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Old 04-22-2018, 07:33 PM   #1
Join Date: Mar 2018
Posts: 49
rota-flex pin box with andersen ultimate fith wheel hitch

hey can you guys give me your thoughts on using this set up, is it good or bad, to use the anderson aultimate fifth wheel hitch with the rota-flex pin box??

the reason im asking is the 5w that we ready to buy has that style pin box on it.

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Old 04-22-2018, 08:31 PM   #2
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I wouldn't do it. The pin adapter for the Andersen hitch puts a torque load on the base-plate of the pinbox, which in the case of the one you're looking at is designed to move. In changing the weight distribution you can cause problems, especially on pin boxes designed to move. When I had an Andersen, the way the weight is all carried on the two setscrews between the ball and the pin caused the baseplate on my 1621HD lippert pin box to buckle. Of course Andersen simply replied this happens with some pin boxes and wouldn't do anything about it as they don't consider damage to the trailer to be a failure of their hitch. How heavy is your trailer? What sort of pin weight are you looking at loaded?
2016 Bighorn 3270RS, 2015 Ram 3500 CTD/ASIN
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Old 04-22-2018, 09:11 PM   #3
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i figure i’ll be right around 2500-2700 loaded
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Old 04-22-2018, 09:13 PM   #4
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5w dry is 12k, loaded up i guess it would be around 13k give or take
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Old 04-23-2018, 06:11 AM   #5
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There is a lock out for the Rota Flex, possibly supplied by Andersen. I would contact Andersen first. I know the one photo Andersen detractors like to post of a damaged AUH is with a Rota Flex pin box.
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