Attributes . 1990 to 1996 Freightliner FL50/FL60; 1990 to 2003 Ford F600; 1990 to 2003 Ford F650; 1990 to 2010 Chevy/GMC C4500; 1990 to 2010 Chevy/GMC C5500; 1990 to 2010 Chevy/GMC C6500 . Names