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This powder coated steel receiver clamps around your RV's 4" square bumper to provide a 2" x 2" trailer hitch receiver opening. Perfect for hitch accessories or light-duty towing.
Features:
Specs:
Note: For use with RV-approved accessories only.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Randy: Hey guys, it's Randy here at etrailer.com. Today we're going to be taking a look at a couple of bumper mount hitches available from Ultrafab. These are designed to work on square, whether that's four by four, or four and a half by four rear bumpers. Want to make sure that it's a solid bumper. But it's going to give you an additional attachment point here on the back, with a two inch by two inch receiver tube opening.Now in the under mount position, mounted under our bumper, this is going to be ideal for your ball mounts, they're for towing. It can also be flipped over and mounted on top, if you want to use cargo carriers or bike racks.
All in all, it gives you a 350 pound tongue weight rating. That's going to be the maximum downward force we can put on it. It gives us a 3,500 pound gross trailer weight rating. That would be the total weight of our trailer, and anything we we're to load up on it.Now in most of your usage situations, you're going to be using this for small utility trailers, maybe a few ATVs you want to take with you, maybe a smaller boat. Or, it's going to help you to get additional items.
Maybe you don't want a bunch of muddy items inside of your camper, throw them on a cargo carrier back here.I like bike racks in this style of hitch. They're going to come out, you want to of course choose something that's RV or travel trailer approved, but it allows you to hang them just like you would on the back of a car versus the ladder style racks where they kind of hang up and down, are a little bit of a pain to get the bikes loaded up on.Now here in the bottom, you can see we've got the round steel stock style safety train connection points, and it's going to use a 5/8 diameter pinhole. That's going to be pretty standard with most class three, you just want to choose a pin that's rated for class three. There's also going to be decent room mass, so if you want to use an anti-rattle device, or even a locking hitch pin, you shouldn't have any problem there. Holding it onto the bumper, you can see we're going to have the large U bolts.
Those are going to be secured using a flat washer, lock washer and a nut. We want to be sure you get those torqued down properly. We'll torque down the two here at the rear first, then go to the ones in the front.White zinc finish on all the hardware. That should help to resist a lot of corrosion we'll be dealing with, and then the black powder coat finish is going to help make sure this lasts for a very long time.Now we'll take a second and kind of do a comparison. We'll compare our Ultrafab versus some of the other styles that are available design like this, and also the cross tube style.
The one thing I would watch out for, especially if you're going to be hauling a trailer, is to make sure that the wrap around type like this, if this is what you go with, Is rated for use with trailers. Some of them are not rated for that. Some of them are just rated for cargo carriers and bike racks. You want to keep that in mind.The other type that we have would be . Or, if you want a little bit higher capacity, we've got them to where there's a cross tube that goes all the way across, and you'll actually mount plates onto the frame of your RV, on both sides. It's going to give you more of a traditional style hitch, with a cross tube and the receiver tube opening. That usually adds some weight capacity, so if you've got heavier loads, or heavier carriers, I'd probably go that route, but keep in mind there's often welding and drilling that's going to be required when getting those installed.Now, regardless of whether you have the 4" by 4", or the 4" x 4.5" bumper, we need to mount our hitch on there dependent on our use. For ball mount use, if we're going to be towing with it, we want this to be up on the bottom, just like that. You can see we've marked the center of our bumper. We want to keep it close to the center, especially for ball mount use. For bike racks or cargo carriers, we want to mount that on there the opposite direction. So, the weight's pressing down.We're going to mount them with the two U-Bolts that are provided. This needs to go down and around the bumper. We'll get our hardware ready here. We'll slide that right up and on. Now at each spot here, we want to put on a flat washer, a lock washer and a nut. Now, we'll just select the position. We want to make sure our U-bolts are running up and down, then we can snug up my nuts there. Wrench size you'll want to use a 19 millimeter, or a 3/4 inch. Now with those snugged up, it's time to get our bolts torqued down. You want to go with the specifications that are listed in your instructions. We're going to do the two on the rear first, then the two in the front.That's going to complete our look at the Ultrafab Bumper Mount RV hitches.
Average Customer Rating: 4.8 out of 5 stars (177 Customer Reviews)
This powder coated steel receiver clamps around your RV's 4" square bumper to provide a 2" x 2" trailer hitch receiver opening. Perfect for hitch accessories or light-duty towing.
This bolt on hitch worked as advertised. Important to get the bolts sufficiently tight. I used this product to hold a cargo carrier on 2020 Colorado camping trip.
This fit very well, only problem is the side anti wobble bolt won’t fit when the U bolts are installed. Note submitted picture.
Installed this hitch on my fifth wheel to pull my side by side to the upper peninsula in Michigan, however I would recommend that you be sure your bumper is capable of the weight being towed. I personally removed my existing bumper and welded on a much heavier steel bumper. This hitch did exactly what was expected of it, thanks so much to Kirstin for her help at checkout
Mark N - 09/11/2019I needed a way to carry our mountain bikes when we go traveling with a our RV. The Ultra-Fab Hitch receiver fit perfectly on the 4x4 rear bumper allowing me to carry our bike rack. I feel I could even tow my golf cart trailer behind my RV with this hitch if needed. Very easy to install with a simple socket set and torque wrench.
I mounted 2 on my camper bumper. One for a bike rack and the other for a swing away grill. Super happy w the product and the results.
Dave P - 03/24/2021Cold the cargo rack on the rear of our travel trailer.I bought it so that I can lock my generator to it when we’re traveling.
The product arrived ahead of schedule. etrailer upgraded my shipping at no extra cost! It fit on my bumper with very little problem. It was tight because of my chrome covering, but I expected that. I did have to replace two of the nuts that would screw on, and I had wanted to place it above the bumper but the body of the trailer wouldn't let me. I haven't gotten a bike carrier yet, but I wholly expect it to work just fine. I would have given it an excellent but for the bolts I had to replace.
Good hitch. As advertised. Great price! etrailer has never failed me!
Ron - 05/13/2021Product looks and feels very solid and well made. Only took me 5 mins to install. Can't wait to see how it performs as we head out in the next few days. I will be carrying my generators and gas and kids bikes on it. Thank you again etrailer.com for an easy purchase with all of the info i could ask for on your website to help make the best selection for my needs.
Works great used on trailer bumber for portable refrigerator to carry on cargo unit. Had to beef up bumper with angle iron due to weight ...no bounce at all with hitch
This bracket provided me the means to mount the receiver style spare tire b racket on my Class C RV. By mounting it upside down, it placed the weight squarely on the frame, leaving the u-bolts to merely hold it in place.
Just what I was looking for to carry an add on to keep sewer pipes out of my basement, Thanks !! Bob "Q"
Bob Q - 12/01/2020I didn't use these as recommended, but they are working great. Most people mount one of these on the back bumper of their RV and then attach some way to carry a storage box or a bike rack. I didn't like the way they flop around going down the road. All that movement isn't good. Instead I purchased 2 of them and mounted them inline with the frame rails, then welded together a rack to affix a standard pickup tool box and mounted it in the hitches. This supports it from both sides and is stronger since it is mounted inline with the frame rails. They are working great and prevent any movement in the box. It's a rock solid mount.
Bought (2) of them to make to make a removable rack for a small inflatable boat to carry on the back of the trailer bumper. Appears plenty strong have to see how it lasts. Did notice that the chain loops interfere with the 5/8" bent hitch pin hair pin connection. I'll have to make one out of a bolt (they should have though of that).
Victoria B - 10/24/2019Very easy to install (my four year old helped me). We used it for our bike rack on the back of the trailer so it was installed on top of the bumper instead of underneath. This thing holds it very solid.
I was happily surprised at how well made this hitch is, it will last for years and more muscle than I will ever need. Thanks
The Ultra fab 2" RV Hitch Receiver for 4"x4" Bumpers is a very well made piece of steel. It fits our Wildwood Trailer Bumper perfectly. It is built so sturdy we have no worries about using it to haul our bicycles. It is rated at 3.5k!
Rachael H - 05/23/2017Well constructed, very easy to install, negates fabricating or adapting a hitch by taking advantage of existing 4" bumper.
So far it was very easy to put on the Trailer, I used it for a cargo carrier to place a 3000 Honda Generator on the carrier, work great, the next thing I'm going to try is to pull my 2 Waverunners, but I will check the weight first..
Rich A - 07/03/2014I was researching buying a new or used hitch to somehow weld onto my motor home for our bike rack. IN fact, I had already purchased a used hitch when I ran across this one. I immediately got a refund and ordered this from etrailer. It was fairly easy to install though it was a super tight fit. Functionally, it has been fantastic! I don't think I would ever risk pulling anything with it though it is rated for small trailers. It is however perfect for my tandem bike rack. I am very thankful for this economical and smart solution.
Easy product to install and seems strong. That's the good part. The bad part is no one told me these things are bad to put on Camper bumpers. I bought this to put my bike rack into and it worked just as I imaged. Then I found out that the weight from the racks, and bikes puts stress on the bumper welds. I have not had an issue yet but I have seen and read about bumpers twisting from the weight and then the bumper rips right off! That's not a good thing. So I love it but I have only used it 2 times.
We needed a receiver for a bike rack that would fit the bumper of a travel trailer we have. After reading some of the reviews for this item decided to purchase it. It came within a few days of ordering it as promised. It is held on the bumper with U-bolts that fit the bumper perfectly, and tightened with nylock nuts which are better than lockwashers in my opinion. Overall this is a quality product.
I looked over the internet and 3 RV sales and repair locations in my home town looking for a way to mount my spare tire in any place other than underneath. I am truly grateful that I stumbled onto this website. The Ultra-Fab motor home trailer hitch receiver is every bit the quality that was stated in the website. I can use this to mount my tire and still have my hitch receiver to pull my small car. The strength and quality is incomparable to anything I've seen. You won't be disappointed. `BarryC~ Cullman, Al
Receiver bolts right up perfectly to my travel trailer 4'x4" steel bumper. My bumper has a decorative aluminum cladding, but this unit fit just fine over it. This product appears pretty robustly built. In photo this unit looks alot like the much cheaper UF35-946401 (I know because I initially purchased that one, but the u-bolt snapped, so I exchanged for this one). This one is more heavily built, and designed for actual towing. I wanted the peace of mind the heavier product offers. I plan on using to hold a 2 bike platform type carrier. It appears to hold the rack quiet securely. Have not tried it on the road yet, but have no reason to believe it will not perform.
Hitch mounted perfectly to the rear bumper of a camper trailer only problem was that the bumper of the trailer was not strong enough to hold the generator I planned on transporting the hitch is fine good quality well-put-together would buy again
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