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  1. 5th Wheel Hitch
  2. CURT
  3. 25000 lbs GTW
  4. Above Bed Rails
  5. Sliding 5th Wheel
  6. Standard - Double Jaw
THIS ITEM IS NOT A FIT FOR
2002 Chrysler 300
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CURT

Curt A25 5th Wheel Trailer Hitch w/ S25 Slider for Ram - Dual Jaw - 25,000 lbs

Part Number: C66FJ
In Stock
$1,654.85
5th Wheel Hitch
Not Confirmed to Fit

2002 Chrysler 300

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Heavy-duty 5th-wheel trailer hitch has interlocking jaws, a torsion head, and a color-coded lock indicator for safety and security. Non-binding slider ensures proper clearance during slow turns. Rails and installation kit included. 1-800-940-8924 to order CURT 5th wheel hitch part number C66FJ or order online at etrailer.com. Free expert support on all CURT products. Great prices and Fastest Shipping for Curt A25 5th Wheel Trailer Hitch w/ S25 Slider for Ram - Dual Jaw - 25,000 lbs. 5th Wheel Hitch reviews from real customers.
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CURT 5th Wheel Hitch - C66FJ

Highlights

  • Custom Fit for Your Vehicle: Mounts to existing attachment points
  • Strength You Can Depend On: Rated for 25,000 lbs GTW and 6,250 lbs vertical load for towing large fifth wheels.
  • Smooth, Quiet Towing: Interlocking 2-jaw system and 360-degree torsion head reduce rattle and chucking.
  • Easy Turning in Tight Spots: Non-binding S25 slider gives 12" travel for safe slow-speed clearance.
  • Quick Status Check: Color-coded 3-point indicator shows when jaws are ready to couple, tow, or uncouple.
  • Simple Handling and Setup: 1-pin head removal and included rails make installation and removal easier.

Features to know about

Built for Serious Towing: 25,000 lbs GTW and 6,250 lbs Vertical Load Limit

This heavy-duty setup is built to take on big fifth wheels with confidence. Rated for 25,000 lbs gross towing weight and a 6,250 lbs vertical load limit, it’s made from sturdy steel with a durable carbide powder coat finish. Every part feels solid and secure, so long hauls stay steady whether you’re on smooth highway or rougher roads. It’s the kind of hitch you can count on when you’re hauling serious weight day after day.

Smooth, Quiet Connection: Interlocking Dual Jaw and Torsion Head

The interlocking 2-jaw system wraps completely around the king pin for full 360-degree contact. That tight fit cuts down on rattle and movement compared to slide-bar designs and gives you a quiet, stable ride. The fully articulating torsion head helps the trailer move naturally with the truck, suppressing road shock and reducing clunking noise. It all adds up to a more controlled towing experience that feels smooth from start to stop.

Close-up of Curt A25 fifth-wheel hitch showing dual interlocking jaws securely wrapping around a trailer king pin for a tighter, quieter towing connection.

Know Exactly When You’re Ready to Tow: Color-Coded 3-Point Indicator System

No guessing or second-checking—just look at the color indicators to see where you stand. Red shows uncoupled, yellow means ready to couple, and green confirms you’re locked in for towing. The indicators are visible from the cab, and once you unhook, the handle automatically resets so it’s ready for your next hookup. This simple system makes it easy to confirm a secure connection before you pull away.

Curt A25 fifth-wheel hitch showing color-coded lock indicator system with red, yellow, and green positions to display coupling and towing status.

Turn Tight Without Worry: S25 Non-Binding Slider with 12" Travel

For slow-speed turns that need extra clearance, the built-in S25 slider delivers 12" of front-to-back travel. It automatically latches in both directions and slides smoothly without binding, keeping enough space between cab and trailer during sharp turns. That means better maneuvering when backing into campsites or navigating tight areas, all while staying securely locked in place once you’re straight again.

Quick Removal When You Need the Bed Clear: One-Pin Head Release with Simple Setup

When it’s time to unload or store the hitch, the fast 1-pin head removal makes it easy for one person to handle. The design breaks down quickly without tools and includes base rails and mounting kit for simple installation. With 4" of height adjustment built in, you can fine-tune your setup for proper clearance and level towing every time.

Specs

Weight and Capacity

  • Gross towing weight: 25,000 lbs
  • Vertical load limit: 6,250 lbs

Dimensions

  • Slider travel: 12" front to back
  • Hitch height: 17-1/2" - 21-1/2"

Warranty

  • Limited lifetime warranty

16551 Curt A25 5th Wheel Trailer Hitch w/ S25 Slider - Dual Jaw - 25,000 lbs

16580 Curt A25 Fifth-Wheel-Trailer Hitch Head Unit

16574 Curt S25 Fifth-Wheel Slider - 25,000 lbs

16204 Curt Universal, Carbide Fifth Wheel Base Rails

16427 Curt Custom Bracket Kit for Fifth Wheel Trailer Hitches - Dodge Ram

Installation Details C66FJ Installation instructionsAlternate Instructions C66FJ Installation instructions



Video of Curt A25 5th Wheel Trailer Hitch w/ S25 Slider for Ram - Dual Jaw - 25,000 lbs
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for What to Know About the Curt Universal Fifth Wheel Base Rails

Hello, everybody. This is Jeff at etrailer.com. Today we're gonna take a look at the CURT Universal Carbide Black Finish Fifth Wheel Base Rails. Now, these base rails will install in your truck bed. And they provide the necessary attachment points for your fifth wheel hitch installation. Now, when these rails are used with the CURT's Custom Mounting Brackets, which we sell separate on a website, these rails will cut in half the time it takes to install your fifth wheel trailer hitch.

We mentioned the finish on this. I'm gonna zoom in and sort of show it. It's a carbide black finish, sort of like a matte black finish, so it matches the finish if you use it on the CURT Q5 20K Fifth Wheel Hitch. Now, these rails are universal, so they will work with the following fifth wheel hitches. They work with the CURT brand, the Draw-Tite, the Hidden Hitch, the Reese, and even the Husky.

This part here will include the two base rails. Now, we mentioned the mounting brackets, the custom mounting brackets, the hardware, and an installation kit is all sold separately. The length on these rails, if we put a tape measure on them from one end to the other, right at 43 inches long. But that should do it for the review on the CURT Universal Carbide Black Finish Fifth Wheel Base Rails.

Ratings & Reviews

4.7

1115 reviews
5 Stars
(925)
4 Stars
(111)
3 Stars
(39)
2 Stars
(11)
1 Star
(29)
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by:
2015 Dodge Ram Pickup
Thank you for such a fine product!! We installed the fifth wheel hitch in my 2015 RAM 2500 Mega Cab without any problems. It took us 5 hours to complete the installation and all the brackets and bolts went in without an difficulties!!
by:
A little tight to get into but overall a pretty simple straight forward install. Great quality and heavy duty material.
Nefty profile picture

Nefty

12/2/2025

Great Product couldnt be happier

by:
It arrived on great shape for being so heavy! Packed very well.
by:
Dodge Ram Pickup
The installation Kit for the Ram Truck was great. Had it installed within 3 hours and ready to use. picture is attached.


the service from etrailer was just great. Order shipped the same day and I had it on the 2nd day.
by:
Excellent product. It took about 6 hours to install. The customer service is second to none and is highly recommended.
by:
I order the items I need and they were immediately placed for delivery. I received hitch and slide quickly. Packages were shipped with care. Excellent instructions.
by:
2016 Dodge Ram Pickup
Great fit and product easy install did it in the dirt on drive way with no issues on 2016 Ram 2500
by:
Haven't had a chance to use the hitch yet but I got it installed without too much trouble. It took about 4 hours to install, the frame mounting brackets and rails, at a leisurely pace. The unit seems to be very sturdy and it is certainly built heavy. I'm looking forward to testing it out soon.
by:
Simple install, didnt have to drill frame ,seems to be very heavy duty
by:
Before even starting the install I was sure to read the directions a couple of times to make sure this was something I wanted to attempt on my own. I hadn't installed a hitch before but had assumed since it was a custom kit it wouldn't be too difficult. The directions stated that the total install time for the diy'er was 180 mins. I read through and took note of all the tools I was going to need. What I would have REALLY appreciated was a "tools required" list at the top of the instructions. I thought I had all the tools needed but at the very end when you get to the rear rail you need a 7/8" bit for the bottom of the bed support. I advise you have one at the ready. I had to hone it out with my 9/16 which was a giant pain. Everything else went really smooth. On my particular application I had a real hard time torquing the front right bed bolt on the rear rail to spec (110ft-lbs) as the mount for a cross-bar makes it nearly impossible to fit a torque wrench in. (I ended up having to use 3/8" drive extensions to go up inside the bucket and torquing it from the bottom.

Total time:(including a couple of breaks, meltdowns, and a bunch of swearing and a 2yr old hiding dad's parts) 180 mins. Touche' Curt Mfg., touche'...

Experience level of installer: None

This is something that the average person can do. Make sure to watch all the helpful videos here on etrailer.com, read through the directions before starting, and make sure you have all the necessary tools to help ensure your installation goes as smooth as possible.
Joel P. profile picture

Joel P.

3/25/2015

Rails work flawlessly. Between two hitches and a GN adapter all have fit without any problems.

by:
Perfect fit,easy installation I’m happy with the product.
by:
Product was great, installation instructions were well written and easy to follow.

I think after using it for about 5,000 miles of pulling our fifth wheel there must be a better system out that reduces the expected jarring from the movement of the hitch due to needed clearance to use pins.

I might have the hitch welded to the rails or find one that is not removable.

If you have a solid mount hitch, please let me know.
Tyler M. profile picture
Etrailer Expert

Tyler M.

12/16/2020

Hi Sam, Thank you for your review! If your truck does not have the OEM gooseneck package, then I would recommend getting the B&W Companion 5th Wheel Trailer Hitch - Dual Jaw - 20,000 lbs Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches, part BWRVK3500-5W and Part BWGNRK1384 . This setup will give you a much more solid connection to your truck and should help eliminate the jarring you are talking about.

by:
I haven’t installed yet, but looks to be very good quality and good installation instructions
Ron profile picture

Ron

2/28/2025

Working great, I have had no problems or issues

Jon G. profile picture
Etrailer Expert

Jon G.

2/28/2025

@Ron That's what we like to hear! Any favorite trips or locations you've been on/to?
by:
2017 Ram 2500
This product worked perfectly on my truck, bolt holes lined up nicely and was easy to install.
I've pulled my fifth wheel travel trailer on it and with the gooseneck adapter I've pulled some serious weight on my 32' gooseneck trailer without issue, very pleased with it.
Darren profile picture

Darren

3/26/2019

Product has been great, no issues to report.

by:
Smooth transaction,Celiese made it very easy to order .
by:
Took about 5 hours to install but fits great using factory holes. Take your time lining up bracket before drilling. Only issue so far paint did flake and rust where hitch locks into bed rails. Will need ocassional sanding and touch up.
Rich R. profile picture

Rich R.

12/17/2021

Little bit of rust forming around slots where Andersen mounts to rail Other than that, working well.

by:
It fit my truck and’s was exactly what I needed
by:
Great people, great service and great products. Installation went as smooth as one could wish for with no mistakes thanks to the helpful advice given in the videos. Etrailer will be my only source for my trailer and hitch needs. A special thank you to Katherina.
by:
2021 Ram 2500
the no drill kit was just that,no drilling except the bed and that was not too bad. I would reccomend this kit to any one installing rail for a hitch.....
Doug profile picture

Doug

8/24/2024

Working as it shoul, No issues!!

by:
2015 Dodge Ram Pickup
Brackets and rails were of high quality and were a perfect fit on my 2015 Dodge Ram 2500 HD, using the factory frame 'jig' holes for attachment
.
INSTALLATION NOTES: I looked up eTrailer's installation Video on the Dodge-specific custom brackets (in this case on a 2014 Dodge Ram 2500 HD). It was invaluable! It stated the task would take 1 and 1/2 hours for an expert; 3 to 4 hours for a novice. I am NOT an expert but have torn down and rebuilt an engine, replaced clutches and transmissions, and done brake jobs on my vehicles. Being admittedly slow because I want to be thorough (I wanted NO mistakes in drilling the holes needed into my new truck's bed), the task took about 3 days.

THE ISSUE: Though the under-bed brackets were perfectly made, there are two differences between the 2014 Dodge shown in the video (which I suspect was Gas engine equipped) and my 2015 Dodge 2500 (Cummings Diesel).

- CLEARANCE BETWEEN DIESEL FUEL TANK AND FRAME appeared to be MUCH less on my 2015 Dodge than the fuel tank on the 2014 Dodge (Gas?). The front left (in front of rear axle) frame bracket installation was WAY more difficult than in the video due to this clearance issue. A standard Torque wrench head with socket could not be fitted over the forward-most bolt due to this clearance issue between the Diesel fuel tank and the frame. I finally broke down and used a 'breaker' bar/socket combo and a piece of pipe to get that particular bolt tightened within a reasonable range of the proper torque.

- The rear axle suspension in the 2014 Dodge installation in the video was different than my 2015 truck. A significant mounting bracket for the new torsion bar was attached to the right-rear portion of the axle. I was adamantly against temporarily removing it (not even sure if I could have -- I THINK it was welded in place). Again clearance issues made installation of the right rear bracket quite a challenge for me.

Still I applaud eTrailer for making a high-quality kit that fits the bill!
by:
GMC Sierra
The Curt A25 5th Wheel Trailer Hitch with S25 slider worked perfectly on my 2024 GMC Sierra 2500HD Denali. Install was a breeze. Great pricing as well at etrailer.com.
by:
2016 Ram 2500
Haven't installed 5th wheel rails yet but the service and shipping was great. Thank you
Bret S. profile picture

Bret S.

4/27/2018

Great, easy installation, great instructions, a little time consuming but that was expected for a excellent hitch specific installation.

by:
Great customer service... I keep coming back because of there customer service. I can find it cheaper on [online store] but the customer service is above and beyond. Just picked up new hubs and wheel and tire assemblies for my double ski trailer...Again great service and free shipping.... Hally and Lindy were both very friendly and went above and beyond. That kind of customer service is rare in todays market...Thanks again...
by:
Does what it is supposed to do. I’ve pulled my 5th well 4000 miles with no problems since I installed it. Very happy with the product.
However, Installing it is no easy task. Every truck is slightly different, and Directions are vague but You-Tube videos help. Swivels and various lengths of extensions are necessary and even then getting a torque wrench on the bolts is tricky. Drilling is required as well as a step bit. Final alignment is very important. If you are not mechanically inclined and patient, you might consider getting it professionally installed.
by:
Dodge Ram Pickup
The only reason I am not giving a 5 star is I get a lot of noise out of the unit I bought. I had the Ram dealer install my unit so I would hope it’s installed properly however I get a noise when towing my fifth wheel that sounds like the bed is twisting and moving. I had the dealer lift the truck up and I personally checked to make sure the sleeves that go in the bed supports were properly installed. After everything was checked for tightness and proper installation I still get the noise. This is my first fifth wheel that was not factory installed so perhaps this noise is common. This is my only complaint. This has otherwise been a great product.
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See what our Experts say about this CURT 5th Wheel Hitch

  • Recommended 5TH Wheel Hitch For a 2022 Ram 2500 With Ram Box Bed
    With your 2022 Ram 2500 having the Ram Box storage in the bed you will need to use a fixed hitch with a pivoting pin box like the Sidewinder # RP34FR. You will not be able to use use the Pull Rite/Demco Autoslide type hitches as they will not clear the bed sides. The pivoting pin box changes the turning point from the 5th wheel hitch to the attachment point on the 5th wheel trailer. This prevents the chance of damage to your bed rails and allows you to make full jackknife turns without...
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    The articulink rear suspension on your 2017 Ram 2500 Power Wagon will not cause any issues with a set of airbags or a 5th wheel hitch because they all install in slightly different locations on the vehicle and do not counteract one another. For a set of airbags, I recommend using the Air Lift LoadLifter 5000 Air Helper Springs part # AL57289 because they do not require any drilling into the truck frame and they do not interfere with the brackets for a 5th wheel hitch. The Air Lift LoadLifter...
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    If your 2018 Ram 2500 4WD with a 6.4L V8 engine, short bed and 3.73 axle ratio is a Crew Cab your fifth wheel towing capacity is 12,630 lbs and if it is a Mega Cab it has a fifth wheel towing capacity of 12,240 lbs. This means that yes, you will be able to tow the fifth wheel trailer with a GVWR of nearly 12,000 lbs like you wanted. To tow this trailer you are going to need a sliding hitch to accommodate a short bed, and the best option for a fifth wheel hitch for your '18 Ram 2500 is...
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  • How to Tow Fifth Wheel Trailer with 2018 RAM 2500 w/ Ram Box and Air Suspension
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  • Can B and W Patriot Hitch be Used with 2022 Ram 2500 Long Bed
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  • Recommended 5th Wheel Hitch Rails for a 2018 Ram 2500 Using a Curt A16
    Troy, the universal rails # C16200 will work, but if you're interested in a custom kit that won't require any drilling then I'd recommend going with the Curt Custom Fifth Wheel Installation Kit for Ram Truck # C16427-204. These rails will work with Curt, Draw-Tite, Hidden Hitch, Husky, Reese, and Valley hitches, and is assembled in the USA.
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  • Recommended 5th Wheel Base Rails for a 2024 Ram 2500
    Congrats on the new truck! To add a set of 5th wheel rails to your 2024 Ram 2500, I recommend the Curt Custom 5th Wheel Installation Kit for Ram Truck item # C16427-204. These rails install with custom fit brackets that install in pre-drilled holes in your Ram's frame. This kit fits both the 6-1/2' and 8' bed lengths. I have linked an installation video below to help you get these rails set up. To make towing with a 5th wheel easier, I recommend adding the Curt 5th Wheel/Gooseneck Custom...
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  • 2018 Ram 2500 5th Wheel Base Rail Kit Recommendation
    Thanks for reaching out, Jeff! For standard base rails you'll need the Curt Custom Fifth Wheel Installation Kit # C16427-204 for your 2018 Ram 2500. This is a custom kit so you won't need to drill into the frame of your truck for the installation. Then for a 5th wheel hitch I recommend checking out the Curt A25 Slider # C35DR for a short bed or Fixed # C86BV for a long bed. I really like the A series hitches because they have interlocking jaws and a fully articulating torsion head so...
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  • Best 25K Sliding 5TH Wheel Hitch For a 2024 Silverado 3500 With Factory Puck System
    Since you are going to need to tow up to 25,000lbs the Curt A25 5th Wheel Trailer Hitch w/ S25 Slider # C35DR is going to be your best option. You are going to need the Adapter # C88KR to fit the factory puck system on your 2024 Chevrolet Silverado 3500.
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  • Recommended Curt 5th Wheel Hitch For 2022 Chevy Silverado 3500 For 20,000 lb Trailer
    Since your Alliance trailer has a 20,000 lb GVWR, you'll need a hitch with a capacity that exceeds that, and the best option from Curt is the A-Series. You didn't mention if your 2022 Chevy Silverado 3500 had the OEM puck system, or if you already have bed rails installed, or if it was a short bed or long bed, so I'll list out every potential option: - Short Bed WITHOUT OEM Puck System: Curt Custom Fifth Wheel Installation Kit # C16429-204 & Curt A25 5th Wheel Trailer Hitch w/ S25 Slider...
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  • Sliding 5th Wheel Hitch to Fit B&W Turnoverball Gooseneck Hitch
    The only way to know how heavy a hitch you need is to find the trailer's gross vehicle weight rating (GVWR) which is its maximum weight when fully loaded. There's likely a tag on the trailer that states the GVWR, or it may say on the trailer's documentation. You may also be able to contact the trailer manufacturer with the VIN to find its specs from when it was built. As a last resort you can load the trailer and weigh it. Of course this requires you to get it to a scale and you still...
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  • Recommended 25K 5th Wheel Hitch For A 2022 Ford F-350 DRW
    Typically you'll only want to use 80-85% of any item's total capacity to keep a buffer safety zone so that you never risk having a product fail. You're correct that the only Companions at 25k capacity are for OEM puck systems. B&W is a great brand and is my favorite as well, but in this case they're not going to have anything compatible with with the # BWGNRK1116-5W that's going to have over 20k capacity, so you'll have to look at another brand. Curt offers the Curt A25 5th Wheel Trailer...
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  • Highest-Rated Sliding Curt 5th Wheel Hitch For 2023 Ram 3500 Short Bed w/o Puck System
    Absolutely; the highest-rated Curt sliding 5th wheel hitch has a hefty 25,000 lb capacity is the A25. The part number for that hitch is the following: - Curt A25 5th Wheel Trailer Hitch w/ S25 Slider # C35DR You made a really nice choice because the A25 # C35DR gives you a really comfortable ride and is among the easiest 5th wheel hitches to use. It has an interlocking dual jaw system that wraps totally around the king pin, ensuring a vice-like grip. That full contact means that the back-and-forth...
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  • Adapter For Using a ISR 5TH Wheel Hitch In a 2022 Chevrolet Short Bed With Factory Puck System
    We do have the Adapter Rails # C88KR which will allow you to use your fixed 5th wheel hitch in the bed of the 2022 Chevrolet Silverado 3500. Do understand there is currently not an adapter rail with built in slider. You would have to have either a sliding 5th wheel hitch like the Curt # C35DR or change your pin box to one like the Reese Sidewinder # RP34FR you found that will change the pivot position of the 5th wheel. Going with the sliding 5th wheel is often the better option as you can...
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  • Highest Capacity 5th Wheel Hitch for 2021 Chevy Silverado 3500 Short Bed With Puck System
    There is a 25,000 lb 5th wheel trailer hitch that fits your 2021 Chevy Silverado 3500 short bed with the factory puck system. The best option is a sliding 5th wheel hitch, with the largest capacity for your short bed '21 Silverado 3500 being a 25,000 lb capacity hitch. It is also from Curt, and requires an adapter to fit in the bed's puck system: - Curt A25 5th Wheel Trailer Hitch w/ S25 Slider # C35DR - Adapter Rails for Curt 5th Wheel Hitch # C88KR This is an excellent combo as the...
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  • Adapter that Allows Curt A25 Slider 5th Wheel Hitch to Fit 2019 Ford F-350 with OEM Rail Kit
    Yes, you can mount your Curt A25 sliding 5th wheel hitch part # C35DR into the adapter that fits your 2019 Ford F-350. All you would need is the following: - Adapter Rails for Curt 5th Wheel Hitch # C88KR
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  • Will a Curt A25 Sliding 5TH Wheel Hitch Fit Demco 5TH Wheel Adapter For B&W Turnover Ball?
    Yes, the Demco 5th Wheel Base Rails Adapter for B&W Turnoverball Gooseneck Hitches # DM6140 will allow you to use the Curt A25 5th Wheel Trailer Hitch w/ Slider # C35DR. Do note the Demco adapater is limited to 21,000lbs trailer weight and 5,250lbs of tongue weight which is less than the A25. Be sure to not exceed any tow ratings for your vehicle as well.
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  • High Capacity Slider Fifth Wheel Hitch for 2018 Ram 3500 Short Bed
    The highest capacity fifth wheel slider hitch we offer for your 2018 Ram 3500 is the 25,000 lb Curt A25 5th Wheel Trailer Hitch w/ S25 Slider # C35DR.
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  • Highest Capacity Sliding Fifth Wheel Hitch for 2017 Ford F-250 With Prep Package
    The sliding fifth wheel hitch with the largest capacity that fits the factory puck system in your 2017 Ford F-250 is the Curt A25 # C35DR with Adapter Rails # C88KR. The A25 has a 25,000 lb towing capacity and its slider offers 12" of front to back travel and it a height which can be adjusted from 17-1/2" to 21-1/2". This hitch secures the king pin with a 2-jaw locking system to reduce the rattle that can occur when towing a fifth wheel. It also has a handy color-coded indicator system...
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  • Options For Curt Slider 5th Wheel Hitch With Locking Handle Below The Top Of Hitch Head
    Hey Joel, There is no replacement handle for your Curt Q25 # C16566 that does not stick up above the hitch, they all use the same handle, and it's the only one that fits. You'll need to not use a tonneau cover with the hitch installed, or switch to a hitch like the Curt # C35DR which uses a handle that doesn't stick up above the head.
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Updated by:
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