International Harvester (IH) tractors are icons of American agricultural history. Whether you own a Farmall, a McCormick-Deering, or a late-model IH, knowing how to read the serial number is the only way to confirm the exact year of production. This guide provides the lookup tables and location tips you need to identify your machine. How to Find Your Serial Number
| Year | Starting Serial Number | |------|------------------------| | 1947 | 501 | | 1948 | 18848 | | 1949 | 56095 | | 1950 | 83894 | International Harvester Tractor Serial Number Table-
This is where IH entered the modern era with diesel options and larger chassis. These serial number tables are the most complex because production spanned multiple plants (Farmall Works, Louisville, Hamilton, Ontario). International Harvester (IH) tractors are icons of American
Typically on the left side of the clutch housing or the seat support. How to Find Your Serial Number | Year
| Year | Starting Serial Number | |------|------------------------| | 1939 | 501 | | 1940 | 8694 | | 1941 | 26953 | | 1942 | 48626 | | 1943 | 62520 | | 1944 | 74239 | | 1945 | 88167 | | 1946 | 105404 | | 1947 | 128677 | | 1948 | 158925 | | 1949 | 192534 | | 1950 | 226776 | | 1951 | 264220 | | 1952 | 299229 | | 1953 | 330973 |