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This Curt A25 fifth-wheel hitch has the strength to pull big 5th wheels confidently. It’s rated for 25,000 lbs gross towing weight and a 6,250 lbs vertical load limit, so it’s ready for heavy campers or toy haulers without hesitation. The sturdy steel build and durable carbide powder coat finish keep it solid run after run, giving you a hitch that feels secure even on long hauls across the country.
The A25 uses a rounded, interlocking two-piece jaw that wraps completely around the king pin. That design keeps the connection tight and cuts out the rattle and movement that slide-bar hitches can have. With full 360-degree king pin contact, it delivers a quiet, stable ride that feels steady from the first mile to the last.
Just glance at the handle or hitch head to see your status—red means uncoupled, yellow means ready to couple, and green means you’re locked and ready for towing. The single-throw handle locks easily with a padlock (sold separately) and resets itself after you unhook, so it’s always ready when you are.
The torsion head flexes during hookup to absorb road shock and help the trailer settle in quietly. It self-aligns as you back in, so connecting is straightforward without extra fuss. The included plastic lube plate lets the king pin glide smoothly into place for a clean, controlled hookup every trip.
When you want your truck bed clear, pull one pin and lift off the head—it’s built for one-person removal. The modular design breaks down without tools so you can store it when not in use. With practical height adjustment from 13" to 17", it’s easy to dial in a level setup before your next tow.
This fifth-wheel hitch is compatible with rotating pin boxes, such as the Reese Sidewinder, Reese Revolution, and 5th Airborne Sidewinder, only when used with a wedge (sold separately).
Alternate Instructions
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
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
Claire H.
10/14/2026
Glad we could get your order shipped out quickly! Thanks for choosing etrailer. We appreciate it!
Do you have a question about this 5th Wheel Hitch?
Info for this part was:
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Jenny N.
10/21/2021
You are correct that the bolt location is difficult to access. I reached out to Curt who advised that depending on the application and installer, it can be easier to remove the wheels for additional working room.