The Farmall M with serial number 123030 was manufactured in 1952. The Farmall M series was produced from 1939 to 1954, and the specific serial number indicates its production year within that range.
You have to compare the serial number to a chart that shows what year it was made.
fbk-94458
A Farmall A with a serial between 281569 and 300125 was made in 1950. Source: http://www.geocities.com/mck357/serialnumbers.html
You can check at TractorData.com or link below
any number in series over 25000 is after 1945 and is also a Super A. you should search your year make and model at yesterday'stractor.com.
Check at TractorData.com or link below
The last tractor branded as a Farmall was in 1975.
With the serial number that you have supplied,your serial number dates to the year 1948.
1924 was the year of conception for the farmall tractor international harvester. their designs wouldnt change again untill 1955
The model H was introduced in 1939.
No serial number = no answer.
The year of manufacture for serial number 1821238 is 1952.