Originally Posted by wrvond
What brand is that, please?
In addition to the KZ Spree, I have now seen it in person on a Flagstaff V-lite and Keystone Bullet. It may be on others but have no way of confirming because the manufacturers say nothing about it. Interestingly, KZ has been calling it a heavy duty frame in their literature and on their website.
There's a real problem with frames in the RV trailer industry. There's no industry (RVIA for ex.), UL, SAE, CSA, etc. or government mandated requirements. Frame manufacturers like Lippert, who have upwards of 90% of the market, can build them however they want. They do not have a max. GVWR assigned to them. There's no specs. you can look up. There's no governing body or government agency you can file a complaint with.
While I believe it's primarily the fault of the frame manufacturer, it's partly the fault of the trailer manufacturers as well.
If you want to see what can happen to these ultra-flexible frames, take a look at the following thread from the Open Roads Forum and look for posts by tedrowan. I've included a direct link to the photos he posted. He had a 2008 KZ Spree where the frame folded and collapsed in the rear.
We had our Spree into a government designated inspection facility in May and they said it was the worst frame they've ever seen on a travel trailer. They ended up saying it's not a case of *if* it will fail, it's a case of *when*. Besides the high degree of sag in our frame, I noticed recently that when you sight down the I-beams, there is a horizontal "wow" like a banana. Didn't see that before but our last camping trip was 500+ miles. Now the entry door barely closes and we have a failed weld in the aluminum framing that I found shortly after we bought it. Freaks me out thinking about what's happening to the 6-sided aluminum frame/structure sitting on top of the flexible frame.
We camped next to someone with a KZ Spree 289KS not too long ago. It had a front toyhauler door between the axles and tongue on the right side (it's an option). He puts his 800 lb Harley in it. I Know for certain that he will be over his GVWR by something like 600 lbs. They have the identical frame we do and we're 200 lbs under the GVWR with ordinary camping and trailer stuff and food and clothes. You have to know that at some point they are going to have serious problems with the frame. Why on earth would a trailer manufacturer put a toyhauler door in a model that will overload it and on top of that, use an ultra-flexible frame?
Don't know about other manufacturers but KZ has all their new 2014 units on their website. All their models have full specs listed except for the Spree lineup, there's nothing and all it says is "TBD." Maybe this means they are redesigning the frames? Time will tell....