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  2. Excavator - Wikipedia

    en.wikipedia.org/wiki/Excavator

    Hydraulic excavator controls illustration, color of the control matches the moving part. There are two main types of control configuration used in excavators to control the boom and bucket, each distributing the four primary digging functions across two x-y joysticks. This allows a skilled operator to control all four functions simultaneously.

  3. Hydraulic machinery - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_machinery

    A simple open center hydraulic circuit. An excavator; main hydraulics: Boom cylinders, swing drive, cooler fan, and trackdrive Fundamental features of using hydraulics compared to mechanics for force and torque increase/decrease in a transmission. Hydraulic machines use liquid fluid power to perform work. Heavy construction vehicles are a ...

  4. Compact excavator - Wikipedia

    en.wikipedia.org/wiki/Compact_excavator

    The workgroup of a compact hydraulic excavator consists of the boom, dipper or arm, and attachment (e.g. auger, bucket or breaker). It is connected to the front of the excavator's house structure via a swing frame that allows the workgroup to be hydraulically pivoted left or right to achieve offset digging for trenching parallel with the tracks.

  5. Steam shovel - Wikipedia

    en.wikipedia.org/wiki/Steam_shovel

    Otis excavator. 1841. Grimshaw of Boulton & Watt devised the first steam-powered excavator in 1796. [1] In 1833 William Brunton patented another steam-powered excavator which he provided further details on in 1836. [2] [3] The steam shovel was invented by William Otis, who received a patent for his design in 1839. The first machines were known ...

  6. Ruston-Bucyrus - Wikipedia

    en.wikipedia.org/wiki/Ruston-Bucyrus

    From 1985 onwards, all new machines carried the 'RB' name instead of 'Ruston-Bucyrus', and in 1987, a new mechanical/hydraulic powered 51–60 model developed from the 38-RB was offered for use as a crane or dragline excavator [1] In 1990, RB bought from its rival Priestman, the design and manufacturing rights to Priestman's Variable ...

  7. Wacker Neuson - Wikipedia

    en.wikipedia.org/wiki/Wacker_Neuson

    Based in Linz, the company initially developed hydraulic mini-excavators. Neuson Baumaschinen GmbH was established in 1990. Dumper manufacturer Lifton Ltd. (GB) was acquired in 1998, and skid-steer loaders were added to the product range in 2004. Neuson and Kramer merged in 2001.

  8. Hydraulic cylinder - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_cylinder

    A hydraulic cylinder is the actuator or "motor" side of this system. The "generator" side of the hydraulic system is the hydraulic pump which delivers a fixed or regulated flow of oil to the hydraulic cylinder, to move the piston. There are three types of pump widely used: hydraulic hand pump, hydraulic air pump, and hydraulic electric pump.

  9. Long reach excavator - Wikipedia

    en.wikipedia.org/wiki/Long_reach_excavator

    During the 1970s, Land & Water operated the UK's first hire fleet of these new and innovative long reach hydraulic excavators. In fact they still operate the largest fleet of long-reaches in the UK. Land & Water's first long reach excavator was the Hymac 580 BT All Hydraulic 360 “Waterway” machine, designed for work on waterways. [1]

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