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  2. Bucket-wheel excavator - Wikipedia

    en.wikipedia.org/wiki/Bucket-wheel_excavator

    Note the 40-ton CAT wheeled dozer at lower left for size comparison. A bucket-wheel excavator (BWE) is a large heavy equipment machine used in surface mining. Their primary function is that of a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day.

  3. Ringtail - Wikipedia

    en.wikipedia.org/wiki/Ringtail

    Globally, it is listed as Least Concern on the IUCN Red List [1] but is a Conservation Strategy Species in Oregon [2] and Fully Protected in California [3] The species is known by a variety of names, such as ring-tailed cat, miner's cat, civet cat, and cacomistle (or cacomixtle), though the last of these can refer to B. sumichrasti.

  4. Caterpillar 777 - Wikipedia

    en.wikipedia.org/wiki/Caterpillar_777

    The Caterpillar 777 is a 100-ton haul truck, typically used in open pit mining, manufactured by Caterpillar Inc. [1] [2] The first model of Caterpillar 777 was introduced in 1974. [3] Its diesel engine is capable of putting out 870 horsepower (650 kW). The 777D, introduced in 1996, was powered by a 938-horsepower (699 kW) diesel.

  5. Minecart - Wikipedia

    en.wikipedia.org/wiki/Minecart

    Cart from 16th century, found in Transylvania. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.

  6. Caterpillar Inc. - Wikipedia

    en.wikipedia.org/wiki/Caterpillar_Inc.

    Caterpillar Inc., also known as Cat, is an American construction, mining and other engineering equipment manufacturer. [6] The company is the world's largest manufacturer of construction equipment. [ 3 ] [ 7 ] [ 8 ] In 2018, Caterpillar was ranked number 73 on the Fortune 500 list [ 9 ] and number 265 on the Global Fortune 500 list. [ 10 ]

  7. Open-pit mining - Wikipedia

    en.wikipedia.org/wiki/Open-pit_mining

    Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, [1] is a surface mining technique that extracts rock or minerals from the earth. Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface where the overburden is relatively thin. In contrast, deeper mineral ...

  8. Underground soft-rock mining - Wikipedia

    en.wikipedia.org/wiki/Underground_soft-rock_mining

    Shortwall mining – A coal mining method that accounts for less than 1% of deep coal production, shortwall involves the use of a continuous mining machine with moveable roof supports, similar to longwall. The continuous miner shears coal panels 150–200 feet wide and more than a half-mile long, depending on other things like the strata of the ...

  9. Caterpillar 789 - Wikipedia

    en.wikipedia.org/wiki/Caterpillar_789

    The Caterpillar 789 dump truck is a model of haul trucks, typically used in open pit mining, manufactured by Caterpillar Inc. [1] [2] The 789 has a capacity of 177 tonnes, and its engine can produce 1770 horsepower. While some competing products use hybrid drive, the Caterpillar 789 has an entirely mechanical drive-train. The first Caterpillar ...