In Reply to: Year build posted by Jose C Zavala on November 14, 2020 at 14:06:18:
9N designates model of tractor.
The star is the beginning and end of the serial number.
The serial number gives the year of manufacture.
You might also desire to post this on the NBoard forum and not the history forum. A bit more action over there. This forum is not looked at too often.
People over there are smarter than I am.