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2. 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.

3. Bucket-wheel excavator - Wikipedia

   en.wikipedia.org/wiki/Bucket-wheel_excavator

   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.

4. Excavator - Wikipedia

   en.wikipedia.org/wiki/Excavator

   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 ] The modern excavator's house sits atop an undercarriage with tracks or wheels , being an evolution of the steam shovel (which itself evolved into the power shovel when steam was ...

5. Bucket (machine part) - Wikipedia

   en.wikipedia.org/wiki/Bucket_(machine_part)

   Excavator buckets are made of solid steel and generally present teeth protruding from the cutting edge, to disrupt hard material and avoid wear-and-tear of the bucket. Subsets of the excavator bucket are: the ditching bucket, trenching bucket, A ditching bucket is a wider bucket with no teeth, 5–6 feet (1.52–1.83 m) used for excavating ...

6. Bucket chain excavator - Wikipedia

   en.wikipedia.org/wiki/Bucket_chain_excavator

   The superstructure of a bucket chain excavator is similar to that of a bucket wheel excavator. The primary component of bucket chain excavators is the bucket ladder and the bucket-chain. Unlike the buckets on a BWE, the buckets on the chain face downwards, allowing the machine to remove overburden or materials significantly below the bench or ...

7. 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 ...