Manufacturer: ERTL
The Ertl Company is an American toy company best known for its die-cast metal alloy collectible replicas of farm equipment and vehicles, (or scale models. The company is based in Dyersville, Iowa, home of the National Farm Toy Museum. In the 1990s, Ertl also began production in Mexico, inevitably laying off the employees of the original Ertl factory which would become a warehouse/distribution facility and an outlet store.
http://en.wikipedia.org/wiki/Ertl_Company
http://www.ertltoys.com/