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  2. Bucket-wheel excavator - Wikipedia

    en.wikipedia.org/wiki/Bucket-wheel_excavator

    In the 1950s two German mining firms ordered the world's first extremely large BWEs, and had three BWEs built for mining lignite near Cologne, Germany. The German BWEs had a wheel of over 16 m (52 ft) in diameter, weighed 5,500 short tons (5,000 t) and were over 180 m (600 ft) long, with eighteen crawler units for movement and could cut a swath ...

  3. Bucket chain excavator - Wikipedia

    en.wikipedia.org/wiki/Bucket_chain_excavator

    A bucket chain excavator (BCE) is a piece of heavy equipment used in surface mining and dredging. BCEs use buckets on a revolving chain to remove large quantities of material. They are similar to bucket-wheel excavators and trenchers. Bucket chain excavators remove material from below their plane of movement, which is useful if the pit floor is ...

  4. Bulldozer - Wikipedia

    en.wikipedia.org/wiki/Bulldozer

    The word "bulldozer" refers only to a motorized unit fitted with a blade designed for pushing. The word is sometimes used inaccurately for other heavy equipment such as a front-end loader designed for carrying rather than pushing material. The term originally referred only to the blade attachment but is now commonly applied to any crawler ...

  5. Conveyor bridge - Wikipedia

    en.wikipedia.org/wiki/Conveyor_bridge

    A conveyor bridge is a piece of mining equipment used in strip mining for the removal of overburden and for dumping it on the inner spoil bank of the open-cut mine. It is used together with multibucket excavators, frequently bucket chain excavators , that remove the overburden which is moved to the bridge by connecting conveyors.

  6. Category:Mining equipment - Wikipedia

    en.wikipedia.org/wiki/Category:Mining_equipment

    Download QR code; Print/export Download as PDF; ... Category: Mining equipment. 19 languages ...

  7. Dragline excavator - Wikipedia

    en.wikipedia.org/wiki/Dragline_excavator

    After WWI, demand for excavators increased and in 1924 they reached an agreement to build Marion draglines from 1 to 8 cubic yards capacity. In 1927, they built Type-7 1-yard and Type-460 1.5-yard models. The deal to build Marion machines ended in 1936. R&R began building their own designs with the Type-4120 followed by the 4140 of 3.5 cubic yards.

  8. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.

  9. Haul truck - Wikipedia

    en.wikipedia.org/wiki/Haul_truck

    The WABCO 3200 was a rare example of a tri-axle haul truck configuration A medium sized haul truck, the 214-short-ton (194 t; 191-long-ton) Caterpillar 789 [1]. Most haul trucks have a two-axle design, but two well-known models from the 1970s, the 350T Terex Titan and 235T WABCO 3200/B, had three axles.