ESN Lookup
Identify the manufacturer and model series from a diesel Engine Serial Number.
ESN Breakdown
466TM2U1234567
Navistar International is an American manufacturer of commercial trucks, buses, and diesel engines, headquartered in Lisle, Illinois. A successor to the International Harvester Company, Navistar was acquired by Traton Group (a Volkswagen subsidiary) in 2021. The brand is best known for its International-branded trucks and school buses.
ESN Format
Navistar ESNs embed the engine model code (e.g., "466" for DT466, "530" for DT530) in the leading digits, followed by build configuration characters and a sequential serial number. This makes the displacement immediately readable from the first three digits of the ESN.
Manufacturing
Diesel engines are manufactured at the Navistar engine plant in Huntsville, Alabama, which produces the A26 and other current-generation engines.
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