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  2. Trencher (machine) - Wikipedia

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

    A trencher is a piece of construction equipment used to dig trenches, especially for laying pipes or electrical cables, for installing drainage, or in preparation for trench warfare. Trenchers may range in size from walk-behind models, to attachments for a skid loader or tractor, to very heavy tracked heavy equipment.

  3. Heavy equipment - Wikipedia

    en.wikipedia.org/wiki/Heavy_equipment

    Horse-drawn Fresno scraper digging water-supply ditch A portable engine; a precursor to modern engineering vehicles An early gasoline-powered tractor Heavy equipment circa 1922. Until the 19th century and into the early 20th century heavy machines were drawn under human or animal power.

  4. Ditch Witch - Wikipedia

    en.wikipedia.org/wiki/Ditch_Witch

    A 6-inch wide trench with a digging depth of 30 inches was the goal. [4] The first production trencher rolled off the assembly line in 1949. Called the "endless conveyor ditch digging machine," It was the first mechanized, compact service-line trencher developed for laying underground water lines between the street main and the house.

  5. Cultivator No. 6 - Wikipedia

    en.wikipedia.org/wiki/Cultivator_No._6

    Cultivator No. 6 was the code name of a military trench-digging machine developed by the British Royal Navy at the beginning of World War II.The machine was originally known as White Rabbit Number Six; this code name was never officially recognised, but it was said to be derived from Churchill's metaphorical ability to pull ideas out of a hat.

  6. Entrenching tool - Wikipedia

    en.wikipedia.org/wiki/Entrenching_tool

    The Glock Feldspaten (field spade) features a hardened metal spade blade that can be locked in 3 positions for digging, shoveling, and chopping, and a telescopic handle made out of fiberglass-reinforced nylon containing a 175 mm (6.9 in) long hardened metal sawblade. The entrenching tool weighs 650 g (23 oz) and fully extended is 630 mm (25 in ...

  7. Walking excavator - Wikipedia

    en.wikipedia.org/wiki/Walking_Excavator

    The walking excavator's main feature is the ability to move in a crab- or spider-like fashion and hence overcome any terrain obstacle. The undercarriage design varies widely from model to model and between specialized roles. The number of legs or wheels can also vary from three (Menzi Muck 5000T2) to four.