Thanks for the info and I finally got the windows
out. The wood interior trim had been placed so tightly to the frame that I needed to remove the wood(at least 2 pieces) before the windows would drop out. I am planning to replace all the wood so not a problem. The trailer is stock as far as I know there does not seem to be any additional items. It does have a water tank, furnace
as well as sink and 2 burner stove top. It presently has the double bunk configuration but I am going to remove these, extend the kitchen counter as well as add a flush toilet and tank just to the right of the entry door. I am going to put in a demand pump for the water and a small grey water tank. Other than that just fix things up starting with paint
and repair and replace the windows.