International Harvester Tractor Serial Number Table- [extra Quality] Jun 2026

If you’ve recently acquired an old International Harvester (IH) or Farmall tractor, or you’re looking to restore a family heirloom, the first thing you need is its "birth certificate"—the serial number. Unlike modern cars with standard VINs, vintage tractors use unique serial numbers to pinpoint their exact year of manufacture and factory origin. Where to Find Your Serial Number

Some IH models have tricky serial numbers that require a specific reading of the table. International Harvester Tractor Serial Number Table-

. There is often a motor serial number embossed on a flat machined spot near the #1 spark plug (front of the engine). While it may not always match the chassis exactly, it usually corresponds closely. How to Read the Tables If you’ve recently acquired an old International Harvester

Many antique IH tractors lose value because the serial tag rots away. These tags were originally aluminum (post-1950) or tin (pre-1950). To preserve yours: How to Read the Tables Many antique IH

This was IH’s first modern row-crop tractor with a V-8 diesel option. The serial number table shows a critical split in 1965:

Using casting codes is less precise, but it ensures you don't buy a 1945 engine in a 1947 chassis.