Engines 1998 United States, Pittston, Pennsylvania
Engines United States, Scranton, Pennsylvania
Axles 2010 United States, Coopersburg, Pennsylvania
Axles 2017 United States, Coopersburg, Pennsylvania
Engines 2019 United States, Pittston, Pennsylvania
Axles 2016 United States, Coopersburg, Pennsylvania
Axles 2003 United States, Coopersburg, Pennsylvania
Engines 2001 United States, Pittston, Pennsylvania
Engines 2006 United States, Pittston, Pennsylvania
Cabins and interior 2004 United States, Coopersburg, Pennsylvania
Engines 2012 United States, Pittston, Pennsylvania
Engines 2015 United States, Pittston, Pennsylvania
Engines 2021 United States, Pittston, Pennsylvania