International Harvester Tractor Serial Number Table- -

Are you trying to identify the machine for , buying parts , or selling purposes ?

If your serial number tag is illegible or missing, you can use the found on the engine block, transmission, or rear end to find the approximate date. Casting codes typically follow a format like: A234

Many IH serial numbers include prefix letters that identify not just the model, but the kind of tractor within that model family. For example, Farmall M tractors often use the prefix FBK . A "Farmall Super M" has the prefix F-SM . On "Super M" tractors built in Louisville, an L is stamped on the tag to indicate the plant of origin. You can also encounter industrial variants: on the I-12 and I-14, the prefix letters were IS . These prefixes are the key that tells you which serial number list—Farmall, International, or Industrial—to consult.

Typically found on the engine block or the transmission housing box. Letter and Hundred Series (1939–1950s)

Identifying the age, model, and history of an International Harvester (IH) tractor is essential for restoration, maintenance, and sourcing the correct parts. The is the primary resource for decoding this information, allowing collectors and farmers to determine exactly when their "Farmall" or "International" was manufactured. International Harvester Tractor Serial Number Table-

The answer lies in a single, stamped line of digits. But without the proper key, that serial number is just a string of metal stamps. That key is the .

By checking multiple casting dates across the tractor, you can find a cluster of matching years. Because parts were typically cast a few weeks or months before final tractor assembly, casting codes will accurately pinpoint your tractor's build year within a very tight window.

Below is a serial number table for the most common International Harvester tractor series. Use this to cross-reference your number.

The is more than a list of dates—it is a historical document. In the collector market, a 1953 Farmall Super M is common, but a 1954 model with a serial number above 65,000 might have the rare "high-altitude" pistons. Are you trying to identify the machine for

Styling changes often happened mid-year. Knowing the precise year ensures you buy the correct matching components.

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

International Harvester (IH) tractors have been a staple in the agricultural industry for over a century. To keep track of the large number of tractors produced, IH assigned a unique serial number to each machine. Understanding the serial number table can help you identify the production year, model, and other relevant information about your IH tractor.

Usually located on the clutch housing, on the left-hand side near the top. For example, Farmall M tractors often use the prefix FBK

Usually on a tag located on the right-hand side of the main tractor frame, near the transmission.

| Year | Starting Serial Number | | :--- | :--- | | 1958 | 501 | | 1959 | 2011 | | 1960 | 8082 | | 1961 | 11168 | | 1962 | 16637 |

If your serial number plate is entirely missing or unreadable, you can still determine the production year using IH casting codes.

Stamped on a plate on the left side of the clutch housing or the engine tool box.