International Harvester Company (IH) produced farm tractors from 1906 until 1985 (when the agricultural division was sold to Tenneco, forming Case IH). To track production, identify model year, and verify authenticity, IH used serial number plates attached to the tractor’s chassis. Serial number tables (often found in service manuals, parts catalogs, and enthusiast guides) provide the cross-reference between serial number ranges and the corresponding year of manufacture.
for each model year, allowing you to match the number stamped on your tractor's identification plate to its "birthday". Antique Tractor Blog How to Use Serial Number Tables International Harvester Tractor Serial Number Table-
The following table provides starting serial numbers for select popular IH models. These numbers represent the first tractor produced for that specific year. Yesterday's Tractors IH Tractors - identifying model from serial number for each model year, allowing you to match
: IH frequently updated components like gears or fuel systems mid-production. Knowing the serial number is critical for finding the correct "up to" or "after" part in a repair manual . Yesterday's Tractors IH Tractors - identifying model from
Pro Tip: If the metal tag is missing, check the engine block. IH often stamped the engine serial number separately, which usually corresponds to the chassis number range.