Below is a sample of popular historical models and their production serial number ranges. For a comprehensive, model-specific search, you can use the Yesterday's Tractors Serial Number Registry . Production Years Starting Serial # Ending Serial # Farmall Cub 1947 – 1964 1939 – 1947 1939 – 1953 1939 – 1952 IH 300 Utility 1954 – 1956 1971 – 1976 How to Decode Your Serial Number Serial number list - Technical IH Talk - Red Power Magazine
Your International Harvester's serial number is more than just a string of characters; it's a piece of agricultural history. By using the tables and guidance in this article, you can unlock the story behind your machine. Whether you are restoring a classic Farmall to its former glory, verifying a potential purchase, or simply satisfying your curiosity, a serial number table is your most important tool.
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: 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 . International Harvester Tractor Serial Number Table-
| Model | Typical Serial Range (example) | Approx. Production Years | Typical Assembly Plant / Notes | |---|---:|---|---| | Farmall A | 1000–250000 | 1929–1947 | Multiple US plants; early years lower serials | | Farmall H | 1–325000 | 1939–1954 | Long-run model; Super H later | | Farmall M | 1–300000 | 1939–1954 | Many units; Super M variants in later ranges | | Farmall Cub | 1–500000 | 1947–1979 | Produced in US; many serial blocks by year | | IH 400 | 401000–409999 (example) | 1963–1967 | Numeric series; check plant prefixes | | IH 560 | 560000–569999 (example) | 1958–1962 | Mid-size row-crop | | IH 656 | 656000–659999 (example) | 1965–1967 | Higher-hp; production numbers varied | | IH 1066 | 1066### (series) | 1971–1976 | Diesel turbo models; variants and plant codes |
| Model | Production Years | Starting Serial # | Ending Serial # | | :--- | :--- | :--- | :--- | | | 1958-1973 | 501 | 84,697 | | Farmall 240 | 1958-1963 | 501 | 26,500 | | Farmall 460 | 1958-1963 | 501 | 46,989 | | Farmall 560 | 1958-1963 | 501 | 74,590 | | Farmall 656 | 1965-1973 | 501 | 46,127 | | Farmall 706 |
Specifies particular options or configurations. Country (The Letter): U stands for United States. Below is a sample of popular historical models
International Harvester produced millions of tractors under the IH, Farmall, McCormick-Deering, and Cub brand names. Serial numbers are critical for:
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.
Unlocking the History of Your International Harvester: The Serial Number Guide By using the tables and guidance in this
International Harvester (IH) tractor serial numbers are used to identify the specific production year and manufacturing details of a machine. Because IH produced hundreds of models under various brands like Farmall, McCormick, and Case International, serial number tables are typically organized by specific model series. Common Starting Serial Numbers by Model
provides detailed,, historical data on crawler tractors, including T-6 and TD-6 models.
, the number is stamped on a flat surface below the governor on the left side of the engine block.
are incredibly popular today. Their serial numbers are usually found on the left side of the transmission housing and represent the massive production scale of IH during the muscle-tractor era. Why Knowing Your Serial Number Matters