International Harvester Tractor Serial Number Table- Jun 2026

Serial number prefixes reveal factory options like High-Crop chassis, Row-Crop configurations, and alternative fuel engines (distillate or kerosene).

: Australian-made IH tractors used square-cornered tags, whereas USA-made versions featured rounded corners. Antique Tractor Blog Top Resources & Registries Wisconsin Historical Society IH Archives

| Year | Starting Serial Number | | :--- | :--- | | 1939 | 501 | | 1940 | 10653 |

Many registries and clubs, such as IHC Collectors, actively maintain databases. Checking your serial number allows you to contribute to the historical record of these magnificent machines. Tips for Using Serial Number Tables Successfully

Identifying the exact year and model of an tractor is essential for restoration, maintenance, and ordering parts. Because IH produced millions of tractors over decades, an International Harvester Tractor Serial Number Table is the most reliable tool to decipher a machine's history. These tables link a specific serial number stamped on the tractor to the year it rolled off the assembly line. International Harvester Tractor Serial Number Table-

Serial number ranges vary significantly across models. For many early-to-mid 20th-century models, the serial number "501" frequently designated the first unit built in the first year of production. Starting Serial Number Case Model 10-18 Case Model 10-20 Farmall A, B, BN Farmall Cub Farmall 140 International 384 How to Decode IH Serial Number Tags

International Harvester Company (IHC) tractors are among the most collected and restored agricultural machines in the world. Whether you own a legendary Farmall H, a rugged McCormick-Deering, or a powerhouse 1066, the serial number is the key to unlocking your tractor's history.

Serial number tables are organized chronologically. For example, if your table shows that the serial numbers for a Farmall M in 1940 ranged from 1200012000 , and your tractor’s serial number is

| 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 | Serial number prefixes reveal factory options like High-Crop

Unlike cars, which use a standardized 17-digit VIN (Vehicle Identification Number), vintage tractors operate on a variety of manufacturer-specific systems. An International Harvester tractor serial number table serves three critical functions:

International Harvester Tractor Serial Number Table: A Definitive Guide

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

As you dig into the tables, watch out for these common headaches: Checking your serial number allows you to contribute

For collectors, farmers, and restorers, identifying the exact year and model of an International Harvester (IH) tractor is crucial. The key to unlocking this history lies in the , a vital reference tool that maps specific serial numbers to manufacturing years. Whether it's a classic Farmall Letter Series or a later International series tractor, understanding the serial number ensures you order the right parts and understand the machine's provenance.

Often found on the bolster (front axle housing) or the left side of the transmission housing.

Before using a serial number table, you must locate the identification tag on your tractor. The location varies depending on the model and year of production.

: The Wisconsin Historical Society holds digitized production records for tractors made between 1911 and 1944.

This guide provides a comprehensive overview of how to find and use these tables, including common locations for Farmall and International Harvester models, and a guide to identifying popular series. Where to Find the IH Serial Number Plate