Freightliner FS-65

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The Freightliner FS-65 is a cowled, conventional-style school bus chassis built by Freightliner Custom Chassis from 1997 to 2006 in Gaffney, South Carolina. It was developed from Freightliner’s FL-Series medium-duty trucks and was mainly used for school buses, though some commercial or specialty buses used the FS-65 as well. It served as an indirect successor to the Ford B-Series chassis after Ford shifted much of its bus production to van-derived chassis in the late 1990s. The FS-65 was produced as an incomplete vehicle and shipped to bus body manufacturers for final assembly, with Thomas Built Buses becoming the primary body partner after 2002.

Key facts
- Production and end: 1997–2006; 62,764 units produced in total; the last FS-65 chassis was delivered December 13, 2006 to O’Brien Bus Service, Maryland.
- Design and features: introduced with standard hydraulic anti-lock brakes and a raised driver’s platform on a sloped hood to improve visibility, which prompted body redesigns in some models.
- Engines and transmissions: offered Caterpillar and Cummins diesels (including the 3126 and later the C7, and Mercedes-Benz MBE900), with Allison automatics (2000 as standard, plus 2500, 3000, MD3060, MT643 options). A rare Fuller 5-speed manual was also available.
- Market and partnerships: AmTran never used the FS-65; Blue Bird shifted to its own chassis; after 2002, FS-65 was sold only with Thomas bodies. In 2004, the Thomas Saf-T-Liner C2 was introduced, but FS-65 continued alongside it through 2006.
- Significance: the FS-65 was one of the first all-new North American school bus chassis designed from the start for diesel engines. It marked Freightliner’s push into full-size school bus production, a line that ended with the 2006 discontinuation of the FL-Series.