Portable welder by Miquelon lake needed, Broken 5th wheel frame

TylerG

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Rockwerx

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looks like pot holes in edmonton are once again doing there job!

That and poor engineering. The hitch pin sitting out at that angle will put an awful lot of stress on the frame. It will act like a lever every time you hit a bump. The pin should be under the frame more IMO.

I checked ours very carefully after seeing these pics. Our hitch pin is mounted at a slight angle so the stress is not near as much as on Ron's trailer. Hopefully everyone reading these posts will give their fiver a good inspection.

Good luck with your repairs Ron!
 

teeroy

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so are these frame failures only on the wildcats or are there any others to look out for?:twocents:
in the link Ron posted the frame manufacturer is named, seems the ones that are having the same trouble are built by that company
 

rknight111

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I called the dealer where this trailer was put purchased. They had many in with the same issue and not just forest river. Keystone trailers have the same issue, any one with this same frame. The metal is 1/8" thick, I just purchased a 5 x 2 x 1/4" thick Replacement and also will be adding these gussets ImageUploadedByTapatalk1406245721.237787.jpg
 
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rknight111

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Found a welder, Richard from Tundra Welding Services at 780-387-1783.
He's done a great job.
Got at the metal from metal supermarkets.
Thanks to RonH for all his hard work as well.

Just have to put everything back together before Wednesday for BVJ
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ABOMB177

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So is this caused by throwing a trailer behind the fifth wheel and exceeding the ratings on the trailer and king pin?
 

rknight111

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No, the this same frame is known to have several issues with this crossmember. I did some research and there is a lot of failures with this frame in the same spots. The metal is very thin and the factory welds are crap. This isn't the first one to break.
 

teeroy

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So is this caused by throwing a trailer behind the fifth wheel and exceeding the ratings on the trailer and king pin?
you figure pulling a trailer behind a fifth wheel would add to the weight on the pin? what "rating" are you thinking is being exceeded?
 

tex78

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you figure pulling a trailer behind a fifth wheel would add to the weight on the pin? what "rating" are you thinking is being exceeded?
It only adds dead stopped , initially moving weight

Anything behind will take hitch weight or pin weight on truck
 

Ron H

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Actually having worked on many trailers at Hunters I found Ron's to be even thinner metal than back in the mid90's. It took me literally 45 seconds to completely cut through the frame with a cordless saws all. The welds were shoddy to say the least, after seeing this level of quality I think it prudent for everyone take a serious look at their trailers. More specifically the higher stress points. Just sayin...
 

ABOMB177

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you figure pulling a trailer behind a fifth wheel would add to the weight on the pin? what "rating" are you thinking is being exceeded?

Like tex said it wont be extra weight on king pin it will be extra force being exerted on pin and frame from towing the extra weight. Fifth wheel trailers themselves have a max loaded weight rating. The idea of that is to keep those forces down within a managable limit for the trailer frame, axels,king pin ect. It would be like towing a truck using the tow hooks. In theory they can handle the force of towing the truck. Add a extra thousand pounds to truck box and the hooks will break due to the extra force being exerted. However in this case it sounds like manufacturing issues
 

teeroy

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Like tex said it wont be extra weight on king pin it will be extra force being exerted on pin and frame from towing the extra weight. Fifth wheel trailers themselves have a max loaded weight rating. The idea of that is to keep those forces down within a managable limit for the trailer frame, axels,king pin ect. It would be like towing a truck using the tow hooks. In theory they can handle the force of towing the truck. Add a extra thousand pounds to truck box and the hooks will break due to the extra force being exerted. However in this case it sounds like manufacturing issues
thanks for the clarification. it is clearly a manufacturing issue.
 
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