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  1. Adjustable Trailer Coupler
  2. Demco
  3. 2-5/16 Inch Ball Coupler
  4. Coupler Only
  5. 21000 lbs GTW
  6. Auto Latch
Demco Trailer Coupler - Cast - Adjustable Channel - eZ-Latch - Silver - 2-5/16" Ball - 21K

Demco Trailer Coupler - Cast - Adjustable Channel - eZ-Latch - Silver - 2-5/16" Ball - 21K

Item # DM15791-52
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Our Price: $93.11
Adjustable Trailer Coupler
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Shipping Weight: 9 lbs
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Cast ball coupler is made of sturdy steel and has a durable silver powder coat finish. Metal eZ-Latch ensures fast, easy, secure hookup and disconnect. Adjustable channel bracket and mounting hardware sold separately. 1-636-306-4830 to order Demco adjustable trailer coupler part number DM15791-52 or order online at etrailer.com. Free expert support on all Demco products. Guaranteed Lowest Price and Fastest Shipping for Demco Trailer Coupler - Cast - Adjustable Channel - eZ-Latch - Silver - 2-5/16" Ball - 21K. Adjustable Trailer Coupler reviews from real customers.
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Demco Adjustable Trailer Coupler - DM15791-52

  • 2-5/16 Inch Ball Coupler
  • Coupler Only
  • 21000 lbs GTW
  • Auto Latch
  • Demco

Cast ball coupler is made of sturdy steel and has a durable silver powder coat finish. Metal eZ-Latch ensures fast, easy, secure hookup and disconnect. Adjustable channel bracket and mounting hardware sold separately.


Features:

  • Cast ball coupler lets you hook up your trailer to your tow vehicle
    • Provides connection point for hitch ball
  • eZ-Latch mechanism ensures simple, secure hookup and disconnect
    • Lets you hook up when latch is in closed position - just drop coupler over hitch ball and latch will snap into place
  • Adjustable channel mount lets you change coupler's height depending on application
    • Channel bracket and mounting hardware sold separately
  • Sturdy steel construction
  • Silver powder coat finish offers excellent corrosion resistance
    • 500-Hour salt spray rating - great for marine applications
  • SAE J684 certified
  • Made in the USA


Specs:

  • Application: 3" wide channel bracket
  • Ball size: 2-5/16"
  • Weight capacity: 21,000 lbs
  • Coupler dimensions: 8-1/8" long x 2-7/8" wide
  • Diameter of lock pin hole: 5/16"
    • Minimum span needed for pin lock through body: 3"
    • Minimum span needed for pin lock through latch: 1-1/8"
  • 1-Year warranty


Note: (4) 5/8" Grade 5 mounting bolts must be used to achieve the 21,000-lb weight capacity


eZ-Latch Coupler

This coupler features a simple-to-use latching mechanism known as the eZ-Latch. With this mechanism, hooking up is as easy as dropping the coupler over your trailer hitch ball. The latch does not need to be tugged or manually activated to allow the ball into the coupler socket, nor does it have to be secured in place. Just make sure that the coupler is properly lined up with the ball when you lower it, and the rest is automatic. Disengaging the coupler is just as effortless. Simply lift up the handle and the coupler socket will automatically release its grip on the ball.


Demco eZ-Latch in Use

Unlike most couplers, which only have a pin hole on the handle latch, the eZ-Latch coupler features a hole on the latch and on the side of the coupler itself. Inserting a coupler lock through this hole will keep the latch from lifting, preventing disconnect and theft.


Sturdy, Corrosion-Resistant Construction

Made of sturdy steel, this coupler features a durable silver powder coat finish that is designed to limit rust and corrosion. This finish has a 500-hour salt spray rating, making the coupler perfect for marine use.



15791-52 Demco Trailer Coupler with Easy Latch for Adjustable Channel Bracket - Silver - 2-5/16" Ball - 21,000 lbs




California residents: click here


Video of Demco Trailer Coupler - Cast - Adjustable Channel - eZ-Latch - Silver - 2-5/16" Ball - 21K

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Demco Adjustable Trailer Coupler - Coupler Only - DM15791-52 Review

Today we're going to be taking a look at the Demco trailer coupler. This is a cast ball coupler that lets you hook up your trailer to your tow vehicle. It's going to provide a connection point for a 2 5/16" hitch ball. It's going to feature your easy latch mechanism that's going to ensure simple, secure, hookup and disconnect. Simply lets you hook up when the latch is in the closed position. All you got to do is drop the coupler over the hitch ball, and then the latch will automatically snap into place, and it'll engage the hitch ball.

If you want to do it the traditional way with the latch in the open position, this coupler offers that feature as well. Again, the easy latch design lets you hook to your hitch ball with the latch in the closed position, and it engages automatically. When it comes to mounting, this is designed for an adjustable channel mount. It's got that design to it that's going to let you change the coupler's height depending on your application. Your channel bracket and mounting hardware are sold separately. When it comes to the hardware, we want to recommend using part #DM6166.

It's available, right here, at etrailer.com. This is made from a sturdy steel construction. It's going to feature a really nice silver powder coated finish. It's going to do a great job at resisting rust and corrosion, looking nice, and lasting for a long time. It's going to feature a 500-hour salt spray radium which is going to make this ideal for marine applications. It's SAE J684 certified.

This is designed for a 3" wide channel bracket. We can tell that by taking a measurement, here, at the backside. You can see that's going to measure right around 2 7/8, so it's going to fit perfectly inside the 3" wide channel bracket. Again, it is designed for a 2 5/16" hitch ball. It's going to offer a weight capacity of 21,000 lbs.

The overall length of our coupler measuring from back to front is going to give us measurement of about 8 1/8" long. You can see the wedge mechanism right there. Open and close the latch, and you can see how that controls the wedge. Another neat thing I want to point out is this unit's going to feature two lockable, or pinhole, locations for a coupler lock. You're going to have your traditional one, right here, on the latch, that would prevent the latch from opening up. If you're interested in a coupler pin and clip, or pin and lock, those are going to be sold separately. They are available, here, at etrailer.com. You're going to have this location, right here, and you're going to have a location, down here, that actually locks the wedge into place. That way nobody could connect it to their hitch ball, and it can't become disconnected when it's connected to your trailer, to your hitch ball. If you want to use this location, right there, these holes are going to have a diameter of 5/16". You're going to need a usable pin length, or span, of 1 1/8" for this location. For this location, you're going to need a usable pin length, or span, of 3". That's going to do it for today's look the Demco trailer coupler for a 2 5/16" hitch ball.


Customer Reviews

Demco Trailer Coupler - Cast - Adjustable Channel - eZ-Latch - Silver - 2-5/16" Ball - 21K - DM15791-52

Average Customer Rating:  4.8 out of 5 stars   (302 Customer Reviews)

Cast ball coupler is made of sturdy steel and has a durable silver powder coat finish. Metal eZ-Latch ensures fast, easy, secure hookup and disconnect. Adjustable channel bracket and mounting hardware sold separately.

by:

Product itself is GREAT! It came with no manual or instructions or details, or even a factory box. Just cam in plain box with nothing? The second item came in a box that looked like it went through a dozen yard sales and returns. Box was held together with tape. Product inside was very nice shape.




by:

It was exactly how it was described and showed up fast.




by:

Quality product and price. The followup e-mails always kept us informed of back orders, and when products should arrive.




by:

We have ordered two couplers and the the qualiy and price cannot be beat.




by:

switching our trailers from pintle to ball. This made for a nice transition and with great quality




by:

Fast shipping and easy to order will buy again




by:

Excellent product and Helen was very helpful in getting right product . Excellent company




by:

Fitment is better than stamped steel version. Great quality for the price!




by:




by:

Very nice works great.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


Very good quality, construction, and finish. This was used to replace a 5000# rated coupler on my RV trailer that was just not strong enough. It has an extra 2-3" of length than the old coupler so make sure your safety chains have enough length to accommodate the extra length. One bonus for me was that the extra length was just enough to allow me to open the back door of my SUV with the trailer hitched (which I couldn't do before). The DEMCO coupler does take a 2 1/2" wide hitch pin /lock which is different than most couplers.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


The coupler came quickly and fit perfectly. So much better than the original.
I will make sure all my trailer business will go to etrailer.


Comments
It continues to perform like it was new. I will never have a trailer without one!
JOE E - 01/24/2022


by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


I don’t really want to write a review, hope someone will really read this.the main reason I ordered a bolt on coupling is so I would not have to weld, but I’m gonna have to even add 2in.to my trailer to make all the holes match. I would have returned it but your return policy says I would have to pay shipping ugg!!. I’m already in for 140.00 bucks now I have to pay and end up with nothing but lost of money for nothing. I’m 74 years old and did not want to weld , that was my only reason for ordering your coupling .the thing had some scratches and marks on it like it had already been a return, don’t think it was done during shipping, although it was put in a fairly large box with flimsy paper packing, so I’m going to have to make it work,even have to weld and everything. Now I’m having to waste time writing all of this , and it’s not going to even make any difference anyway. I think y’all owe me some kind of discount for all my troubles I was trying to avoid anyway, but I’m sure that is not going to happen either. GOD BLESS THOMAS OLIVER


Comments
You mentioned that you needed to add 2 inches to your trailer to install the trailer and I wanted to see if you could explain in more detail what you mean. Would you be able to send pictures?
-- Etrailer Expert Jenny N - 04/05/2022


by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


Very solid hitch. Fast shipping. Fits well except your trailer channels need to nearly come to a point for the first set of holes to have anything to bolt to. Mine did not, so I am having it welded on as well. No paperwork or hardware with this package, but the video will answer most all questions.


Comments
Excellent - it’s stronger than the trailer. Weak point is the plastic lever. If I’m unhitching on an incline it won’t release. I would break it.
Matt - 04/09/2022


by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


This is the best hitch on the market! I've changed over all 4 of my trailers to this hitch. Simple hook/unhook, releases off the ball smooth, no pins to mess with. The included steel bracket (product #DM6125-81) is super heavy duty & so is the hitch itself, plenty heavy for any 2 5/16" trailer. I hacked off my existing hitches w a cutoff saw, welded a plate then the bracket and did each of my trailers , w paint, in less than an hour.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


love these couplers ! they are the best and are easy to open up and when they are pulled up you know it is disconnected !! the best !

I was a little disappointed when I opened the box yesterday and found that there was no keeper pin with the couplers now I have to go to town and find the right size ! I was thinking it would come with one ! should have a option to buy the correct one or just send one with !! thanks


Comments
Here is a link to our ion of coupler locks if you are still looking to purchase one.
-- Etrailer Expert Brooke M - 05/02/2022


by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


I like the 4 bolt system rather than the 2 bolt system because it "mates" the two metal surfaces together better than 2 long bolt design. The way in which its tightened is better. Plus if you have 1 of 4 bolts break you can still safety tow it. If 1 of 2 bolts break you're flirting with disaster. 21k coupler on a 10k trailer. Heavier and better design than my original Made in China coupler.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


Installed this AWESOME hitch on my 20 ft equipment trailer after I upgraded to 8k axles. This hitch is a beast. I love the no touch when hooking up. Just lower the trailer down and it makes a positive lock sound. I welded the hitch to a 1/2 inch thick plate. Welded the plate onto the trailer and used my own gussets instead of the supplied ones. You won’t go wrong with this hitch!




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


I decided I wanted to renew my Dad's old trailer. Starting with a trailer coupler upgrade to the adjustable "eZ-Latch". Thanks to etrailer it was an easy, convenient one stop shop and I couldn't be more pleased with the products and service. When it comes time to do the running gear and tires, etrailer will be my source.

Thank you!




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


My old coupler was pretty used up and rated at only 5000 lbs for a 10,000 lb trailer so it had to go.
The new bolt-on 10,000 lb coupler is quality. I like the EZ latch because its smooth, self latching and easy. The job was about four hours including removing old coupler, welding some new channel in and drilling holes. New coupler looks good, works great, and trailer is safer.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


Made in the USA perfect fit.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


I love Demco Couplers, they are so easy to use and so well constructed.
I have been changing the couplers on all of my equipment to Demco.
etrailer is the is by far the best place to get them, along with numerous other items like trailer jacks, lights, hitches, etc.
Great customer service, fast shipping, great prices, what more could you ask?




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


Trailer coupler was easy to install,
fits
over tow ball and locks with ease.
I’ve ordered other trailer parts from E Trailer and they always have shipped quickly and parts have always been what’s specified on their website.
And their videos are very helpful when ordering parts.
I highly recommend ordering parts from this company.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


Absolutely Great coupler! I have 3 trailer's with 3 different hitches. These Demco unit's are so simple and so easy to operate. I just bought a new equipment trailer last week and I struggled to get that coupler on (so did the dealer) so I ordered 2 of these to make my life easy. I now have 1 for a spare or parts if needed. Highly recommend one if you have any issue's with your current coupler. YES, they are worth it..... I'd give these more than 5 stars if I could.




by:

Review from a similar eZ Latch Coupler in Adjustable Trailer Coupler


When my old coupler failed I was very happy to find a bolt on coupler this heavy as most are weld on for a trailer this heavy. I wish I would have changed the coupler years ago. I always had trouble with the old one. This one is so easy to latch and unlatch from my truck. It is great quality.



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See what our Experts say about this Demco Adjustable Trailer Coupler

  • Locks and Channel Recommendation for Demco Trailer Coupler # DM15791-52
    The Demco Trailer Coupler # DM15791-52 does not come with the locking pins or the mounting pins. The mounting pins will need to be supplied by you. Grade 5 mounting bolts must be used to achieve the 21,000-lb weight capacity and we do not carry them. For the body of the coupler the lock you'd need is # e98888 and for the pin you'd want # e98883. If you select keyed alike on the drop down menu you'll be able to order them both with the same key number. For a channel to use with this you'd...
    view full answer...



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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Cole B
Installed by:
Cole B
Employee Wilson B
Updated by:
Wilson B
Employee Amanda M
Written by:
Amanda M

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