International Harvester Tractor Serial Number Table- · Plus & Top-Rated

By checking multiple casting dates across the tractor, you can find a cluster of matching years. Because parts were typically cast a few weeks or months before final tractor assembly, casting codes will accurately pinpoint your tractor's build year within a very tight window.

IH serial numbers often include letters at the end. These suffix codes indicate factory modifications: Severe duty or specialized attachments Y: High-crop clearance configuration Z: Distillate or kerosene engine option International Harvester Tractor Serial Number Tables International Harvester Tractor Serial Number Table-

Letters stamped at the very end of the serial number indicate special factory modifications. Common IH suffix codes include: Gasoline engine X2: Distillate engine X3: Kerosene engine Y: High-clearance / High-Crop chassis W: Wide front axle By checking multiple casting dates across the tractor,

IH frequently made running production changes. The correct part often depends on whether your tractor was built before or after a specific serial number break. International Harvester Tractor Serial Number Table-