International Harvester Tractor Serial Number Table- Jun 2026

Ensure you are looking at the correct serial number table. An "F-20" table will not work for an "H".

Note: Serial numbers represent the starting number for that year unless otherwise noted. 1. Popular Farmall Letter Series (1939–1954) 1939 (501) - 1947 (156000) Farmall B: 1939 (501) - 1947 (104000) Farmall H: 1939 (501) - 1953 (382673) Farmall M: 1939 (501) - 1952 (290000) 2. Farmall Super Series & Early Numbers (1950s) Farmall Super A: 1947 (250000) - 1954 (350000) Farmall Super H: 1952 (10001) - 1954 (30500) Farmall Super M: 1952 (10001) - 1954 (40000) Farmall 200: 1954 (501) - 1956 (15000) Farmall 300: 1954 (501) - 1956 (25000) Farmall 400: 1954 (501) - 1956 (35000) 3. 06 Series and Beyond (1960s-1970s) Farmall/International 706: 1963 (501) - 1967 (36476) Farmall/International 806: 1963 (501) - 1967 (31871) Farmall/International 1206: 1965 (7501) - 1967 (15598) International 1466: 1971 (8001) - 1976 (31124) How to Use a Serial Number Table

IH stamped date codes on major cast iron pieces (engine blocks, transmission cases, axle housings). The code format typically features two digits followed by a letter (e.g., 10-15-R ). The month of manufacturing. Middle Numbers: The day of the month. Ending Letter: The specific year designation. IH Year Code Key (1931–1954) A: 1931 I: Skip / Not used O: Skip / Not used W: 1951 X: 1952 Y: 1953 Z: 1954 International Harvester Tractor Serial Number Table-

While lists vary by model, manufacturers typically used starting numbers for each production year. Below is an example of historical starting numbers for some early Case International Harvester models: Starting Serial Number Case Model 10-18 1918–1922 13285, 22223, 32841, 42256, 43943 Case Model 10-20 1915–1918 2842, 3691, 7492, 13285 Case 12-25 1914–1918 2496, 2842, 3691, 7492, 13285 Next Steps for Collectors Identify Your Tractor (serial numbers) - TM Tractor Parts

This system was remarkably consistent. Regardless of where in the world IH made the tractor—Doncaster, England; Geelong, Australia; or Louisville, USA—the Kind/Code tags followed the same format, allowing for easy cross-referencing. Ensure you are looking at the correct serial number table

International Harvester (IH) tractor serial numbers are used to identify the specific production year and manufacturing details of a machine. Because IH produced hundreds of models under various brands like Farmall, McCormick, and Case International, serial number tables are typically organized by specific model series. Common Starting Serial Numbers by Model

International Harvester (IH) and Farmall tractor production years are identified via serial number plates located on the engine block, transmission, or front bolster. If the plate is missing, casting date codes on major components can be used to determine the year. Detailed, model-specific serial number tables are available from sources such as the Wisconsin Historical Society IH Archives Bates Corporation Wisconsin Historical Society their policies apply.

of the transmission housing, or the seat support, depending on the model. The Kind/Code Format

Below are the starting serial numbers for several popular historical models. Most lists indicate the starting number for that calendar year. Farmall Cub (1947–1954) TM Tractor Parts table shows the serial ranges for early Cubs: TM Tractor Parts : 501 – 11347 : 11348 – 57830 : 57831 – 99535 : 99536 – 121453 : 121454 – 144454 : 144455 – 162283 : 162284 – 179411 : 179412 – 186440 Early Case International Models According to Anglo Agriparts , starting numbers for early 20th-century models were: Anglo Agriparts Case 10-18 Case 12-25 Case 12-20 British-Built IH Models (B-Series)

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