for ease of removal and installation, after set up. Ordering was simple and all parts came in about a week.
by:
Andrew
04/25/2026
2024
GMC
Sierra 2500
Fit was spot on, built in USA a big plus, handles smoothly.
by:
John W
03/01/2019
Ford
F-150
Ordered hitch late Wednesday evening and received early afternoon on Friday, that is super fast delivery. Two cartons received with no damage and all parts were there as expected. It looks exactly as advertised online and it was at a great price. AND FREE SHIPPING.
Also made in the USA.
I am replacing my Demco Hi Jacker Auto Slider that weighs approximately 300 lbs with the Demco Recon that according to the shipping labels weighs 91 lbs. It will be installed on a Ford F150 with 5 1/2 ft bed and fiver with a Lippert Turning Point Pin box.
Also made in the USA.
I am replacing my Demco Hi Jacker Auto Slider that weighs approximately 300 lbs with the Demco Recon that according to the shipping labels weighs 91 lbs. It will be installed on a Ford F150 with 5 1/2 ft bed and fiver with a Lippert Turning Point Pin box.
by:
Jeremiah
09/08/2024
1998
Dodge
Ram Pickup
Already pulled the rv with it. I like the design. Literally ripped open the box and put it together in a matter of minutes. The three pieces come apart fast lightening it up to remove it from the bed
Jeremiah
9/9/2025
Looks good works good, pull a triple axle Roy hauler rv. No complaints
by:
Robert
05/23/2024
The hitch took about 45 minutes to put together. Including putting on the side plates. I wanted the extra two inches of travel that the Recon gives you over the competitors. I would have gone with the auto slide but there was not a adapter plate to fit my old nine inch wide pin box.
by:
Samuel
05/06/2022
This is a really nice hitch for the money. Extremely easy to installl for one person. I can’t wait to pull my camper with it. The only problem I had was how badly damaged the package was when delivered. Fortunately the hitch was not damaged. The picture shows how it was when I got it.
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view full answer... - How to Install the Underbed Rail and Installation Kit for Demco Hijacker 2005 GMC Sierra 3500I can walk you through the installation of the Underbed Rail and Installation Kit for Demco Hijacker UMS 5th Wheel and Gooseneck Trailer Hitches part # DM8551004 but we have not had the chance to install this on a 2005 GMC Sierra 3500 yet. A standard hand drill can be used to drill the holes through the frame rail. On some models there will be a heat shield that is attached to the bottom of the truck box that will have to have a section of it removed to make clearance for the base rail(s). 1....
view full answer... - Will a Reese Signature Series Hitch Fit a 2009 GMC Sierra 3500 Long BedThere isn't an under bed installation kit that will fit the Signature Series hitch and your 2009 GMC Sierra. If you want an under bed set up you would have to replace the hitch as well. I know that isn't the best news. Your options are: B&W Companion # BWRVK3500-5W with install kit # BWGNRK1067-5W (doubles as gooseneck hitch) Demco hitch # DM8550032 with installation kit # DM8551004 Draw-Tite hitch # 9480-5W with install kit # 9465-34-5W (doubles as gooseneck hitch)
view full answer... - Estimated Installation Time For Demco Fifth Wheel Hitch And Installation Rail KitHey Clint, you are going to be installing the rail kit on the truck as well, correct? The Demco Recon 5th Wheel Trailer Hitch # DM47YV by itself should take only about 30 mins to assemble and install. The Installation Rail Kit # DM8551000 will also need to be installed on the truck. For the Installation Rail Kit, we estimate about 4.5 hours for installation. So, for the hitch and rail kit you would be looking at around 5 hours. You will find our install video linked below.
view full answer... - How Much Does The Demco Recon 5th Wheel Trailer Hitch w/ Slider DM47YV Weigh?Hello Doug. The Demco Recon 5th Wheel Trailer Hitch w/ Slider # DM47YV weighs about 220 lbs. The slider base weighs 165 lbs and the head unit is about 55 lbs.
view full answer...
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Info for this part was:
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Heather A.
5/26/2026
Thanks for the feedback, we’d like to take a closer look with you to make sure everything is set up correctly. On a 2026 Silverado, the truck height can vary depending on configuration, so a few details will really help us narrow this down. When you have a moment, could you let us know what trailer make and model you’re towing, and whether it’s sitting nose-high or nose-low when connected? Also, do you know which hitch height position you’re currently using on the Demco Recon 5th Wheel Hitch w/ Slider (top, middle, or bottom setting), and whether you’re using the factory puck system on your Silverado? Once we have that information, we can help confirm whether this is an adjustment issue or if another setup change is needed to get everything sitting level.