International Harvester Tractor Serial Number Table- //top\\ Guide

The 400 and 450 were high-horsepower row-crops; the 300 and 350 were smaller. The table is essential because many 400s were updated to look like 450s.

This is where IH entered the modern era with diesel options and larger chassis. These serial number tables are the most complex because production spanned multiple plants (Farmall Works, Louisville, Hamilton, Ontario). International Harvester Tractor Serial Number Table-

On International industrial tractors (I-4, I-6) and power units, the serial number may be on the engine block itself. This is often the engine serial , not the tractor chassis serial. Always default to the clutch housing for the master VIN equivalent. The 400 and 450 were high-horsepower row-crops; the

Often found on a plate attached to the clutch housing or on the seat support. Ontario). On International industrial tractors (I-4