They aren't that hard to find. I would keep looking for repairable pieces. The whole thing can be disassembled and reassembled with sheetmetal screws in place of the rivits.

BTW, the nose cone is the same on both large trucks and small. Mine is off a big truck. They often sustained damage. They are reproing them but I hear the fit and quality isn't very good.

54 3100 with 235
62 flatbed dump C60 with 261