The indicates the identity of the entire machine and is the number you should use for historical tables.
: 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
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.
A common point of confusion for tractor restorers is the difference between the and the engine serial number .
Depending on the exact chart, a serial number table will typically tell you: International Harvester Tractor Serial Number Table-
provides starting numbers for various English-built tractors: Svenska IH-klubben B-275 (1958–1962) : Started at 501 (1958) up to 29646 (1962). B-414 (1961–1966) : Started at 501 (1961) up to 28791 (1970). B-450 (1959–1963) : Started at 501 (1959) up to 8041 (1964). How to Decode Later Serial Numbers In the late 1960s, IH adopted a system found on the identification tag: Kind (First 3 digits)
Whether you are trying to decode a rusted-out find in a barn or ensuring your 1066 has the correct hydraulic pump for its year, the Serial Number Table is your best friend.
This format includes a 13 to 14 character string (e.g., 2590009U004452 ). Kind (First 3 digits): Identifies the basic machine type.
The actual production number of that machine. The indicates the identity of the entire machine
International Harvester serial numbers do more than just identify a tractor; they serve as the machine's birth certificate. Dating IH tractors is distinct from modern vehicles because IH used a , not model-year designations. The official tractor data is typically presented in a table that lists the first serial number produced at the beginning of each calendar year. By comparing a serial number to the numbers in the table, you can pinpoint the tractor's year of manufacture.
International Harvester Tractor Serial Number Table: A Definitive Guide
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The serial number table tells you the starting number for each production year. If your tractor's serial number is lower than the starting number for the next year, it belongs to the previous year. Popular Farmall and International Series Tables Over seventy years, they can become covered in
Whether you are buying a new project, ordering parts, or registering for a vintage tractor show, knowing the exact age of your machine is crucial. For International Harvester (IH) enthusiasts, the serial number is more than just a string of digits—it is the DNA of your tractor.
Styling changes often happened mid-year. Knowing the precise year ensures you buy the correct matching components.
: Often stamped on a machined flat surface of the cylinder block, these numbers usually trend slightly higher than the tractor's chassis serial number but can confirm the age. Regional Differences