International Harvester Tractor Serial Number Table-
Below is a condensed, high-value reference table. For a full restoration, always cross-reference with official IH archives (like the Wisconsin Historical Society) or a published International Harvester Tractor Serial Number Table book by Guy Fay.
| Model | Year | Starting Serial Number | Year | Starting Serial Number | | :--- | :--- | :--- | :--- | :--- | | Farmall A / AV | 1939 | 501 | 1947 | 199,896 | | (Super A) | 1947 | 250,001 | 1954 | 328,501 | | Farmall B / BN | 1939 | 501 | 1947 | 116,501 | | Farmall C / Super C | 1948 | 226,501 | 1951 | 280,165 | | Farmall H | 1939 | 501 | 1953 | 392,292 | | Farmall M / MV | 1939 | 501 | 1952 | 269,634 | | Farmall 300 | 1955 | 501 | 1956 | 33,189 | | Farmall 350 | 1956 | 501 | 1958 | 34,301 | | Farmall 400 | 1954 | 501 | 1956 | 38,551 | | Farmall 450 | 1956 | 501 | 1958 | 18,144 | | IH 504 | 1963 | 501 | 1965 | 11,775 | | IH 606 | 1962 | 501 | 1967 | 26,619 | | IH 706 (Gas) | 1963 | 501 | 1967 | 71,138 | | IH 806 | 1963 | 501 | 1967 | 44,209 | | IH 826 | 1968 | 8,621 | 1970 | 15,517 | | IH 856 | 1968 | 9,581 | 1971 | 19,718 | | IH 966 | 1971 | 10,208 | 1976 | 41,911 | | IH 1066 | 1971 | 10,208 | 1976 | 49,243 | | IH 1466 | 1971 | 10,208 | 1976 | 18,441 | | IH 1566 | 1974 | 8,799 | 1976 | 11,028 |
(Note: Production numbers often overlapped into the next calendar year. Serial breaks listed represent the first number of that production run.) International Harvester Tractor Serial Number Table-
If your serial number plate is rusted or missing, you are not out of luck. Combine the serial number table with other clues:
Before you use a table, you must find the number. IH placed serial numbers in different locations depending on the era: Below is a condensed, high-value reference table
Pro Tip: 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.
There are several possibilities:
International Harvester (IH) produced millions of tractors between the early 1900s and the 1980s. While the model number (like a Farmall M or an IH 574) tells you the basic design, the Serial Number tells you the specific story of that machine.
Using a serial number table allows you to: Pro Tip: Never trust painted-over tags