Engines United States, Chicago, Illinois
Transmission United States, Chicago, Illinois
Booms and dippers 2010 United States, Chicago, Illinois
Engines 2004 United States, Chicago, Illinois
Engines 2010 United States, Chicago, Illinois
Engines 2017 United States, Chicago, Illinois
Engines 2012 United States, Chicago, Illinois
Engines 2006 United States, Chicago, Illinois