International Harvester Tractor Serial Number Table- 95%

The is specific only to the motor. Because engines were frequently swapped out over decades of farm use, relying on engine numbers alone can lead to an incorrect manufacturing year for the tractor itself. Suffixes and Prefixes

Before we dive into the tables, it is important to understand why these numbers matter.

| Model | Year | Starting Serial Number | Year | Starting Serial Number | | :--- | :--- | :--- | :--- | :--- | | | 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 | International Harvester Tractor Serial Number Table-

The final digits representing the unique serial number of that specific unit.

If you are sitting down with a serial number table to decode your machine, keep these tips in mind to avoid frustration: The is specific only to the motor

Here are the most common locations based on the era of the tractor: Early Models (1920s–1930s)

IH serial numbers often contain prefix and suffix letters. These letters indicate specific factory configurations, attachments, or modifications. High-clearance chassis Y: 12-inch front wheels / adjustable front axle Z: High-speed transmission E: Gasoline engine (on models with multiple fuel options) D: Diesel engine J: Rockford clutch K: Atwood clutch International Harvester Tractor Serial Number Tables | Model | Year | Starting Serial Number

IH adopted a "Kind/Code" format where the serial tag contains structured data about the machine's configuration.

If you can tell me the and serial number of your tractor, I can help you identify its exact year of manufacture . International Harvester Serial Numbers - Tractorparts.com

In the late 1960s, IH transitioned to a more complex "Kind/Code" format. A typical tag from this era looks like this: 2590009U004452 .

| Model | Year | Starting Serial Number | Model | Year | Starting Serial Number | | :--- | :--- | :--- | :--- | :--- | :--- | | | 1965 | 8501 | Farmall 806 | 1963 | 501 | | | 1966 | 15505 | | 1964 | 4709 | | | 1967 | 24372 | | 1965 | 15946 | | | 1968 | 32007 | | 1966 | 24038 | | | 1969 | 38861 | | 1967 | 34943 | | | 1970 | 42518 | International 806 | 1963 | 501 | | | 1971 | 45497 | | 1964 | 1403 | | | 1972 | 47951 | | 1965 | 3758 | | Farmall 656 | 1966 | 7501 | | 1966 | 5917 | | | 1967 | 7842 | | 1967 | 7409 |