The body is supposed to be solid.
“i have a 1946 cj2a. sorry but the pictures are the best i can do right now. it is i n corner of my shop. i have just about everything to complete minus motor and transmission. im going to move and getting rid of things i don’t really want to move. tub is as solid as you will find anywhere, window frame, seats, ect pretty much all there. i have a lot of extra parts that will go with it, please only contact me if you are serious. the parts in this condition are worth quite a bit, i can meet anyone interested in looking just text and we can make arrangements. 417-684-1241. thanks mark”