Caterpillar’s Cast Metal Organization is constantly investigating ways to remain a world-class foundry and be the best in the global casting business.

Cast Metals Organization

Caterpillar's Cast Metals Organization (CMO) is a modern, electric melting, cast iron foundry located in Mapleton, Illinois. The facility occupies 440 acres and contains approximately 880,00 square feet (20.2 acres) of space under roof.

Cast Iron Production

CMO produces cast iron (high-strength grey, CGI, and ductile) cylinder blocks, heads, and liners that are used in the 115-6,600hp (86- 4,920 kW) engine platforms. Current finished castings range in size from 15-pound (7 kilograms) liners to 22,000-pound (10,000 kilograms) engine blocks. CMO also produces high-performance blocks for a variety of racing applications.

The facility ships an average of 150, 000 tons of finished product each year. The convenient location in the Mapleton area provides links to all major forms of transportation allowing CMO to ship to anywhere in the world.

Environmental Programs

Environmental compliance is a multi-million dollar annual operation at CMO. Our professional staff operates several environmental programs that include:

  • State-of-the-art wastewater treatment plant
  • Air pollution control equipment
  • On-site sand disposal and
  • Several recycling programs.

CMO certifications:

  • Lloyd's Register and Bureau Veritas Marine Societies
  • QS9000
  • MQ12005
  • Class A
  • MACT compliant.