International Harvester Tractor Serial Number Table- New! Jun 2026

Most commonly found on the clutch housing or the right side of the steering gear housing.

Unlike modern cars with standard VIN locations, IH tractor plates moved around depending on the model and year. Here is where to look: International Harvester Tractor Serial Number Table-

| Year | Starting Serial Number | | :--- | :--- | | 1939 | 501 | | 1940 | 10653 | Most commonly found on the clutch housing or

| | Production Years | Serial Number Range | | --- | --- | --- | | H | 1940-1953 | 101-120,000 | | M | 1940-1952 | 201-50,000 | | MD | 1945-1952 | 101-20,000 | | 300 | 1953-1957 | 301-10,000 | | 400 | 1953-1957 | 401-8,000 | | 500 | 1953-1957 | 501-6,000 | | 700 | 1955-1958 | 701-4,000 | | 800 | 1955-1958 | 801-3,500 | From the revolutionary Farmall models to the powerful

International Harvester produced some of the most iconic and hardworking tractors in agricultural history. From the revolutionary Farmall models to the powerful later-generation machines, these tractors are highly prized today. However, because production spanned decades and included hundreds of thousands of units, identifying the exact year, model, and history of a specific tractor can be a puzzle.

For enthusiasts and collectors, the is more than just a list of digits; it is the definitive roadmap for preserving agricultural history. These tables serve as the primary tool for identifying a tractor's exact year of manufacture, production sequence, and original factory configuration. The Importance of Serial Identification