Morenci Mine Leached Material Dumping.
Giant ore trucks dumping leached material back into the Morenci mine, the largest strip mine in North America. Source:
Morenci is one of North America’s largest producer of copper and one of the largest open-pit mines in the world. It is one of the world’s largest producers of copper cathode from SX/EW. Its operations pioneered the use of Global Positioning Satellite system technology and computer-controlled dispatching in its haul trucks, shovels and other heavy equipment.
Freeport McMoRan Copper & Gold Inc.
FCX is a leading international mining company with headquarters in Phoenix, Arizona. FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold and molybdenum. FCX has a dynamic portfolio of operating, expansion and growth projects in the copper industry and is the world’s largest producer of molybdenum.
Freeport-McMoRan Copper & Gold Inc., (FMCG, NYSE: FCX) often called simply Freeport, is the world's lowest-cost copper producer and one of the world's largest producers of gold. It was formerly based in New Orleans, Louisiana but moved its headquarters to Phoenix, Arizona, after acquiring copper producer Phelps Dodge in 2007. In addition to Phelps Dodge, its subsidiaries include PT Freeport Indonesia, PT Irja Eastern Minerals and Atlantic Copper, S.A. Freeport is the largest publicly traded copper and molybdenum producer in the world.
Caterpillar Inc. is a United States-based corporation headquartered in Peoria, Illinois. Caterpillar is, according to their corporate website, "the world's largest manufacturer of construction and mining equipment, diesel and natural gas engines, and industrial gas turbines." Caterpillar produces a wide range of heavy equipment, including the range of Caterpillar bulldozers. Caterpillar's line of vehicles range from tracked tractors to hydraulic excavators, backhoe loaders, motor graders, off-highway trucks, wheel loaders, and agricultural tractors. They are used in construction, road-building, mining, forestry, energy, transportation and material-handling industries.
Caterpillar is one of the thirty companies whose stock is tracked in the Dow Jones Industrial Average. It is a Fortune 500 company, ranked number 50 in 2008, and first in its industry, with more than $30 billion in assets. Source: Wikipedia, Caterpillar.
CAT 797F Haul Truck.
The 797F is the next step in ultra-class mining trucks, designed and built by Caterpillar using components and systems that have evolved through years of rugged mining applications. It delivers excellent maneuverability, safe operation, low maintenance costs, lower operating costs and a comfortable ride. The 797F also features two retarding options for downhill or flat/uphill applications and oil-cooled multiple disc brakes on all four wheels.
The Caterpillar 797 is an off-highway, ultra class, two axle, mechanical powertrain haul truck developed and manufactured in the United States by Caterpillar Inc. specifically for high production mining and heavy-duty construction applications world-wide. The 797 is Caterpillar’s largest, highest capacity haul truck. The latest version, the 797F, offers one of the largest haul truck payload capacities in the world, up to 400 short tons (363 t).
Wikipedia: Caterpillar 797.