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Mr_Fixit's avatar
Mr_Fixit
Explorer
Apr 16, 2014

Inspecting a used 5th wheel trailer & Pin Box

Hello,

The wife and I have owned several towable travel trailers, but we are seriously considering taking the plunge on a used 5th wheel Forest River Wildcat for more space and atmosphere.

We looked on the internet and have done a lot of research on issues with 5th wheels, and stumbled across the "Lippert Frame" issue that seems to have affected various brands of trailers.

We understand the best way to check for cracked/bent pin box framing is to measure the distance from the pin plate before supporting any trailer weight and then after hitched, to show any flexing. We don't own a 5th wheel hitch yet, and while planning to ask the seller to do this before final purchase, wanted to see if we could sorta filter this out somewhat ahead of time.

Given that I have read people have been inspecting the framework, I wanted to know if outside of hitching, there were any other "tattle tail" signs or symptoms that would indicate a "possible" issue?

Visually inspecting the trailer we are looking at, we can't seem to find anything that would indicate a possible issue, other than the owner having had problems with the nose cone screws breaking underneath in the past.

Best regards ...
  • Well at the 11th hour the seller has now decided to keep the trailer for another year or so after looking at the prices on the one he was hoping to upgrade to ... and I'm sure the questions and concerns we expressed in checking it out didn't help either

    So we are back to looking for another trailer, but definitely will be keeping an eye out for Wildcat's given what we have seen and read ...
  • The nose side side seams are pristine and spotless of any signs of tension/compression that you would expect to possibly show ..

    The screw breakage was in the past from what I understand, and after opening up the holes slightly (instead of size on size) as they connected the seam of the nose cone and the underskin panel, the problem stopped. I have to admit that while not on a 5th wheel, I have seen screws break simply because they are cheap grade ...

    If there was cracks/bent/etc you would expect to see "something" telling I would expect ...
  • Say good bye to that one,don't even waste the time trying to determine if and why the screws break.
  • "Visually inspecting the trailer we are looking at, we can't seem to find anything that would indicate a possible issue, other than the owner having had problems with the nose cone screws breaking underneath in the past."

    Something to be concerned about as this may indicate excessive flexing of the pin box assembly. This could be a result of a cracked frame in the pin box attachment.
  • Watch the edge trim on the overhang when loading on the hitch and unhooking. Excessive wall movement within the trim could be trouble.

    Also check inside walls in bedroom and look for signs of compression, cracks, furniture that doesnt line up, etc.