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International Harvester S-Series
An International Harvester S-Series truck that suffered damage due to Hurricane Katrina.
Manufacturer International Harvester Corporation (1978-1986)
Navistar International (1986-2001)
Production 1978-2001
Predecessor International Harvester Loadstar (1962-1979)
Successor 4300/Durastar
Class Medium-duty Truck

The International Harvester S-Series was a medium-duty truck line made by International Harvester from 1978 to 1992. It served as a gradual replacement for the International Harvester Loadstar, which was last produced in 1979. Like the Loadstar, the S-Series trucks were commonly used for local delivery vehicles, and for school buses.

Most of the components were carried over into a new line of medium duty trucks with a redesigned hood and interior in 1991, and an update of the interior in 1995 until the model's discontinuation in 2001.


  • S-1600
  • S-1700
  • S-1800
  • S-1900
  • S-2000
  • 3800
    • School bus chassis (1989-2004)
  • 4600
  • 4700
  • 4900
  • 8100
  • 8200

References / sources

  • American Truck & Bus Spotter's Guide: 1920-1985, by Tad Burness.
  • International Trucks, by Frederick W. Crismon

External links

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