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  2. Excavator - Wikipedia

    en.wikipedia.org/wiki/Excavator

    The three main sections of an excavator are the undercarriage, the house and the arm. The boom, the front part that is attached to the cab itself and holds the arm, is also used. The undercarriage includes tracks, track frame, and final drives, which have a hydraulic motor and gearing providing

  3. Crawler excavator - Wikipedia

    en.wikipedia.org/wiki/Crawler_excavator

    John Deere 135P excavator with rubber tracked treads. 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 ...

  4. Power shovel - Wikipedia

    en.wikipedia.org/wiki/Power_shovel

    Power shovels are a type of rope/cable excavator, where the digging arm is controlled and powered by winches and steel ropes, rather than hydraulics like in the modern hydraulic excavators. Basic parts of a power shovel include the track system, cabin, cables, rack, stick, boom foot-pin, saddle block, boom, boom point sheaves and bucket.

  5. Continuous track - Wikipedia

    en.wikipedia.org/wiki/Continuous_track

    Continuous tracks on a bulldozer A dump truck with continuous track wheels crosses a river and dumps its load in Kanagawa, Japan. An agricultural tractor with rubber tracks, mitigating soil compaction A Russian tracked vehicle designed to operate on snow and swamps A British Army Challenger 1 tank

  6. Backhoe - Wikipedia

    en.wikipedia.org/wiki/Backhoe

    Excavator digging in Tokyo, Japan Kobelco Excavator in shovel configuration. The term "backhoe" refers to the action of the bucket, not its location on the vehicle. [2] That is, a backhoe digs by drawing earth backwards, rather than lifting it with a forward motion like a person shovelling, a steam shovel, or a bulldozer. The buckets on some ...

  7. 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.

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