[DaveO430]

It wasn't the load capacity, it was where the load was located. I bet the front was seriously light before the frame bent.

 

[DaveO430]

That's a good size camper for that truck and it should have been designed like the one in the pic with a tag axle.
That is a vintage Len-Dar truck camper from the late 60's early 70's.
View attachment 331230

I was thinking that same thing.

 

[DaveO430]

has to be hard on those rear axle tires too.