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  1. Trailer Hitch Ball Mount
  2. Convert-A-Ball
  3. Adjustable Ball Mount
  4. Fits 2 Inch Hitch
  5. Drop - 9 Inch
  6. Rise - 7 Inch
Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount - 7" Rise to 9-1/2" Drop - 5,000 lbs
Convert-A-Ball

Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount - 7" Rise to 9-1/2" Drop - 5,000 lbs

Part Number: CAB-UM
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Trailer Hitch Ball Mount
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This ball mount is cushioned both vertically and horizontally, and you can move it up or down as needed to level your trailer. Simply pull out the pin to change heights. You can turn it over to use it in a rise position, too. Fits 2" hitches. Great Prices for the best trailer hitch ball mount from Convert-A-Ball. Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount - 7" Rise to 9-1/2" Drop - 5,000 lbs part number CAB-UM can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (1263)
  • Q & A (0)
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Convert-A-Ball Trailer Hitch Ball Mount - CAB-UM

  • Adjustable Ball Mount
  • Fits 2 Inch Hitch
  • Drop - 9 Inch
  • Rise - 7 Inch
  • No Ball
  • 5000 lbs GTW
  • Class III
  • Shock Absorbing
  • Convert-A-Ball
  • Steel Shank - Gloss Black
  • 1 Inch Ball Hole Diameter

This ball mount is cushioned both vertically and horizontally, and you can move it up or down as needed to level your trailer. Simply pull out the pin to change heights. You can turn it over to use it in a rise position, too. Fits 2" hitches.


Features:

  • Cushioned to protect tow vehicle's driveline and hitch assembly, as well as trailer's contents
    • Polyurethane interior acts as a shock absorber, reducing bounce and rhythmic vibration
  • Adjusts easily: moving hitch ball height up or down is as simple as removing and reinserting the pin
  • Slides easily into 2" square trailer hitch receiver and attaches with 5/8" hitch pin (sold separately)
  • Constructed of powder coated steel with interior polyurethane cushion
  • Made in USA


Specs:

  • Fits 2" x 2" trailer hitch receivers
  • Towing capacity: 5,000 lbs
  • Tongue weight capacity: 500 lbs
  • Maximum rise: 8-1/2"
  • Maximum drop: 9-1/2"
  • Ball hole diameter: 1"
  • Distance from center of ball hole to center of hitch pin hole: 11"
  • Adjusts by 1-1/2" increments
  • 2-Year limited warranty


Cutaway views of the ball mount shank showing the polyurethane cushioning

Cutaway views of a Convert-A-Ball ball mount shank, showing the polyurethane cushioning.

This Convert-A-Ball ball mount meets or exceeds THMAV-5 ratings in all categories and meets SAE standard J-684.


How to Measure Drop on Adjustable Ball Mount


UM Convert-A-Ball Dual Cushioned Adjustable Ball Mount - Max Rise 7", Max Drop 9-1/2"





Customer Satisfaction Score:


Customer Reviews

Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount - 7" Rise to 9-1/2" Drop - 5,000 lbs - CAB-UM

Average Customer Rating:  4.9 out of 5 stars   (1263 Customer Reviews)

This ball mount is cushioned both vertically and horizontally, and you can move it up or down as needed to level your trailer. Simply pull out the pin to change heights. You can turn it over to use it in a rise position, too. Fits 2" hitches.

by:

We bought this to tow our 3,000 lbs. boat with our Subaru Ascent with a 5,000 lbs. towing capacity. With the OEM ball mount, we could really feel every jolt and jiggle from hard stops, going over bumps in the road, and trailering down dirt roads.

However, the dual cushion ball has really improved our trailing experience. Once we get up to speed, we hardly notice we are towing our boat. It's also great because some of the lakes we visit are down dirt roads, and the cushion makes this a much more pleasant experience. I would highly recommend this to anyone towing a boat or larger trailer with a SUV as it maintains that comfortable ride and the jostling of the trailer is much less noticeable.



by:

A year has passed with my Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount and I have nothing but praise for this mount. Once you find the correct height to have a perfectly level trailer there's no need to adjust. The beauty lies in the cushioning! Towing a Yamaha AR190 (3200lb boat and trailer combo) is silent. Even over the bumpiest pavement the tow is smooth. There is no harsh slamming when braking or taking off from the boat ramp. I don't know why everyone isn't running one of these, I wouldn't run any other hitch mount PERIOD! If you're on the fence, get off and buy one, you will NOT regret it!

Andrew H. profile picture

Andrew H.

7/9/2017

Ive been using this mount since the summer of 2015 and love it. The bare steel inside is rusting and turning orange, but the mount works the same as I did day 1.



by:

I received my order in a timely manner. Very pleased with the quality.

Thomas S. profile picture

Thomas S.

8/9/2019

I have made two trips from Boston, MA, to Columbus, Ohio. Pulling my trailer with my Harley Davidson on it. I have been very pleased with the performance.



by:

I needed an adjustable drop hitch to pull my new 13 foot Scamp camper with my F150 Raptor and this hitch does the job. As always with etrailer you get great service and the help videos are the best. Ordering from etrailer beats the heck out of driving all over town trying to find what you need and the fast and free shipping isn't bad either.

Tm profile picture

Tm

4/2/2016

Still a Great Hitch, I traded trucks but did not have to trade hitches, very happy with it.



by:

Rusted within 30 days. The manufacturer refused to warranty the product. I have continued to use it, but it has required some serious rust mitigation and is a flawed product.

Jenny N. profile picture
Etrailer Expert

Jenny N.

4/7/2023

To be honest with these type of ball mounts, rust would not be covered under warranty. I recommend keeping a rust resistant spray on hand to touch up the ball mount as rust will be inevitable given outside exposure.



by:

This hitch is superior to most adjustables in that it leaves more clearance underneath than most competitive brands (less dragging) when in the "drop" position. It completely solved the problem (dragging, gouging roadway in dips, etc.) when towing with my motorhome with a high hitch receiver. Also, it's considerably heavier duty than appears in the illustrations.



by:

All is good but for two things. I got a lot of clucking towing my travel trailer around town. The last hole ,furthest away from ball end,I think was drilled of center. The pin that was supplied would not pass. Used pin from another hitch company,that worked.



by:

Best trailer hitch I ever had. Takes away all the noise that is usually associated with ball hitches and makes you forget you are even towing.



by:

I use this mount to allow for clearance of my boat windshield under my 7' garage door. When I'm towing I raise it to level, then I drop to the lowest point when landing it in the garage. It's also really quiet with the cushioned mounts. The paint doesn't really hold up to the raising and lowering, but this would be way more expensive in stainless. Overall great product. And it is made in the USA which is rare.



by:

I've had the cushioned draw bar on my Silverados for many years and love them. Brian from etrailer had this latest version to me 2 days after I ordered it, that was extremely fast . Thanks Brian ! This is for for my up coming 700 mile trip up North pulling a trailer with my sons new Side by side ATV. This trip should be a breeze with this new hitch. We haven't put the hitch on yet , but I don't forsee any problems
thanks etrailer for you're help !



by:

Good product. Very substantial (heavy) and functions as advertised. Etrailer has great information on it which helped me make an informed decision. The vertical receiver part could have a built in anti-rattle device which would make it even better with the cushioning. It could have a set screw or bolt or be rubber lined or something.
Overall great product and service.



by:

Two problems with this item. First, if you have any play between your receiver and the shank of this mount, you can't use most solutions to stop that rattle as the shank is solid. Next, there's also movement between the vertical pipe and the horizontal shank, enough that there is noise while towing, something I wouldn't have expected from a cushioned mount. I wound up swapping this with the cheaper 80412 that doesn't have these issues.



by:

Well built, quality welds, adjustability great for using this hitch on our truck car, and side by side.



by:

Arrived in 2 and a half days and I live in Hawaii!
eTrailer staff were courteous and professional.
Hitch mount I purchased is well built and exceeded my expectations.



by:

Like the fact that I can move this hitch from my car to the wifes and set the hight to tow the trailer level.



by:

four stars because I have not used it yet,and not sure when I will.Not going to take the new truck out in the salt. It looks well made and has a wide range of settings,the reason I bought it. My experience with etrailer was easy ordering and fast delivery.



by:

This is a very robust product. I am sure it would carry a heavy class III trailer load with ease.



by:

Great adjustable hitch! Very easy to adjust and very sturdy (plus very heavy!).



by:

The connection Between vertical and horizontal sections Does not allow the pin to be placed easily I had to use a hammer to force the pin IN place I hope after it gets some use it loosens up



by:

Solid built. Fully adjustable. Great pr oduct!



by:

It is a great produvt and takes all of the noise away. No more clanging and banging as before without the isolation



by:

Been burnt before with online ordering, first time in a couple years Everything went smooth, appreciated having the status of the order updated all the way to delivery



by:

This product work very well towing my boat. Less jerking back and forth. Much smooth ride.



by:

Well made, exactly as pictured and described. Excellent service and fast shipping!



by:

The BEST!! Customer service goes above and beyond to assist with returns as well as determining the correct products to use!! THANK YOU!!!


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Show More Reviews

See what our Experts say about this Convert-A-Ball Trailer Hitch Ball Mount

  • Parts Needed To Tow a Small Travel Trailer With Electric Brakes Behind a 2014 Subaru Outback
    It appears you have it figured out on your parts. My only alteration on the parts would be using the Curt Easy Mount Bracket # C58000 to attach 7-Way # ETBC7 rather than the Mounting Plate # 18136. This is due to having the hidden cross tube on etrailer Trailer Hitch Receiver # e42TR and the Curt Bracket # C58000 will attach to the end of the receiver to hold the 7-way. Here is the list of parts I recommend with the other bracket. etrailer Trailer Hitch Receiver # e42TR T-One Vehicle...
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  • Cushioned Ball Mount for Use in 2014 Ford F-150 Factory 2-Inch Hitch Receiver
    All of the aftermarket hitches we offer for your 2014 Ford F-150 also have the same 2-inch size receiver tube and this is the size that is compatible with the cushioned ball mount you referenced, Convert-A-Ball # AMSC4. When choosing a ball mount you need to match the size, of course, but also the Class Rating (Class IV or Class V for the hitches we offer). You also want to choose a ball mount that has the correct amount of rise or drop to allow your trailer's frame to remain level with...
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  • Can Convert-A-Ball Adjustable Ball Mount # CAB-UM Be Used with 5,000 lb Trailer
    Weight capacities are designed to tell you how much weight it can be used with and have it still be totally safe. The Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount # CAB-UM has a 5,000 lb weight capacity. If you are absolutely sure you'll never be over 5,000 lbs this will work well for you and it would not be pushing it to the limit.
    view full answer...
  • Is There a Shock Absorbing Ball Mount That Can Be Used With Sway Control
    I do have an option for you but there would be no way to attach a sway control mount to the Gen-Y Glyder Shock Absorbing Ball Mount part # 325-GH-12001. Instead, I recommend the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount part # CAB-UM which should then be able to used with the Reese Sway-Control Bracket part # RP26003.
    view full answer...
  • How Can I add Sway Control to my 2019 VW Atlas Without Weight Distribution
    While there is no way to attach an anti sway system to the Glyder for Gen-Y part # 325-GH-12005. I do have a solution for you. You can use the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount part # CAB-UM which isn't as clean looking of a product it is very effective and will accomplish the same goal as it is cushioned. Check out the video on it linked I have linked for you. To that you can add the Reese Friction Sway Control Kit - Economy part # 83660 and the Reese Sway-Control Bracket...
    view full answer...
  • Will the Convert-A-Ball Dual Cushioned Ball Mount Work at Max Rise on a 2005 Jeep Liberty
    I went out to the warehouse and pulled the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount, # CAB-UM, and took some measurements for you. The most critical measurement is going to be the measurement from the center of the hitch pin hole, to the back of the ball platform, which is 6 inches, and the measurement from the top of the receiver shank to the top of the ball platform, which is 8-1/2 inches, in the max rise position, see photo link. As long as the distance out from the center...
    view full answer...
    Image 1 for
  • Can Convert-A-Ball Cushioned, Adjustable Ball Mount, # CAB-UM Be Used in the Rise or Drop Position
    Yes, you can use either piece of the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount, # CAB-UM, in the rise of drop position to find the configuration that is best for you. I have included a link to a video review of this ball mount for you.
    view full answer...
  • Distance from Center of Ball Hole to Pin Hole of Adjustable Ball Mount # CAB-UM
    The distance between the center of the ball hole and the hitch pin hole of the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount # CAB-UM is 11 inches.
    view full answer...
    Image 1 for
  • Recommended Ball Mount For a 2011 GMC Terrain Towing Several Different Height Trailers
    As long as your 2011 GMC Terrain has the standard size wheel and tire combination on it, the Convert-A-Ball Ball Mount, item # AMSC2, would be the most versatile ball mount that is not adjustable. We do carry many different styles of adjustable ball mounts that may be a better choice if you tow several different height trailers, see link. One of these that I like to recommend is the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount - 7 inch Rise to 9 inch Drop - 5,000 lbs, item # CAB-UM....
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  • Recommended Trailer Hitch Receiver for 1979 Ford F-250
    I recommend the Curt Class III Trailer Hitch Receiver # 13028 for your 1979 Ford F-250. This hitch will fit either the standard bumper or the deep drop bumper. It will however, not fit if you have lower rear fascia or a rollpan or tube bumper. It is a bolt on installation but does require some drilling. For trailer wiring you can use the Tekonsha Wiring Harness # 18252. This will add a 4-pole onto the back of your truck and includes quick-splice connectors to make it easier to hardwire. If...
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  • Will a Cushioned Ball Mount Work with Surge Trailer Brakes
    The cushion inside of the Convert-A-Ball cushioned ball mount # AMSC4 would have only a slight affect on the surge coupler on your trailer. You may not even notice it. The cushion is very dense and the more pressure that is put on it the firmer it gets. It would take more force to compress that cushion than to actuate the surge coupler. Cushioned ball mount # AMSC4 has a 2-3/4 inch rise or 4 inch drop but there are other options if you need a different rise or drop to tow the trailer level: #...
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  • Recommended Trailer Hitch Ball Mount for 9 Inch Drop To Level Coupler Height
    It sounds like you want a fixed style ball mount. For that, I recommend the Convert-A-Ball Ball Mount for 2" Hitches - 8-3/4" Rise - 10" Drop - 8,000 lbs # AMSC10. This will give you the drop needed plus a little to allow the trailer to sit slightly forward instead of slightly raised which allows for better tracking and sway control than the latter. This also has a built in cushion for comfort. You will also need the 2-5/16" Hitch Ball # C40007 or # 40038. If you want the level towing...
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  • Hitch Lock Set Recommendation for Convert-A-Ball Adjustable Ball Mount CAB-UM
    An excellent option for you is the Master Lock Hitch Receiver and Coupler Latch Lock Set # 2848DAT. This set includes two locking hitch pins with a 2-3/4 inch span (usable pin length) and an adjustable coupler latch lock to fit almost any size coupler, all keyed alike. When measuring the Convert-A-Ball Adjustable Ball Mount # CAB-UM, I found that the outer portion of the shank is exactly 2.52 inches. This means that you'll have minimal (less than 1/4 inch) play between the shank and the...
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    Image 1 for
  • Comparing the Convert-A-Ball Dual-Cushioned Ball Mount To Other Cushioned Ball Mounts
    The Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount part # CAB-UM is indeed an excellent option that will help improve the overall towing experience by decreasing the felt road shock in the tow vehicle. The Convert-A-Ball in particular as you mentioned provides both up and down as well as side to side support via the polyurethane core. The advantage of the polyurethane core over other products which use rubber like the Gen-Y Glyder Shock Absorbing Ball Mount part # 325-GH-12005 or...
    view full answer...
  • How to Determine Correct Ball Mount Rise or Drop for Towing a Trailer with a 17 Inch Coupler Height
    Normally trailer coupler height is around 17 inches, from the ground to the bottom of the coupler, and most hitch manufacturers design their hitches to work with a ball mount that will end up very close to this measurement. I am including a link to an instruction page detailing how to measure for the correct ball mount and how to measure the ball mount. With the Curt Trailer Hitch, item # 13555, for your 2008 Honda CRV the recommended ball mount is the Draw-Tite Ball Mount, item # 2753,...
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  • Recommended Ball Mount for 2" Hitch with 7" Rise
    I have just what you need, the Curt Ball Mount part # C45338 which has a 7" rise and is designed for a 2" trailer hitch. This is a fixed ball mount but we have adjustable options, the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount part # CAB-UM which has built-in cushioning. If you go with the Curt Ball Mount, you'll also need the Hitch Ball part # A-90 for 2". If you go with the Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount, you'll need the Convert-A-Ball Interchangeable...
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  • Sway-Control Bracket For Convert-A-Ball Cushioned Adjustable Ball Mount
    Yes, you can add a sway control bracket and sway bar to the Convert-A-Ball Dual-Cushioned adjustable ball mount # CAB-UM. I recommend to use the Reese Sway-Control Bracket part # RP26003 and the Reese Friction Sway Control Kit part # 83660 that is designed to be used with the Reese sway control bracket.
    view full answer...
  • Does Orientation of Convert-A-Ball Dual-Cushioned Ball Mount Affect Capacity
    The Convert-A-Ball Dual-Cushioned Adjustable Ball Mount # CAB-UM that you referenced can be used in either orientation to create up to a 7 inch rise or a 9-1/2 inch drop. Whether you insert the shank upside down or right side up, the capacities (5,000 pounds towing and 500 pounds tongue weight) remain the same. I have attached a short video demonstration that you can check out as well.
    view full answer...
  • Can The Curt RockerBall Be Used With Convert-A-Ball Shock Absorbing Ball Mount?
    I personally spoke to Curt who informed me their Curt RockerBall Shock Absorbing 2" Hitch Ball # C40047 should not be used with the Convert-A-Ball Ball Mounts including # CAB-UM. For the best experience I recommend using a ball mount with the correct amount of drop with the RockerBall and a anti-rattle. This will eliminate the play between the ball mount and your receiver allowing the RockerBall to absorb the trailer shock. We have a couple kits which have all the parts listed below otherwise...
    view full answer...
  • Does The Curt Rebellion XD Shock Absorbing Adjustable Ball Mount Require A Minimum Tongue Weight
    There is not an exact set minimum tongue weight for the Curt Rebellion XD Shock Absorbing Adjustable Ball Mount w/ 2" part # C45949-22516 however it is not going to be very effective on a light weight trailer. We have asked Curt before about lightweight trailers between 2k and 5k and they do agree there won't be enough tongue weight to compress the cushioned isolator so you would essentially be paying for something you can't use. I recommend to use the Convert-A-Ball Dual-Cushioned part...
    view full answer...
    Image 1 for
  • Available Cushioned Adjustable 2-Inch Ball Mount
    We do offer a cushioned 2-inch ball mount exactly like what you described. The Convert-A-Ball Dual-Cushioned 5K Adjustable Ball Mount # CAB-UM not only provides cushioning for a smoother ride but it also adjustable in height to let it easily accommodate different trailer heights. You can use 2-inch hitch ball # 63845.
    view full answer...
  • Replacement Ball Mount Leg For Convert A Ball Adjustable Ball Mount
    The Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount - 7" Rise to 9-1/2" Drop - 5,000 lbs Item # CAB-UM comes as a kit. We do not currently carry just the ball mount leg.
    view full answer...
  • Correct Use of Roadmaster 10 Inch High-Low Hitch Adapter
    Tow bars are used behind motorhomes or trucks to tow a vehicle. The Roadmaster 10 inch High - Low Hitch Adapter, part number RM-048-10, is not designed to have tongue weight applied to it like when towing a boat trailer, utility trailer or camper. This adapter is designed for applications where the towed vehicle is resting on its own four wheels and being pulled by another vehicle with a tow bar. We do have ball mounts with a 10 inch drop or more and adjustable draw bars that will allow...
    view full answer...


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