That's not a factory number- - - - -an original ID tag is riveted on, and 12V ID tags are painted red. That's probably a cobbled-up unit assembled by a rebuilder from bits and pieces.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!