welder info needed!

[cki-guy]

howdy yall! i have a welder here that i could use a little help on if anyone can. i have a hobart brothers welder(no idea of the age) it has a 41-45 willys 134 engine(runs) a rebuilt genie on it, but here the issue. how do i put a age on it?
so heres the id tag info
hobart simplified
200 amp
type mb
spec 10640
serial number 5cw24824
i appricate all i can get.

[Hobart Expert Bill]

The unit was built on 11/30/1949 and shipped to carlton states in Punxsutawney, PA

The spec # is 1064C

[Welderskelter]

Biggest mistake was to sell her. If you ever want to get rid of her, let me know.