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  2. Bagger 288 - Wikipedia

    en.wikipedia.org/wiki/Bagger_288

    The Bagger 288 bucket-wheel excavator, beside a Caterpillar Inc. model 824H front end loader for size comparison. The excavating head itself is 21.6 m (70 ft 10 in) in diameter and has 18 buckets each holding 6.6 cubic metres (8.6 cu yd) of overburden. By February 2001, the excavator had completely exposed the coal source at the Tagebau Hambach ...

  3. Compact excavator - Wikipedia

    en.wikipedia.org/wiki/Compact_excavator

    Compact excavator. A Bobcat compact excavator. A compact or mini excavator is a tracked or wheeled vehicle with an approximate operating weight from 0.7 to 8.5 tonnes. [1] It generally includes a standard backfill blade and features independent boom swing. Hydraulic excavators are somewhat different from other construction equipment in that all ...

  4. Bucket-wheel excavator - Wikipedia

    en.wikipedia.org/wiki/Bucket-wheel_excavator

    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. What sets them apart from other large-scale mining equipment, such as bucket chain excavators, is ...

  5. Bagger 293 - Wikipedia

    en.wikipedia.org/wiki/Bagger_293

    Bagger 293, previously known as the MAN TAKRAF RB293, is a giant bucket-wheel excavator made by the German industrial company TAKRAF, formerly an East German Kombinat. [3] [4] It owns and shares some records for terrestrial vehicle size in the Guinness Book of Records. Bagger 293 was built in 1995, one of a group of similar sized 'sibling ...

  6. List of largest companies in the United States by revenue

    en.wikipedia.org/wiki/List_of_largest_companies...

    This list comprises the largest companies currently in the United States by revenue as of 2023, according to the Fortune 500 tally of companies and Forbes.. The Fortune 500 list of companies includes only publicly traded companies, also including tax inversion companies.

  7. Excavator - Wikipedia

    en.wikipedia.org/wiki/Excavator

    For example, Caterpillar's smallest mini-excavator weighs 2,060 pounds (930 kg) and has 13 hp; [8] their largest model is the largest excavator available (developed and produced by the Orenstein & Koppel, Germany, until the takeover 2011 by Caterpillar, named »RH400«), the CAT 6090, which weighs in excess of 2,160,510 pounds (979,990 kg), has ...

  8. Crawler excavator - Wikipedia

    en.wikipedia.org/wiki/Crawler_excavator

    Crawler excavator. A crawler excavator, also known as a track-type excavator or tracked excavator, is a type of heavy construction equipment primarily used for excavation and earthmoving tasks. It is characterized by its tracked undercarriage, which provides superior mobility and traction compared to wheeled excavators, especially in soft ...

  9. Comparison of orbital rocket engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_orbital...

    Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [b] Oxidiser: fuel ratio

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