International Harvester Tractor Serial Number Table- • Top

In the late 1960s, IH transitioned to a more complex "Kind/Code" format. A typical tag from this era looks like this: 2590009U004452 .

: Identifies the basic machine type (e.g., 259 for a 5488 tractor). International Harvester Tractor Serial Number Table-

produced in 1939 (the first year) would have a serial number starting at 501. In the late 1960s, IH transitioned to a