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  2. Crawler excavator - Wikipedia

    en.wikipedia.org/wiki/Crawler_excavator

    Bucket Capacity: From less than 1 cubic yard to over 52 cubic yards; Boom Length: Typically 20 to 425 feet, depending on the excavator size; Tracks: Steel, rubber, or a combination for different terrains and applications; Crawler excavators are manufactured by a variety of heavy equipment companies, including Caterpillar, Komatsu, Hitachi ...

  3. 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.

  4. Loader (equipment) - Wikipedia

    en.wikipedia.org/wiki/Loader_(equipment)

    John Deere Front end loaders CAD model tracing of a tractor mounted loader mechanism CAD model tracing of a skid loader mechanism. A loader is a heavy equipment machine used in construction to move or load materials such as soil, rock, sand, demolition debris, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railroad car).

  5. Skid-steer loader - Wikipedia

    en.wikipedia.org/wiki/Skid-steer_loader

    Construction sites and their business contract requirements often call for landscapers to have operational skid steer reverse signal alarms and beacon lights. [ 6 ] The extremely rigid frame and strong wheel bearings prevent the torsional forces caused by this dragging motion from damaging the machine.

  6. Terminal tractor - Wikipedia

    en.wikipedia.org/wiki/Terminal_tractor

    A terminal tractor Terminal tractor at the Port of Dover.. A terminal tractor, known in the United States as a shag truck, shunt truck, spotter truck, spotting tractor, yard truck, yard shifter, yard dog, yard goat, yard horse, yard mule, yard jockey, yard spotter, hostler, or mule, is a kind of semi-tractor intended to move semi-trailers within a cargo yard, warehouse facility, or intermodal ...

  7. Crane (machine) - Wikipedia

    en.wikipedia.org/wiki/Crane_(machine)

    Cranes are commonly employed in transportation for the loading and unloading of freight, in construction for the movement of materials, and in manufacturing for the assembling of heavy equipment. The first known crane machine was the shaduf , a water-lifting device that was invented in ancient Mesopotamia (modern Iraq) and then appeared in ...