Very cool, thank you.

On a side note, more in line with the original question, I am having trouble finding 9 22.5 tires. Someone recommended putting a more modern low profile semi tire that would be slightly larger, but much easier to find used. Any reason not to do that?

Originally Posted by Flxible
the 55 2nd series to 59 cabs are identical, doubt there's been any switching on the one you picture, looks pretty unmolested original as far as sheet metal, might have different drive line .... the frame should have the same number as the door tag, minus the leading model indicator, stamped on top of the frame rail near the steering box, like this 56 .... engine [and other component] number locations are shown in that GM info booklet I linked above, they're not "numbers matching", but will have date codes

Bill

1959 Chevy Viking. Belonged to my Great Grandfather