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  2. 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 ...

  3. Excavator - Wikipedia

    en.wikipedia.org/wiki/Excavator

    Most wheeled, compact and some medium-sized (11 to 18-tonne) excavators have a backfill (or dozer) blade. This is a horizontal bulldozer-like blade attached to the undercarriage and is used for leveling and pushing removed material back into a hole.

  4. Caterpillar D9 - Wikipedia

    en.wikipedia.org/wiki/Caterpillar_D9

    The unit featured the same new type of elevated drive sprocket undercarriage as had been introduced on the larger D10 in 1977. [i] The new undercarriage design reduced strain and shock loads on the final drives [2] and gave the "belly pan" more ground clearance. The elevated-drive-sprocket undercarriage is a modular design.

  5. Caterpillar D7 - Wikipedia

    en.wikipedia.org/wiki/Caterpillar_D7

    In 1986 the 215 hp (160 kW) D7H was the first D7 equipped with Caterpillar’s elevated drive sprocket undercarriage. The D7R replaced the D7H in 1996, followed by the D7R Series 2. The electric drive D7E entered service in early 2009, returning to a traditional ‘flat-track’ configuration for this iteration only.

  6. 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

  7. List of John Deere tractors - Wikipedia

    en.wikipedia.org/wiki/List_of_John_Deere_tractors

    John Deere Model 60 (1955) John Deere Model 530 (1959) John Deere Model 430S (circa 1960) After years of testing, Deere & Company released its first proper diesel engined tractor in 1949, the Model R. The R was also the first John Deere tractor with a live independent power take-off (PTO) equipped with its own clutch. The R also incorporated ...

  8. John Deere - Wikipedia

    en.wikipedia.org/wiki/John_Deere

    Deere & Company, doing business as John Deere (/ ˈ dʒ ɒ n ˈ d ɪər /), is an American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains (axles, transmissions, gearboxes) used in heavy equipment and lawn care equipment. It also provides financial services and other related ...

  9. Undercarriage - Wikipedia

    en.wikipedia.org/wiki/Undercarriage

    Undercarriage is the part of a moving vehicle that is underneath the main body of the vehicle. The term originally applied to this part of a horse-drawn carriage , and usage has since broadened to include:

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