International Harvester Tractor Serial Number Table- Link

International Harvester (IH) tractor serial numbers are key to identifying the exact production year and model of these iconic machines. Between 1902 and 1985, IH produced millions of tractors, transitioning through various identification systems, including the famous "Kind/Code" format introduced in the late 1960s. Common Serial Number Locations

: This is the unique production number for your specific machine. Where to Find the Number International Harvester Tractor Serial Number Table-

Note: The famous is the most collected. Serial numbers 501 to 5,000 (1971) are considered early "blue ribbon" tractors. Numbers above 50,000 are 1975-1976 models. International Harvester (IH) tractor serial numbers are key

Farmall H serial #157,000 → falls between 1942 (137,000) and 1943 (168,000) → likely a late 1942 or very early 1943 model. Where to Find the Number Note: The famous

: Your tractor was built in a specific year if its serial number is equal to or greater than that year’s starting number, but less than the starting number of the following year.

Never trust painted-over tags. Use a wire brush or a piece of chalk to gently reveal the stamped digits. If the tag is missing, look for stamped numbers on the engine block—though note that engines were sometimes replaced, making chassis numbers the gold standard.