These versatile, offset tractors were popular on vegetable farms and in orchards. | Model | Year | Starting Serial Number | | :--- | :--- | :--- | | Farmall A (FAA) | 1939 | 501 | | Farmall A (FAA) | 1940 | 6744 | | Farmall A (FAA) | 1941 | 41500 | | Farmall A (FAA) | 1942 | 80739 | | Farmall A (FAA) | 1943 | No Official Production | | Farmall A (FAA) | 1944 | 96390 | | Farmall A (FAA) | 1945 | 113218 | | Farmall A (FAA) | 1946 | 146700 | | Farmall A (FAA) | 1947 | 200001 | | | 1947 | 250001 | | Super A | 1948 | 268196 |
Most early tractors use a simple 5-digit number that indicates the unit's place in the production run. For example, a
Therefore, a tractor manufactured in October 1951 is often considered a 1952 model. The bridges this gap, allowing you to cross-reference your specific stamped number with the production run dates. International Harvester Tractor Serial Number Table-
Factory-correct paint schemes, decals, and options changed by production year. How to Locate the Serial Number Plate
Below are detailed production data and serial number tables for many of the most sought-after International Harvester and Farmall tractor models. These versatile, offset tractors were popular on vegetable
IH serial number tags are made of brass or aluminum. Over seventy years, they can become covered in thick layers of grease, primer, and paint. Use a mild degreaser and a soft brass brush (to avoid scratching the metal) to reveal the numbers.
In the 1920s, as production volumes grew, IH moved away from stamping identification numbers directly onto chassis parts—which corrode and wear over time—and began adding serial number tags. Typically made of rustproof metals like aluminum or anodized steel, these tags were affixed to parts of the tractor expected to be free from normal wear, such as the transmission or clutch housing, ensuring they would remain legible for decades. The bridges this gap, allowing you to cross-reference
The Ultimate Guide to International Harvester Tractor Serial Numbers