This hitch takes care of turning clearance on its own. The built-in rack-and-pinion gears automatically move the hitch head up to 14" toward the tailgate during tight, slow-speed turns, then slide it back into position when you straighten out. You never have to get out to pull a lever or guess at your cab-to-trailer clearance—the hitch adjusts itself smoothly and consistently every time you turn.


The wraparound jaw fully encloses the king pin for 360-degree contact, so you get a solid, rattle-free connection that feels steady down the highway. A 3/4" thick steel locking bar sits in front of the jaw for another layer of security, automatically engaging when the jaw closes. The result is a confident hookup that reduces chucking and metal-on-metal noise while towing heavy rigs.

The double-pivot head moves both front to back and side to side, making it easier to line up and hook on uneven ground. Three polyurethane dampeners cushion the motion to cut down on road shock and vibration, so your truck and trailer ride more comfortably together over long hauls.
Three height positions let you match your pin box height for a level setup and proper bed rail clearance. The hitch mounts on Demco’s underbed system, leaving the bed clear when you take it out. You can remove it in sections—the head comes off separately—to make handling easier without special equipment.
Ratings & Reviews
Install pretty straight forward. Hitch works as it should. 90 degrees with my 5 1/2 foot bed. The ums rails..well just say there ain't no way the bolts just drop in from above like in install video. My truck is same year as in the video. Rails with spacers (which needed pusuasion to "slide" in) are flush with the bed. Also the hole plugs work great with no rails...need to trim tip off for them to seat with rails installed. See pics
The product showed up in perfect condition. Followed the instructions and install was pretty smooth. I had access to a forklift so I was able to do the install by myself. Just be aware that it’s a freight shipped item so the estimated arrival time is wrong. It will take longer than what the website tells you at checkout. But the customer service reps were helpful in explaining the process when I inquired as to where my package was.
I like to hitch but unfortunately doesn’t work for my trailer as it won’t travel level meaning it was to high in the bed of the truck causing to much weight to be on the rear axle of the trailer which will cause other issues like wearing tires, wheel bearings, axles and could cause rear tires to blow out while traveling. With discussion with Will at ETrailer we worked out to use a stationary hitch until one can be available for our situation. Will was excellent to work out our options.
Installing was relatively easy. Made my silly Rhino hitch work with auto slide.
This hitch is very well made. Its very heavy and will require some kind of lift to get into the back of the truck. I used a foldable engine hoist. The puck system works well as long as the pucks the truck manufacturer installs are cast correctly. One of the RAM pucks had some slag or casting imperfections that had to be removed for the hitch to go into the puck. Once that was cleaned up the hitch installed very easily. Another thing is this hitch has no rattles when I am not pulling a trailer.Very impressive to other 5th wheel hitches I have used. The hitch works as intended as I do not have any issues with clearance in a full 90 degree turn. When turning at a 90 on a grade or large angle which sometimes causes clearance issues this hitch I have not had any issues.
Working perfectly. Delivered via LTL, the carrier called in advance to schedule delivery to our home. I requested a lift gate at delivery. Driver picked up the (1) skid (approx. 500 lbs.) with pallet jack, moved it to the lift gate. I backed the pickup truck receiving the hitch to the back of the carrier truck and put down the tailgate. Driver lowered the lift gate to the same level as the tailgate of the pickup truck and moved the pallet from the lift gate to the back of the pickup using the pallet jack. All done in the street in front of our house. No problem!
I assembled the hitch in the rear of the truck by myself. Everything lined up perfectly with the "puck" system. Install took a few hours since I was on my own.
First hookup with 5th wheel was a little problematic. Hitch would not engage when the king pin hit the back of the hitch. Being new to a 5th wheel hitch, I thought I was doing something wrong. I got a neighbor who had years of experience with 5th wheels to take a look - we still were having problems getting the new hitch to engage. As it turned out, the king pin on the camper had a little corrosion, which we cleaned off and added a little grease. We added a touch of grease to the new hitch at the point of contact with the king pin. Hooked up on the next try and every other try (probably a dozen or more) since then.
Did some practicing on sharp turns and the automatic slide works perfectly! Full clearance between cab of truck and camper in all the turns we attempted. I did a lot of research and stressed a good deal over this purchase - so excited it worked out. Knowing what I know now, I'd do it again!
Worked out great. I used the hitch for my camper right after I installed it. However, I did break one of the bolts when installing it, which is OK. I just switched to grade 8 bolts which is better anyways. I love the fact that Demco hitch unlocks when you pull the lever regardless of weight on it. Compared to my previous Mopar hitch you had to get at the right weight pressure to unlock it.
Seems to be built very well, and installation was fairly easy considering the size and weight. Won’t know how it travels until I get the RV in the Spring….we shall see! In my particular case, I had to use spacer washers between one of the brackets and the hitch so it wouldn’t jam in the truck mounts but no big deal.
I’ve also figured out a way to “store” the hitch for the winter.
Great functional hitch. Poor powdercoating though (mostly flaking off) with quite a bit of rust after only a year.
great hitch for my customers new truck to pull his new Durango 5th wheel!
Fast Delivery as well
Always RV
Mesa Az
Hitch sucks pain in the assembly to connect and disconnect.
Hitch looks great and functions great as well. Installation could’ve been smoother due to the installation instruction measurements being slightly off. Look at finding hole caps that are 3” instead of two and drilling the larger hole.
Hitch works great. Had some issues using it when I first got it with putting the pin to lock down the handle but its worked much better lately. The hitch is heavy so I leave it in the back of the truck. Wish I could remove it so it doesn't get weathered.
After a year, I still like my Demco autoslide. It works great. I have pulled my trailer quite a few times and have had no issues at all. I know quite a few people that pull 5th wheels and one actually went out and purchased a autoslide after watching mine work.
Instructions left alittle to interpretation when it came to hitch height in the bed of the truck. For a f350 super duty it is the medium set up. Save you some time and effort. Other then that it looks great and will be testing it out this weekend.
This hitch has been used daily since i purchased it. I deliver fifth wheel travel trailers all over the country. This hitch has worked flawlessly from day one. This hitch is one of the only products that I've ever bought that is exactly what it was described to be. Im not one to do reviews, so the fact that im doing this one , in itself, says a lot about the quality of your product. The design and looks are much better than any other hitch ive seen. It just looks better in the truck bed than others do.
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