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Gooseneck and Fifth Wheel Adapters > Adapts Trailer > Fifth Wheel Trailer to Gooseneck Hitch > Bolts Over King Pin > King Pin Adapters > Adjustable Height > No Offset > 20000 lbs GTW > Convert-A-Ball


Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter - 12" to 16" Tall - 20,000 lbs

Convert-A-Ball Gooseneck and Fifth Wheel Adapters

ratingratingratingratingrating (78 reviews)


Code:   CAB-C5G

Retail:$538.38

Price:$444.95


Shipping Special

Shipping Weight: 66 pounds

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Convert-A-Ball Gooseneck and Fifth Wheel Adapters - CAB-C5G

Use your gooseneck hitch to tow your 5th-wheel trailer by hooking up with this adjustable coupler adapter. Poly cushions absorb shock for a smooth ride. Adjustable height fits multiple applications. 20,000-lb GTW.

Features:

  • 5th-Wheel-to-gooseneck adapter lets you tow your 5th-wheel trailer with your gooseneck hitch
    • Coupler bolts to your trailer's king pin and connects to gooseneck ball
  • Interior polyurethane cushions act as shock absorbers for smooth, safe ride
    • Reduce bounce and vibration
    • Minimize wear and tear on both your trailer and tow vehicle
  • Adjustable height fits multiple applications
  • Fail-safe king pin adapter has built-in, positive-lock feature to secure trailer to hitch ball
    • Steel extension handle lets you slide bar to lock or unlock coupler from outside the truck bed
      • Acts as a latch, keeping adapter secure
      • Can be replaced with a padlock (sold separately) for greater security
  • Durable, cast steel construction
  • Rust-resistant powder coat finish
  • Safety chains included
  • Made in the USA


Specs:

  • Towing capacity: 20,000 lbs
  • Pin weight capacity: 4,000 lbs
  • Application: 2-5/16" gooseneck hitch balls
  • Height: 12" - 16"
  • 2-Year limited warranty


Warning: Not compatible with sidewinder king pins. When used together they produce two pivoting points at both the ball and the turret which is a safety hazard. Also not compatible with any air ride 5th wheel king pin.


Finding the Correct Size Fifth-Wheel-to-Gooseneck Adapter

After backing the vehicle under the trailer, measure from the top of the ball in the truck bed to the base of the pin box on the trailer. This will indicate the height of the adapter that you need.


Convert-a-Ball Collar

Secure Installation

The included collar slides over your fifth-wheel trailer's king pin and is held in place with set screws. Additional, larger set screws that are mounted at the top of the coupler adapter then tighten onto the collar.


Convert-a-Ball Locking Feature

Positive-Locking Feature

This trailer coupler adapter features a simple, secure latching mechanism for safe, easy hookup with the hitch ball. The convenient extension handle grabs the sliding latch so that you can easily lock or unlock the coupler from outside the truck bed. Once the coupler is engaged, hook the handle through the hole in the sliding latch's track to ensure that it remains securely coupled. For extra safety, once the coupler is latched, you can replace the handle with a padlock (sold separately) to secure the trailer to the hitch ball during towing. Use a lock while your trailer is being stored to guard against towaway theft.


Pin Box Length

Note: There are no recommended limits to the length of pin box on which the Convert-A-Ball trailer coupler can be used.




C5G1216 Convert-A-Ball Adjustable Fifth-Wheel-to-Gooseneck Coupler Adapter - 12" to 16"







Video of Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter - 12" to 16" Tall - 20,000 lbs


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

Video Demo Convert A Ball Trailer Coupler CAB C5G
Convert-A-Ball Trailer Coupler CAB-C5G Review
Video install convert a ball fifth wheel gooseneck adapter cab c5g
Convert-A-Ball 5th-Wheel-to-Gooseneck Adapter Review

Video Transcript for Convert-A-Ball Trailer Coupler CAB-C5G Review

Today were going to review part number CAB-C5G. This is the Convert-A-Ball cushion fifth wheel to gooseneck adapter. It is height adjustable from 12 inches to 16 inches and it has a 20,000 pound towing capacity. This fifth wheel to gooseneck adapter will let you tow your fifth wheel trailer with your gooseneck hitch. This coupler bolts to your trailers kingpin and then itll connect to the gooseneck ball in your truck bed. On the inside they do have the polyurethane cushions which will act as shock absorbers for a smooth, safe ride.

They help reduce bounce and vibration and theyll minimize the wear and tear on both your trailer and your tow vehicle. This does have adjustable height which I can show you right here. This will slide up and down for adjustable heights which will fit many applications. It is a fail-safe kingpin adapter. It has a built in positive lock feature to secure the trailer to the hitch ball.

The steel extension handle lets you slide this bar to lock or unlock the coupler from the outside of the truck bed and itll act as a latch by keeping the adapter secure. This part is made of a durable cast steel construction. It does have a rust resistant powder coat finish. It does come with the safety chains which are included. Comes with the locking collar and again the steel extension handle.

This part is made in the USA. It does have a towing capacity of 20,000 pounds. It has a pin weight capacity of 4,000 pounds and it does fit on a 2 5/16th gooseneck hitch ball. Again the height is adjusted from 12 inches to 16 inches. It does come with a two year limited warranty.

First off I want to show you how youd actually install this onto your fifth wheel and your gooseneck. Basically you would start off with this locking collar. It has three large Allen head bolts in it and theres also three indentations. Basically what you would do is on it it says, Top front. So this is the top front right here. Then this white locator mark here is where youll line this up to the exact center on the front of your kingpin box. This would basically slide up onto your kingpin and then you would tighten these Allen head bolts down to where they will rest on the bottom lip of your trailer kingpin. Snug them up and then this would be secured on your kingpin on your fifth wheel. Then this coupler right here will basically slide up onto this collar right in here. It would slide up on here. These three jam nuts right here at the top will actually tighten down into these indentations on the locking collar and you would torque them down to hold it into place. Now on this adapter as you can see right up here it says front, right here it says front. This will basically face your truck cab. This would be pointing towards the front of your truck which would make this locking handle on the drivers side of your truck bed. With this already installed onto your fifth wheel trailer you will slide this up on to the locking collar, torque down these jam nuts right here, and that would secure it into place. Your next step would be to slide this down over the gooseneck ball in your truck bed and then you can adjust the height to where you can see. Right on the back here there are three jam nuts that will tighten down once you get your height selected. Basically this would slide up and down to get you the correct height. One of the things I just wanted to show that youll see when I slide this up too far youll see a red line become exposed. You do not want that red line showing. Thats actually a warning that you do not want to hook it up that way. Anytime you adjust your height you want to make sure that red line is covered up. That it is not showing. If you see that red showing that means you need to lower your trailer until there is no red showing before tightening any of these jam nuts. Then the other feature I wanted to show you was this right here. You slide this to open; its stamped open here, and locks here. If you slide this to open then you would slide that down onto your hitch ball when youre doing your height adjustment. This extension handle is nice to use because you can be outside the truck bed and you can use either end. You can just reach in, move it to the lock position, move it to the open position. Once you move it into the lock position its locked over the gooseneck ball then you can use this other end, the hooked end, as a positive lock feature. Basically what youd do is theres a hole right here, youd slide this hook end from the inside out and then make the extension handle go behind and then just drop this down into your truck bed. It would actually lock this latch from going over to the open position so it is a positive lock feature. Now if you do want greater security you can run a padlock through here which I sold separately and thatll give you greater security to keep this latch from moving to the open position. That should do it for review on part number CAB-C5G.


Customer Reviews

Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter - 12" to 16" Tall - 20,000 lbs - CAB-C5G

Average Customer Rating:  ratingratingratingratingrating4.8 out of 5 stars   (78 Customer Reviews)

Use your gooseneck hitch to tow your 5th-wheel trailer by hooking up with this adjustable coupler adapter. Poly cushions absorb shock for a smooth ride. Adjustable height fits multiple applications. 20,000-lb GTW.


- CAB-C5G

ratingratingratingratingrating by: Joe Brutsche07/17/2014

Is this review helpful?


The Product installed with no problem. I just got back from a 900 mi. round trip to Utah. I was in elevations from 1000 ft above sea level to 9000 ft. above sea level. I It hooks up very easy and is very good compared the my old system. I would have given it a Excellent except that it (rotated) turned about 1/4 of an inch.on the king pin as you can see on the Photos. I will be drilling holes in the King Pin Extension and putting in the four bolts before I take it out again. I was suprised that I did not receive the optional bolts nor was I asked if I wanted them. .I did order on line so I accept responsibility for it. At no time did I feel any safty issues. I had replaced the suspension on my trailer with the easy ride system and combined with your Convert-A-Ball Cushioned System my wife said there was a huge emprovement and I also felt a big difference it the Truck. It is a well engineered product and my raiting will go to Excellent after I put in the four Bolts. You can send me the bolts or I will get my own. Attached are some photos of my Truck and Trailer. The Trailer is a 2000 Forrest River Sierra Sport Toy Hauler. I bought it new. 9200 Dry. (2) 6500 lb Axels 1900 lb. on the Pin (est) If Questions, Feel free to call Have a Great Day JoeB 141891






- CAB-C5G

ratingratingratingratingrating by: Lori R.06/08/2013

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We bought a 2001, 29' Keystone Montana 5th wheel,pulled by a 2008, F-450 with a gooseneck ball in the bed. I researched between the typical 5th wheel mount and the gooseneck conversion. YOUR videos and website gave me the most information, was clear even for a newbe like me and sealed the deal. The dealership that I purchased the 5th wheel from had never heard of this product and wanted to charge me about $125 installation for theirs because of the need to drill and weld. I told them about your product, gave them the You Tube and etrailel.com link. I bought yours and had it delivered to my house. The dealer was amazed at the ease of putting the unit on the 5th Wheel hitch and didn't charge me anything for the labor. I think they will be ordering product from you! Anyway, we have used it for only 2 weeks, it seems perfect in every way. Thank you so much for the ease of ordering, understandable videos, great website and order followup. The only suggestion I would have is to explain the difference in purchasing an offset unit vs. straight (like the one I bought) I was a bit jumpy about not knowing specifically which one I needed and why. Thanks for the great work, I am extremely pleased and I have been telling everyone about your company!!! 83825






- CAB-C5G

ratingratingratingratingrating by: keith h06/17/2013

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I bought a newer pickup that had a ball in the bed of the pickup. I purchased your convert-a-ball adapter, and used it last weekend for the first time. I was very pleased with the ease of installing it. my wife and I did it ourselves. It worked perfect. I feel very safe pulling our heavy rv, and using the convert-a-ball. Thanks for your great invention. It was as good as advertised, and more. 84930





Comments

We have had our convert a ball hltch for over a year,and have pulled with it thousands of miles. It has worked well, with no problems at all. We have gotten more than our moneys worth. thanks.

keith h - 07/07/2014

5369



- CAB-C5G

ratingratingratingratingrating by: Andi E06/24/2013

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This product was a great way to keep the bed of my truck clear by using my flip up goose neck ball to pull my new 5th wheel. I just got back from my first trip pulling through Washington, Oregon, and Idaho and it pulled smooth and great! I had conditions from very hilly two lane roads with 6% slopes to 75mph interstates. I do have to say that the included release lever (the one you can use from the side of the truck) doesnt make any difference because you still have to climb into the truck to remove the chains. Also my truck is a F250 which sits stock a little taller and in the lowest (12") position the trailer rides at an angle up to the truck bed (photo)so a good idea to measure closely before purchase. 85769






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ratingratingratingratingrating by: Danny L06/01/2014

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I just wanted to tell the folks at etrailer how great of an experance I had ordering from them. I ordered a 5th wheel to gooseneck adapter. From the time the phone rang until Wayne had taken my order was less than 2 minutes. These people know their stuff and the price was great. The install was flawless, fit perfect. I was kept informed several times by e mail what the status of my order was. My order came a day early even during a holiday week. I am sure glad to have some room in my p/u bed while pulling my 5th wheel. Thanks Wayne and thanks etrailer 133617






- CAB-C5G

ratingratingratingratingrating by: John W.03/31/2012

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Researched several products similar to this and this was the best. Received it in a few days. Exactly what I needed for my camper. Installation was easy. YouTube video was very helpful. Will recommend to anybody. 35775






- CAB-C5G

ratingratingratingratingrating by: Todd G05/12/2014

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I did receive my package today! Installed and ready for the weekend! Thanks so much for shipping it so soon after it was ordered! You guys at etrailer made my wife's Mothers Day alot more special! Thanks again! 130041






- CAB-C5G

ratingratingratingratingrating by: S. Fuller08/12/2013

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This adapter was very easy to install. Was able to do it by myself in less than 30 minutes. Even thought you don't have to bolt this adapter to the hitch plate, the instruction say that a bolt up kit is available and free of charge. I would recommend this product. Also shipping from etrailer was very quick, and the price was right after shopping around. 94543





Comments

I have a 2014 5th wheel wanting to change to gooseneck, do allmost need to be also bolted down, all seem to have predrilled holes at the neck to do so. The king pin box is a Lippert 1621. What say you. Thanks

comment by: Marvin Pendergrass - 10/03/2013


2139

So long as the system is installed properly, the collar that slides over the pin and the adapater itself will not separate from the pin. The aditional bolt kit is not needed, but can be added if desired. The instructions included with the adapter have information on how to get the bolt kit.

Patrick B - 10/4/2013




- CAB-C5G

ratingratingratingratingrating by: jake01/18/2014

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bolted on really easy and fast and you can switch back to a 5th wheel setup in 10minutes , you don't have to drill into your kingpin box witch every other adapter I looked at you had to do its really safe I work the oilfeilds I towed my camper 100 miles when I first got it most of it old log roads and it did great the camper dosnt wobble at all witch surprised me I thought it would compared to a 5th wheel set up, as always etrailer shipped it very fast and it was perfict when it arrived I've never had trouble with etrailer 114116






- CAB-C5G

ratingratingratingratingrating by: Dawn S.05/01/2012

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Great service and quick delivery! Arrived on my porch three days after ordering. Needed to convert a 5th wheel camper to a gooseneck hitch, since we regularly haul a horse trailer. Installation took about 1/2 an hour and directions were clear and concise. Thanks for a quality product. Will highly recommend your site! 38916






- CAB-C5G

ratingratingratingratingrating by: Rick Truelove07/11/2013

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Set up was as simple as advertised. I was able to do it by myself. Only problem I had is the new 2013 Ram 3500's, the 5th Wheel/Gooseneck factory pre-installed tow package the safety chains are too short. I will have to buy some new chains to fit. I have not towed with it yet, but will post another review after I do. 89036





Comments

Rick TDoes your RV or trailer ride level with the roadway? Are the rims on your rig 18?Im concerned about the adapter making the RV ride too high in the front. Dave

comment by: Dave H - 10/09/2013


2162

Remember this adapter is adjustable, with a range of 12-16 inches. To determine if it will work for your right you can take a quick measurement. On a flat surface, park the 5th Wheel trailer and use the landing gear to get it level. Back the truck under it and measure from the top of the ball to the pin box base, the flat surface where the king pin is welded to. As long as that measurement falls within that range, you can setup the adapter to work with your rig.

Patrick B - 10/10/2013




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ratingratingratingratingrating by: Tom05/04/2014

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This was a clean and simple design that is easy to install. The video and instruction sheet made the install easy. Once installed, the unit made hook up and towing easy. The frustrating part about this is the use of square head bolts. They require the use of a crowfoot wrench to adapt to a torque wrench. These are not easy to find, and they are relatively expensive. Manufacture the bolts with hex heads instead so that a standard 1" socket can be used. 128798






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ratingratingratingratingrating by: John R.07/07/2012

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I just bought a 30ft 5th wheel. I went to pick it up and It took more time to lift the jacks on the trailer than it did to install the gooseneck adapter. It pulled as good as any gooseneck trailer I have pulled. It only required an allen wrench and a cresent wrench to install. The instructions were simple and easy to follow. I could not be more happy with this product. 47047






- CAB-C5G

ratingratingratingratingrating by: Jim Clark03/11/2014

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I ordered this product online and received excellent service, in a very timely fashion. The staff at e-trailer are 2nd to none and very professional with their business and service to their clients. I would highly recommend them to anyone in need of any product that they carry and distribute. I would and will use them again in the future as the need will surely arise. 120306






- CAB-C5G

ratingratingratingratingrating by: bud b11/09/2013

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Great product! Install was quick and easy. Despite the weight I was able to install by myself in less than 20min. The adjustment is a nice feature as well. 106860






- CAB-C5G

ratingratingratingratingrating by: Rudy07/27/2012

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I installed the convert a ball on my fifth wheel trailer, now I have a back and forth motion as I pull it, any suggestions.. 49587





Comments

I have the same problem. Instructions do not say to drill and tap, but I an considering trying this to see if it stabilizes the ride. Any other suggestions?

comment by: Greg S - 01/19/2013


869

It will take some extra work, but it may be worth removing the coupler and making sure the collar is installed properly and then re-install the coupler. If that does not resolve the issue, I would contact Convert-A-Ball.

Patrick B - 2/1/2013



Comments

I get that also usually on bumps.

comment by: Eric - 03/01/2013


1098

Again, removing and verifying the collar install or re-installing it my help. Beyond that, a call to Convert-A-Ball may be in order.

Patrick B - 3/28/2013




- CAB-C5G

ratingratingratingratingrating by: randy e.06/17/2014

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found the adapter to be as good as advertised after installing adapter and pulling trailer i feel that is actually better than i had hope it to be. i would buy this adapter again it i needed one again very pleased.everyone very friendly and helpful.order got on time no hassles so thanks again. 135855






- CAB-C5G

ratingratingratingratingrating by: Heather Jones02/26/2014

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The customer service when buying on line is usually lacking BUT... this has been a great experience with etrailers! We have received no less than three emails letting us know every detail along the way. Thank you so much for that piece of mind that was unexpected but VERY appreciated! 117826






- CAB-C5G

ratingratingratingratingrating by: Henry S04/02/2014

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Good Sturdy piece, I think it will be just what I needed and easy to use. I especially like the quick ordering and shipping service and appreciate the updating the type of shipping, that was a big +. Thanks for the service and the part I needed to get the trailer I bought. 123431






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ratingratingratingratingrating by: Shannon C.06/27/2014

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Was not a big 5th wheel to gooseneck ball adapter fan, just didn't think they would hold up! But after seeing and installing (about 15 min) this product there is no doubt that it will do the job, no worries! Shipping was fast and customer service was awesome! Thank you! 137932






- CAB-C5G

ratingratingratingratingrating by: steve06/26/2014

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product works well as expected, delivery was quick. i used this on my camper. the rod that came with it works for locking the coupler but i still had to crawl over the box side to hook up the safety chains......... but this is still a good quality american made product. 137738






- CAB-C5G

ratingratingratingratingrating by: Nick08/03/2008

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Air ride is the way to go. We got this adapter for a 5th wheel camper, the air ride makes it less noticeable than our gooseneck and I didn't think that was possible. I would highly recommend, took less than 10 minutes to put on, easy release couldn't be any easier! 1129






- CAB-C5G

ratingratingratingratingrating by: Matt P.12/18/2011

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After watching the very informative youtube video, we decided to purchase from etrailer. Our hitch arrived 5 business days after ordering, took 10 minutes to install and worked perfectly bringing our newly purchased 5th wheel trailer home. 28252






- CAB-C5G

ratingratingratingratingrating by: John S.06/10/2014

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I was impressed with the prompt actions and delivery of the gooseneck adapter. It was installed and adjusted in about an hour. I haven't had an opportunity to pull the fifth wheel yet, but will try it out before our next trip in July. 135009






- CAB-C5G

ratingratingratingratingrating by: James01/23/2014

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Really nice hitch simple to install 114588






- CAB-C5G

ratingratingratingratingrating by: Jeremy05/17/2012

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it was easy to put on.It was a good thing i got the 12" to 16" so i could adjust it so it would not hit my tool box on corners, other than that i pulled the camper down the road and i couldn't even tell that it was there, good product 40833






- CAB-C5G

ratingratingratingratingrating by: Mack P.05/09/2014

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What an incredibly efficient and easy adapter to install! Even the shop that installed it wanted to know where I got it from because it was much easier to install than their own. Of course, I told them! Thanks so much e-trailer! 129810






- CAB-C5G

ratingratingratingratingrating by: Shaun Beck06/08/2014

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This adapter was hard to locate however Etrailer did a great job of not only having it but the shipping was nice and fast with easy installation directions! Thank you and in the future I will order other items from your store! 134704






- CAB-C5G

ratingratingratingratingrating by: Preston H.04/01/2014

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Great web site good information in the video. Halve the price of other products of its type. easy to install. ordered an had it in two days. Can't wait to get it out on the road with it. That's for a great product. 123122






- CAB-C5G

ratingratingratingratingrating by: L. F.01/14/2009

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Totally pleased, no problems. Fit well, very stable. Used now for over 20k miles. Mounted, then drilled & tapped kingpin box to make permanent. Been on lots of rough roads (bridges too), never loosened or cracked. 1511






- CAB-C5G

ratingratingratingratingrating by: Matt T08/26/2013

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The adapter was very easy to install and adjust. This will allow me to test drive different trucks with my fifth wheel camper that have the gooseneck ball. The instructions were very easy to follow thank you 97031






- CAB-C5G

ratingratingratingratingrating by: Gary A04/16/2013

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Product was easy to attach and worked like a charm. Had no issues and it seems to be of good quality. Would recommend to anyone that needs to pull a 5th wheel with a gooseneck. Glad I found this product. 76417






- CAB-C5G

ratingratingratingratingrating by: Roy V.08/17/2012

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I recieved product 4 days after I ordered it, talk of fast service you'll are doing a great job. Hitch looks good and tough, I had it on in a couple of hours. Thanks for a great product. Roy Vecchio 52111






- CAB-C5G

ratingratingratingratingrating by: Dennis Adams11/01/2013

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Good it was what I orderd just disapointed that UPS did not deliver it to my address, and not to my neighbor across the street. I was expecting the item on Friday and it arrived Thursday thanks 105988






- CAB-C5G

ratingratingratingratingrating by: william haddock01/22/2014

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By far the best customer service ever for online purchases. I had many questions and they answered them all. And when i placed the order i had a confirmation e mail before i hung the phone up. 114507






- CAB-C5G

ratingratingratingratingrating by: Robert07/17/2014

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Product works great, easy to install. Took longer to arrive than I would have thought but all around great product, I would definitely recommend this to anyone looking for a 5th wheel adaptor 141912






- CAB-C5G

ratingratingratingratingrating by: Chris B. nj06/20/2014

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Product worked excellent first trip was 550 miles and no problem felt great pulled good no slop or wiggle would highly recommend instead of buying a 5th wheel set up easy install also 136724






- CAB-C5G

ratingratingratingratingrating by: Keegan W.05/12/2014

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The hitch showed up very fast and was exactly what they said it was. It was also a great deal with free shipping! Would recommend etrailer.com to everyone looking for trailer parts! 130264






- CAB-C5G

ratingratingratingratingrating by: Rexal03/11/2014

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It was a pleasure to work on something that as easy to install as this. Instructions were very clear and precise. It took about 30 min. And I was finished. I give it a 10. 120182






- CAB-C5G

ratingratingratingratingrating by: Bill Niemeier04/30/2014

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MY CUSTOMERS SEEM TO BE VERY SATISFIED.They are easy to installm and are cushioned.Great product and etrailer is great to work with and very informative on their products. 128312






- CAB-C5G

ratingratingratingratingrating by: Jason03/12/2013

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Heavy duty! Works great. I do repossessions for the finance companies in my area and this thing is a life saver. Keeps me from tying up my bed with a fith wheel carrier. 70291






- CAB-C5G

ratingratingratingratingrating by: gary d05/27/2014

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This is a great product,I needed a hitch that would install quickly.I traveled 6 hours to get a toy hauler.Less than 30 minutes we were hooked up and ready to come home. 132823






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ratingratingratingratingrating by: wendy04/05/2014

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Very easy to install after I watched video. Prompt shipping, excellent communication. Installed mine today on my 5th wheel so I can tow with my gooseneck ball. Love it!! 123913






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ratingratingratingratingrating by: Les05/09/2014

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The instructions were straight forward and installation was easy. You really need 2 people to install the adapter. Haven't used it yet but looks well made and secure 129875






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ratingratingratingratingrating by: George B.03/30/2014

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This hitch was extremely easy to install. It's quite heavy so it took 2 of us, but it probably took less than 15 minutes. Great service from etrailer. Thanks 122842






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ratingratingratingratingrating by: Sam02/06/2013

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Very nice product. I was unsure this was the way I wanted to go but after the Converta-Ball adapter, I'm sold. Great product and very easy to install. 65187






- CAB-C5G

ratingratingratingratingrating by: Gary Stump10/01/2011

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just installedit today on my fifthwheel, was easy and fit extremally well. should of done the conversion a long time ago. thanks for a great product. 24956






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ratingratingratingratingrating by: Bill W03/10/2014

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Everything hooked up easily. Seems very strong no problems pulled 14400 lb 5th wheel camper 250 miles eaqually as good as having a 5th wheel hitch 119997






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ratingratingratingratingrating by: Mike J06/16/2013

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I have a four letter word for this product- "SOLD"--works great easy to install. No cracking or popping noise like the tradional 5th wheel hitch. 84870






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ratingratingratingratingrating by: Jeff L.10/16/2012

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Great quality, super easy installation, easy to understand instructions. Didn't have to drill any holes. Installed on a 2010 Dodge Ram 2500 longbed. 57371




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Ask the Experts about this Convert-A-Ball Gooseneck and Fifth Wheel Adapters
Expert Answers about Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter - 12" to 16" Tall - 20,000 lbs - CAB-C5G                                           Do you have a question about this Gooseneck and Fifth Wheel Adapters?


  • Gooseneck vs 5th Wheel Hitch for Towing My RV Fifth Wheel Trailer
  • A gooseneck adapter that is designed for towing a fifth-wheel trailer, like the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter, # CAB-C5G, is normally used when a person already has a gooseneck trailer hitch installed in the truck and needs to tow both gooseneck and 5th wheel trailers. These adapters are a good solution, but do not provide as nice a ride when towing a fifth wheel trailer. If your truck does not have a hitch installed I would recommend going with a fifth-wheel...
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  • How to Measure to Determine the Correct 5th Wheel to Gooseneck Adapter
  • You will need to measure to determine how long the fifth-wheel to gooseneck adapter will need to be. Park your fifth-wheel trailer on a fairly level surface. Back your vehicle under the fifth-wheel trailer stopping when the center of the king pin is directly above the gooseneck hitch ball, measure from the top of the gooseneck ball on the truck to the base of the pin box on the trailer. This will give you the measurement needed to select an adapter. The adapters we offer range between...
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  • Fifth Wheel to Gooseneck Trailer Hitch Adapter for a Toy Hauler
  • You are correct in that some gooseneck hitches have weight ratings that will handle up to 26,000 pounds or more. However, if you use this adapter, you have to abide by the lowest limiting factor. For instance, if you had a heavy duty gooseneck hitch and then used this adapter to pull a fifth wheel trailer, the adapter would be the limiting factor of 20,000 pounds towing capacity and 2,000 pounds tongue weight capacity. If you are trying to tow your toyhauler fifth wheel with the Fifth Wheel...
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  • What is the Best 5th Wheel Trailer Hitch or Gooseneck Option to Maximize Space in My Truck Bed
  • The best way to maximize the usable space in your truck bed, while still using a 5th wheel, is to use a Signature Series 5th wheel. When not in use, the 5th wheel can be removed leaving 4 mounting feet in the bed that rise only a couple of inches above the bed. I have attached a video below showing installation to give you a better idea of how the Signature Series works. If you wanted to go with a gooseneck, you could use something like a Hide-A-Goose. With this hitch, the ball can be...
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  • Will Fifth Wheel to Gooseneck Adapter CAB-C5G Work with a 33 Foot Holiday Rambler
  • The adapter will bolt attach to any standard Fifth Wheel king pin, but you will need to take some measurements to be sure it will fit. After backing the vehicle under the trailer, measure from the top of the ball on the truck to the base of the pin box on the trailer. The adapter we carry is adjustable between 12 and 16 inches. Please note, that these adapters are not to be used in trucks with less than a 6 foot bed. Also note that these adapters are not meant to be used permanently....
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  • How is Height Adjusted on Convert-A-Ball 5th Wheel to Gooseneck Adapter Part # CAB-C5G
  • The Convert-A-Ball Cushioned 5th Wheel-to-Gooseneck Adapter uses two set bolts that when loosened, will allow the height of the adapter to be adjusted from 12 to 16 inches. This adapter is the only cushioned height-adjustable model we offer. If you click on the smaller photos on the product description page, you can see the adapter at different heights. I have also edited a photo that shows the adjusting bolts.
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  • Choosing Between Convert-A-Ball and Reese High-Rise Gooseneck-to-5th-Wheel Adapters
  • If you were only planning on towing a fifth wheel trailer occasionally, but towing a gooseneck the majority of the time, going with the Convert-A-Ball Gooseneck adapter you referenced, part # CAB-C5G would be your best choice. Since you are planning on towing a fifth wheel trailer the vast majority of the time (maybe exclusively) the Hi-Rise Gooseneck-to-5th-Wheel Adapter would be the safer and easier to use alternative.
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  • Can the CAB-C5G 5th Wheel to Gooseneck Adapter be Used without Bolting or Welding to Trailer Pin Box
  • Yes, you can use the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter, # CAB-C5G, without bolting it to the trailer king pin boxes. This is the best option for this coupler because it allows you to tow different trailers without the need for modification to the trailer pin boxes. This also makes the adapter fairly easy to move from trailer to trailer. One thing I would like to mention is that any of the offset adapters for short bed pickups, like part # CAB-C5GX1216, will require...
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  • Does a 5th Wheel to Gooseneck Adapter Add Stress to a 5th Wheel Trailer Towed by 2011 Ford F-350
  • Using a 5th wheel to Gooseneck adapter, like the Convert-A-Ball Multi-Cushioned 5th-Wheel-to-Gooseneck Coupler Adapter, # CAB-C5G, can apply added stress to the trailer frame. You will need to contact Keystone to determine if the trailer can be used with a 5th wheel to gooseneck adapter. The biggest drawback will be a decrease in ride quality. If the trailer has an extended pin box or requires additional support, reinforcement of the trailer frame will be required and should be performed...
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  • Determining Needed Fifth Wheel to Gooseneck Adapter Height
  • The easiest way to do this would be to determine the exact adapter height you need. You will need to take some measurements. Jack the trailer so that it is level, and then back the truck up as if you were hitching it. Measure the distance from the bottom of the pin box (not the king pin) to the top of the gooseneck ball. (See provided diagram). This distance is the adapter height needed. You will also need to make sure there is a minimum of 6 inches clearance between the bottom of the trailer...
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  • Will 5th Wheel to Gooseneck Trailer Hitch Adaptor CAB-C5G Help With Trailer Lurching and Bouncing
  • The Convert-A-Ball fifth-wheel to gooseneck adapter # CAB-C5G should help with the bouncing and lurching you have been feeling, as the cushioning inside the adapter will soften the back and forth and up and down motions at the point where the trailer is connected to the vehicle. Movement would limited to a maximum of 3/4 of an inch, smoothing your ride considerably. You would also notice a difference in the severity of the hard jerks and loud clangs you get when pulling forward or stopping. To...
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  • Gooseneck to 5th Wheel Trailer Adapter Recommendations and Safety
  • There are actually two possible options for you. Depending on which gooseneck hitch you have, you may be able to use a gooseneck hitch to 5th wheel trailer adapter. Take a look at the Hi-Rise Gooseneck-to-5th-Wheel Trailer Hitch Adapter, # 9480. This hitch will fit in a Hide-A-Goose hitch by Draw-Tite or Reese. With this option, you will not need to make modifications to the trailer and the 5th wheel hitch can be removed when you need to tow a gooseneck trailer. The Hi-Rise is made...
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  • Ride Quality and Safety when Using a 5th-Wheel-to-Gooseneck Adapter with a 32 Foot Trailer and F-350
  • The reason that ride quality suffers a bit with a gooseneck adapter like part # CAB-C5G, is because the fifth-wheel trailer pin box and framing are designed to be towed on a fifth-wheel hitch. The extra distance down to the gooseneck ball in the bed of the truck causes torque on the trailer chassis which in turn causes the pin box and trailer frame to flex, which contributes to what is know as chucking and bouncing. This issue can be worse with some trailers and hardly noticeable with others....
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  • Bolting Down a Fifth Wheel to Gooseneck Cushioned Trailer Adapter
  • You may not need to drill holes in the pin box of your new fifth wheel to use the Fifth Wheel to Gooseneck Cushioned Trailer Adapter, part # CAB-C5G. If the pin box already has holes in it, you would bolt the adapter to the bottom of the pin box without having to drill. You may also want to consider the High Security Stainless Steel Disc Padlock, item # DT40124, to secure the coupler latch and secure the coupler to the gooseneck ball.
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  • Best Way to Tow Fifth Wheel Trailer With 2014 Dodge Ram 2500 With Factory Tow Prep Package
  • Of your two choices to carry your fifth wheel trailer with your 2014 Dodge Ram 2500 with the towing prep package, the less expensive option is the 5th wheel to gooseneck adapter. For a converting adapter I recommend the Convert-A-Ball # CAB-C5G. This adapter has a towing capacity of 20,000 lbs and a pin weight capacity of 4,000 lbs. This adapter has height adjust-ability of 12 to 16 inches and requires a 2-5/16 inch gooseneck hitch ball. If you determine you need an adapter with...
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  • Which Gooseneck Adapter, Andersen Ranch Hitch, Colibert, Or Convert-A-Ball for a Recessed Gooseneck
  • The Convert-A-Ball Multi-Cushioned 5th-Wheel-to-Gooseneck Coupler Adapters are going to be your best choice if they will work with the recessed gooseneck hitch on your Hillsboro flat bed. I took some measurements and found that the coupler is overall 7 inches wide at the base where it sets on the hitch ball. From the front of the housing where the handle is located to the center of the hitch ball the measurement is 5 inches and then 2 inches to the back side of the coupler from the center...
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  • How To Select the Right Height Adapter for My Gooseneck to 5th Wheel King Pin
  • Yes, you should be able to measure from the top of the ball on your gooseneck setup to the top of the fifth-wheel head, where the pin box rests, to get the correct measurement for selecting the proper gooseneck adapter.
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  • Does the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter Need to Be Bolted to the King Pin
  • It is not required that you run bolts through the bolt holes of the hitch plate bolt holes of the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter # CAB-C5G, but if you want to you can contact Convert-A-Ball and they will supply you with a bolt kit. Convert-A-Ball guarantees that if you install this product correctly you will not need to use the bolt holes. The reason the bolt holes are there is because this adapter shares the same hitch plate as the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck...
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  • Towing a 5th Wheel Trailer with a Gooseneck Trailer Hitch in a 2011 Dodge Ram 3500
  • There are a few different options for towing a 5th wheel trailer with a gooseneck trailer hitch. The best solution and most secure that will also offer you the best ride is a Goose Box. The Goose Box fits in place of the trailer pin box and has attaches to a gooseneck ball in the truck. In order to use the Goose Box you will need to have a specific trailer pin box. If the pin box is a Lippert 0719, 1621, 1621HD, or Fabex PB-600 series you can use Goose Box # RP94622. If the pin...
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  • What size ball fits the Gooseneck cushioned trailer adapter CAB-C5G?
  • The Fifth Wheel to Gooseneck Cushioned Trailer Adapter fits a 2-5/16 inch ball. This adapter is adjustable between 12 and 16 inch sizes, so it is best to measure from the top of the ball on the truck to the base of the pin box on the trailer to find the correct size for your application.
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  • How to Attach Fifth Wheel to Gooseneck Cushioned Trailer Adapter # CAB-C5G to the King Pin
  • On the Fifth Wheel to Gooseneck Cushioned Trailer Adapter, # CAB-C5G, you do not have to do any welding or bolting, the collar slides over the king pin and there are set screws that are tightened around the king pin. Then the adapter is screwed to the collar over the king pin. The mounting screws are included. If you want a semi-permanent application then the adapter can be screwed to the trailer or if you want a permanent application it can be welded to the trailer.
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  • Will the Fifth Wheel to Gooseneck Cushioned Trailer Adapter Fit On My Gooseneck Ball and King Pin
  • Yes, the Fifth Wheel to Gooseneck Cushioned Trailer Adapter, part number CAB-C5G, will install easily to your fifth wheel king pin and your 2-5/16 inch gooseneck hitch ball. You will need to measure to determine the correct height adapter that you will need for your application. After backing the vehicle under the trailer on a level area, measure from the top of the ball on the truck to the base of the pin box on the trailer, this measurement will let you determine which size adapter...
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  • Dimensions and Recommendations for a 5th Wheel Trailer to Gooseneck Hitch Adapter
  • At the absolute most narrow point the adapter is about 9-1/2 inches in circumference and about 3-1/2 inches in diameter. The overall height at 16 inches is actually about 17-1/2 inches from the bottom of the adapter to the top where it attaches to the trailer. To find the correct height you will need, first park the truck and trailer on level ground. Make sure you have 4 inches of clearance between the top of the bed sides and the bottom of the trailer loft for pitch and roll. Then,...
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  • Can Convert-A-Ball 5th-Wheel-to-Gooseneck Adapter # CAB-C5GX1216 Be Used Without the Offset
  • The Convert-A-Ball 5th-Wheel-to-Gooseneck Adapter w/ Offset, part # CAB-C5GX1216, is designed as one piece and to be used as a 5th-wheel-to-gooseneck adapter that requires an offset of 7-1/2 inches. It is not made to be taken apart. It would be used on trucks with shorter than 8-foot beds, but not shorter than 6-foot beds. If you do not need the offset on your 2008 Ford F-150 you can use the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter, part # CAB-C5G. This is the same...
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  • Towing Multiple 5th Wheel Trailers with a Gooseneck Hitch in a Flat Bed Truck
  • Your best option is going to be an adapter like the one you referenced, # CAB-C5GX1216. However, keep in mind that the offset does not move the pivot point back on the truck so no extra clearance will be gained when making tight turns. The models with the offset do have to be bolted to the pin box on the trailer. The regular straight models like # CAB-C5G do not. The length of your flat bed is also a factor. If the distance from the gooseneck ball to the end of the truck is greater than...
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  • Towing 5th Wheel Camper with Ford F-150 That Has Flip-Over Gooseneck Hitch
  • There are several ways to mate a 5th wheel trailer to a gooseneck hitch. You may want to review the linked article for background on the available options. You can use a Curt X5, part # C16210, to adapt your existing Reese 5th wheel hitch to your F-150 goose ball. This adapter plate will work with your Flip and Store gooseneck hitch and your Reese 5th wheel head and features a black carbide finish. Please note that bed liners may affect installation of this item. Another simple cost-effective...
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  • How to Select the Correct 5th Wheel Trailer to Gooseneck Adapter for a 2011 3500 Chevrolet Silverado
  • I would recommend installing a fifth-wheel trailer hitch and custom install kit in your 2011 3500 Silverado with 6 foot bed for the best towing performance and ride with a fifth-wheel trailer. The parts needed for this installation would be the custom install kit, # RP50066-58, and a fifth-wheel hitch with slider, # RP30083. The slider unit will provide 12 inches of clearance when maneuvering the trailer in tight situations with your short bed truck. If your occupation, or some other...
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  • Fifth Wheel to Gooseneck Cushioned Trailer Adapter Torque Load on Kingpin Box
  • This adapter will not put any excessive torque on the kingpin box. However this adapter is not designed for continual or cross country use. The ideal purpose is for adapting the trailer to your gooseneck for a short trip. We do have customers that do use this continually. Usually a rougher ride is the outcome, but it would not damage the kingpin box.
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  • How To Determine Height Needed On 5th Wheel-to-Gooseneck Coupler Adapter On A 2005 Dodge 3500 4WD
  • To see what height you will need on your 5th Wheel-to-Gooseneck coupler adapter you can back your 2005 Dodge Ram 3500 4WD Dually truck into position as if you were hooking up your fifth-wheel trailer, making sure that the truck and trailer are level. Make sure you have 4 inches of clearance between the top of the bed sides and the bottom of the trailer loft for pitch and roll. This should get you the right measurement to make a decision. Then, measure from the pin plate (the bottom...
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  • Will Convert-A-Ball 5th-Wheel-To-Gooseneck Adapter # CAB-C5GX1216 Work on Ford F-450 And RV
  • As long as you have a gooseneck hitch on your 2011 Ford F-450 Super Duty truck, the Convert-A-Ball Cushioned 5th-Wheel-To-Gooseneck Adapter # CAB-C5GX1216 is a compatible fit for your RV. The coupler will bolt to your trailers king pin and will connect to the gooseneck ball. This item features a height differential of 12-16 inches. To find the correct size, you will need to back the vehicle under the trailer, measure from the top of the ball in the truck bed to the base of the pin box...
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Info for this part was:


Test Fit:
Joe V

Expert Research:
Michael L

Expert Research:
Sarah L

Video by:
Andrew K

Expert Research:
Robert G

Expert Research:
Michael H

Expert Research:
Jeff D

Expert Research:
Katherine H

Expert Research:
Jameson C

Expert Research:
John H

Updated by:
Adele M

Expert Research:
Adam R

Updated by:
Laura H

Expert Research:
Jeffrey L

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