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International Harvester Tractor Serial Number Table- Page

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    International Harvester Tractor Serial Number Table- Page

    Here’s a clean, informative post suitable for a blog, forum (like Reddit or a tractor enthusiasts’ group), or social media caption.

    Unit Number: The final digits representing the unique serial number of that specific unit. International Harvester Tractor Serial Number Table-

    | Model | Year | Serial Number Range | |-------|------|----------------------| | Farmall Cub | 1947 | 501 – 1000 | | Farmall Cub | 1950 | 61,305 – 82,100 | | Farmall H | 1939 | 501 – 1473 | | Farmall H | 1953 | 391,801 – 396,167 | | Farmall M | 1939 | 501 – 4750 | | Farmall M | 1952 | 221,915 – 233,504 | | IH 350 | 1956 | 2501 – 17021 | | IH 656 (Gas) | 1965 | 501 – 12500 | | International 1066 | 1971 | 7101 – 15000 | Here’s a clean, informative post suitable for a

    Special Case: The “Super” and “Smith-Diesel” Years

    • Super M, Super H, Super C – Serial numbers overlap with late standard models. Look for the “Super” casting or a stamped “S” in the serial prefix.
    • Diesel models (MD, Super MD, 400 Diesel, etc.) – Use the same serial number sequence as gassers but have a “D” suffix.

    2. The Engine Block On older models (like the Letter Series), the serial number is often stamped directly into a boss (a flat, raised surface) on the engine block, typically on the left side near the carburetor or magneto. Super M, Super H, Super C – Serial

    👉 Pro tip: A “T” prefix (e.g., T-340) means crawler/track tractor. “F” means Farmall row-crop. No prefix? Likely a standard wheatland or industrial model.

    Because International Harvester produced a massive variety of models—from the revolutionary Farmall series to the industrial-grade International crawlers—the serial number table is essential for:

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

    • Gas Tractors (Farmall letter & number series): Look for a metal nameplate attached to the instrument panel (dashboard) or the side of the clutch housing.
    • Diesel Tractors (60s-80s models): Often located on a tag riveted to the right-hand side of the clutch housing or the engine block.
    • Early Models: Sometimes stamped directly into the frame rail or the top of the transmission case.
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Here’s a clean, informative post suitable for a blog, forum (like Reddit or a tractor enthusiasts’ group), or social media caption.

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

| Model | Year | Serial Number Range | |-------|------|----------------------| | Farmall Cub | 1947 | 501 – 1000 | | Farmall Cub | 1950 | 61,305 – 82,100 | | Farmall H | 1939 | 501 – 1473 | | Farmall H | 1953 | 391,801 – 396,167 | | Farmall M | 1939 | 501 – 4750 | | Farmall M | 1952 | 221,915 – 233,504 | | IH 350 | 1956 | 2501 – 17021 | | IH 656 (Gas) | 1965 | 501 – 12500 | | International 1066 | 1971 | 7101 – 15000 |

Special Case: The “Super” and “Smith-Diesel” Years

2. The Engine Block On older models (like the Letter Series), the serial number is often stamped directly into a boss (a flat, raised surface) on the engine block, typically on the left side near the carburetor or magneto.

👉 Pro tip: A “T” prefix (e.g., T-340) means crawler/track tractor. “F” means Farmall row-crop. No prefix? Likely a standard wheatland or industrial model.

Because International Harvester produced a massive variety of models—from the revolutionary Farmall series to the industrial-grade International crawlers—the serial number table is essential for:

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

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