Engines United States, Chicago, Illinois
Tires, wheels and rims United States, Menifee, California
Transmission United States, Chicago, Illinois
Engines United States, Orrville, Ohio
Booms and dippers United States, Solon, Ohio
Radiators United States, Sweet Home, Oregon
Tires, wheels and rims United States, Ridgefield, New Jersey
Engines United States, Houston, Texas