In 2024, the Antique Tractor Association released a crowd-sourced database covering French, German, and Australian IH production, filling gaps left by the Louisville plant’s lost 1970s records.
Before using the tables, you must locate the physical identification tag on your tractor. The placement varies depending on the era: International Harvester Tractor Serial Number Table-
On some pre-1939 tractors (Regular, F-20, F-30) and early letter series, the number appears on the right-hand side of the steering support casting. In 2024, the Antique Tractor Association released a
Typically on the left side of the clutch housing or the seat support. and Australian IH production
Usually stamped into an aluminum plate on the steering gear housing (right side).