International Harvester Tractor Serial Number Table-

: Often found on the left side of the engine block or frame.

Exact yearly splits require sub-tables. For example, Farmall H serials: 1940 ends ~18213, 1941 ends ~54386, etc. International Harvester Tractor Serial Number Table-

(Note: IH serial numbers typically start at 501 for a new model run, not 1 or 1001.) : Often found on the left side of the engine block or frame

The answer lies in a single, stamped line of digits. But without the proper key, that serial number is just a string of metal stamps. That key is the . Farmall H serials: 1940 ends ~18213

Often located on the transmission housing or on a plate near the engine.