International Harvester Tractor Serial Number Table- __hot__ Jun 2026

Look on the left side of the clutch housing (torque tube) just ahead of the brake pedals.

If you are a vintage tractor collector, a restoration enthusiast, or a working farmer, deciphering the history of your International Harvester (IH) machine is an essential—and often thrilling—first step.

Before using a , you must locate the original serial number plate on your tractor. IH was consistent with these locations, though they varied by age and model type.

Identifies the specific model variation or configuration. Country (Letter): Often "U" for USA.

Identifying the year and model of an International Harvester (IH) or Farmall tractor is essential for restoration, maintenance, and ordering parts. For many collectors and farmers, the serial number tag is the ultimate source of truth. International Harvester Tractor Serial Number Table-

International Harvester produced several distinct "eras" of tractors. Here is a brief look at some of the most collected series and how their serial numbers work. The Farmall "Regular" (1926–1931)

Drop your model and last 4 digits of your serial number below — we’ll help you pin down the year. ⬇️

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

If you're looking for a for a particular model , Share public link Look on the left side of the clutch

If you cannot find the tag, check these common mounting points: how to determin the production year of my 460?

What is the specific of your International Harvester tractor?

International Harvester Tractor Serial Number Table: A Definitive Guide

Typically located on the right or left side of the transmission housing, near the operator's platform. Reading the Suffix Codes IH was consistent with these locations, though they

International Harvester used riveted metal tags rather than simple frame stamps to ensure durability. The location of these plates varies widely depending on the production era and model type.

Example: *9*18*W*

The following tables provide a chronological overview of serial numbers for International Harvester's major tractor series.