Is your tank missing? I have a 47 3600 and my tank looked like this. Not anything like a 1/2 ton. It measures 12x 7 x41. It sits under brackets from the left side frame. I was able to repair my tank as only the top was bad from dust sitting on the top.
Attachments
IMG_1062 gas tank.jpg (45.54 KB, 221 downloads)
IMG_1053 tank support.jpg (67.73 KB, 221 downloads)

Last edited by lumbersawyer; 11/28/2021 3:54 PM.
1947 3600 Chevy