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Excavators are heavy construction equipment primarily consisting of a boom, dipper (or stick), bucket, and cab on a rotating platform known as the "house" [1] - although the largest form ever, the dragline excavator, eliminated the dipper in favor of a line and winch. The modern excavator's house sits atop an undercarriage with tracks or wheels ...
A bucket-wheel excavator (BWE) is a large heavy equipment machine used in surface mining. Their primary function is that of a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day. What sets them apart from other large-scale mining equipment, such as bucket chain excavators, is ...
Left hand forward = Main Boom down. Left hand back = Main Boom up. Right hand left = Bucket curl in (closed) Right hand right = Bucket curl out (dump) Right hand forward = Stick Boom (Dipper) away. Right hand back = Stick Boom (Dipper) close. Some excavators have the possibility to change the operating mode from SAE to ISO and from ISO to SAE.
Compact excavator. A Bobcat compact excavator. A compact or mini excavator is a tracked or wheeled vehicle with an approximate operating weight from 0.7 to 8.5 tonnes. [1] It generally includes a standard backfill blade and features independent boom swing. Hydraulic excavators are somewhat different from other construction equipment in that all ...
Steam shovel. A Marion Power Shovel Company steam shovel excavating the Panama Canal in 1908. A steam shovel is a large steam-powered excavating machine designed for lifting and moving material such as rock and soil. It is the earliest type of power shovel or excavator. [citation needed]
Crawler excavator. 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 excavators, especially in soft ...
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A backhoe[a] is a type of excavating equipment, or excavator, consisting of a digging bucket on the end of a two-part articulated arm. It is typically mounted on the back of a tractor or front loader, the latter forming a "backhoe loader" (a US term, but known as a "JCB" in Ireland and the UK). [1] The section of the arm closest to the vehicle ...
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