Hitachi EX5500 shovels loading CAT 793,
785 and 777 in Yanacocha, Cajamarca, Peru.
Minera Yanacocha is the largest gold producer in Latin America.
The San Jose pit at Yanacocha was transformed into a $25 million reservoir storing 1.3 billion gallons (5.9 million cubic meters) of water. Source:
"Yanacocha is a gold mine in northern Peru, considered to be the second largest gold mine in the world, producing over US$7 billion worth of gold to date.The 251-square kilometer open pit mine is situated about 30 kilometers (14 km straight line) north of Cajamarca, in high pampa, straddling the watershed. The World Bank's International Finance Corporation (IFC) provided loans totaling US$150 million for development and has a 5% equity investment in Yanacocha, which is run by the Newmont Mining Corporation, a Denver, Colorado-based company that is the world’s second largest gold mining firm. Newmont is the major shareholder together with Buenaventura, a Peruvian company. In 2005, Yanacocha produced 3,316,933 ounces (103,200 kg) of gold (INEI)."
Hitachi EX5500 Mining Excavator &
The EX5500 shovels typically operate at an altitude between 11,800 feet (3600 meters) and 13,120 feet (4000 meters) - a height where most equipment struggles because of thin air. They usually load Caterpillar 793 haul trucks, although the mine operates a mixed truck fleet that includes 785s and 777s.
Hitachi Construction Machinery Co., Ltd. (HCM) and its consolidated subsidiaries (the HCM Group) use extensive experience and advanced technological capabilities to develop and manufacture a wide range of leading-edge construction machinery.
A Power shovel (also stripping shovel or Front Shovel or Electric Mining Shovel) is a bucket equipped machine, usually electrically powered, used for digging and loading earth or fragmented rock, and mineral extraction.
Off-road dump truck
Off-road dump trucks are used strictly off-road for mining and heavy dirt hauling jobs. The term ‘Dump’ Truck is not generally used by the mining industry, or by the manufacturers that build these machines. The more appropriate US term for this strictly off road vehicle is, ‘Haul’ truck and the equivalent European term is 'Dumper'.
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.