I don't have any kind of name for the font, sorry. However, the 3 and 2 are really close to a style used by the Norfolk and Western railway to number their steam locomotives beginning in the 1890s of so. I had to draw it in Illustrator to make stencils to letter a full size locomotive, but the 1 is not the same, as I recall. It is an older industrial font.
Railroads almost always designed their own letters and numbers rather than using a standard font from the print world.
Best
Ken