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Experience smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with an air-ride-equipped model. The scissoring action of the coupler allows the interior air bag to absorb road shock so that you won't feel it.
Features:
Specs:
Notes:
Eliminate the bounce from your ride with the Trailair air ride coupler. The unique scissoring action of the pin box ensures that road shock is absorbed, preventing the harsh, rigid ride that you typically encounter while towing your fifth-wheel trailer. Not only does this improve your overall towing experience, but it also helps maintain a sound, well-functioning system. Less bounce and jarring means less stress on your truck, trailer and hitch.
When you encounter uneven terrain on your trip or hit a pothole on the highway, the Trailair pin box compresses, transferring the road shock to its internal air bag. A built-in air spring ensures that this compression occurs in a controlled fashion so that the air bag doesn't burst. It also causes the pin box to appropriately rebound, positioning it so that it's ready for the next bump in the road.
Ratings & Reviews
Walt N.
12/6/2024
We finally was able to hook up and take the RV from Home to Mt. Home Arkansas and up and down the Mountains over to Tennessee.The hook up is different than something without the AIR rubber inner tube. I have to raise the landing gear about 3 or more higher.The pin box then slides into the coupling. I also bought a new Curt fifth wheel.I get the rough roads but the porpoising is not noticeable.I like it and so far its a great fit.
Joe S.
6/23/2021
My hitch is working great! It has made a big difference in how well the trailer rides on my truck. No more harsh bumps when I drive over rough roads or poor bridge approaches. Awesome product!
Butch L.
5/9/2024
Dependable, sturdy, no issues. Now, if theyd fix the roads!!!
John
9/16/2023
A year later and no issues using the Air Ride pin box. Its still working great.
Adam P.
1/25/2025
Pin box made a significant improvement in both reducing shock loads to the hitch and chucking. Only drawback is the need to adjust air pressure as ambient temperature andor elevation changes. If you have one of these hitches, you will want a small compressor in order to top it up. Due to the pin plate being at an angle while not connected to the hitch airbag fully extended with no load, the trailer needs to be slightly lower than it would appear in order to load up the airbag as the pin assembly makes contact with the truck hitch. Practice makes this easier to eye ball. Powder coating was a disappointment, and the paint lifted at almost every 90 degree angle and required repainting after only a year. Other than that, Im a satisfied customer.
Robin H.
1/26/2025
Hoss
9/7/2023
Makes a world of difference in towing comfort. Jarring is minimized at stops and smooths out the tow on rough roads.
Mike L.
10/31/2023
Jack
8/27/2022
I towed our Keystone Raptor about five thousand miles with the original pin box before I decided to try to smooth out the ride so purchased and installed the Trailair Air Ride 5th wheel pin box. I have since towed it approximately Six thousand miles and We are completely satisfied.
Do you have a question about this 5th Wheel Pin Box?
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Mike L.
6/17/2026
Good deal Donald, please give us a follow-up once you've tried it out!