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Can Trailair Rota-Flex 5th Wheel Pin Box Be Used with Gooseneck Adapter


I have a newer XLR Thunderbolt with the Roto Flex pin box. I have a gooseneck setup in my truck. Can I use an adapter with the Roto Flex kingpin or would I need to by a fifth wheel hitch?


Expert Reply:

The Trailair Rota-Flex 5th Wheel Pin Box like # LC328330 on your trailer is not compatible with any type of gooseneck adapter because of the extra movement that would be present at the connection point. To use with the existing pin box on your new trailer you will need to mount a 5th wheel hitch on the truck.

If you happen to have a B&W Turnoverball gooseneck hitch on your Silverado then a great option is the B&W Companion 5th Wheel Trailer Hitch # BWRVK3500-5W if you have a long bed or the sliding version # BWRVK3400-5W if you have a short bed.

The Companion is designed to mount directly to the square gooseneck hole for the Turnoverball hitch to provide you with one of the best 5th wheel hitches on the market. It features a heavy-duty construction with 1 inch thick dual jaws to create an extremely secure connection to the trailer along with a quiet, rattle-free ride. Its fully articulating head eases hookup and the 3 height settings allow for a level towing setup.

I have attached a short video review that you can check out.

If you have a different brand gooseneck hitch on your truck please let me know and I will be happy to make a different recommendation,.

expert reply by:
Chris R

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