Here’s a content piece titled “International Harvester Tractor Serial Number Table: A Collector’s Guide to Dating Your Red Iron.” It’s structured for a blog post, owner’s manual appendix, or club newsletter.

Engine Numbers: A separate engine serial number is often stamped directly into the cylinder block, usually above the oil filler tube. Serial Number Reference Tables

Cub Models: Usually stamped into an aluminum plate on the right side of the steering gear housing.

How to Read an International Harvester Serial Number Table

Most tables are organized chronologically by model. They will list a starting serial number for each production year.

International Harvester (IH) and Farmall tractor production years are identified via serial number plates located on the engine block, transmission, or front bolster. If the plate is missing, casting date codes on major components can be used to determine the year. Detailed, model-specific serial number tables are available from sources such as the Wisconsin Historical Society IH Archives Bates Corporation Wisconsin Historical Society

International Harvester Tractor Serial Number Table

Serial Number (Final 4-6 digits): The actual sequential production number of your machine. Sample Serial Number Table

How to Use the Serial Number Table (Step-by-Step)

Let’s walk through a practical example. You find a rusted Farmall H in a ravine.