Identifying the age, model, and history of an International Harvester (IH) tractor is essential for restoration, maintenance, and sourcing the correct parts. The is the primary resource for decoding this information, allowing collectors and farmers to determine exactly when their "Farmall" or "International" was manufactured.
Collectors pay premiums for "first-year" models, "last-off-the-line" units, or low-production runs. How to Find Your IH Serial Number Plate
When consulting an International Harvester tractor serial number table, you will generally find three columns: The calendar year of production. Model: The specific tractor model.
International Harvester serial numbers do more than just identify a tractor; they serve as the machine's birth certificate. Dating IH tractors is distinct from modern vehicles because IH used a , not model-year designations. The official tractor data is typically presented in a table that lists the first serial number produced at the beginning of each calendar year. By comparing a serial number to the numbers in the table, you can pinpoint the tractor's year of manufacture. International Harvester Tractor Serial Number Table-
Located on the left side of the seat support bracket or the seat box.
The Hundred Series replaced the Letter Series with a new numbering scheme.
This was IH’s first modern row-crop tractor with a V-8 diesel option. The serial number table shows a critical split in 1965: Identifying the age, model, and history of an
To accurately use these tables, you must first locate and decode the physical tag on your tractor: Locating the Tag : Plates are commonly found on the right side of the steering gear housing, the
: Australian-made IH tractors used square-cornered tags, whereas USA-made versions featured rounded corners. Antique Tractor Blog Top Resources & Registries Wisconsin Historical Society IH Archives
Identify the of your IH tractor (if you provide the serial number) Find production numbers for specific models Locate parts for the 06, 56, or 66 series Share public link How to Find Your IH Serial Number Plate
This system was remarkably consistent. Regardless of where in the world IH made the tractor—Doncaster, England; Geelong, Australia; or Louisville, USA—the Kind/Code tags followed the same format, allowing for easy cross-referencing.
International Harvester typically stamped serial numbers onto a metal plate riveted to the tractor chassis. Over decades of farm use, these plates can become painted over, damaged, or lost. Common Plate Locations