walking dragline


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Related to walking dragline: Dragline crane

walking dragline

[′wȯk·iŋ ′drag‚līn]
(mechanical engineering)
A large-capacity dragline built with moving feet; disks 20 feet (6 meters) in diameter support the excavator while working.
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References in periodicals archive ?
For many years it was the biggest walking dragline excavator in Europe.
The addition of the walking dragline allowed Usibelli to ramp up production in the 1980s and is an integral part of today's operations, Brophy says.
The new facility will also provide capacity for the welding and machining of large walking dragline components should they be required to meet market demand.
It has trucks with a 150-ton capacity and a walking dragline - the largest land-based machine in Alaska - with a bucket that holds 33 cubic yards of material.
Big Muskie, known as the "largest walking dragline in the world," moved more than 483 million cubic yards of rock and earth between 1969 and 1991 while operated by AEP's Central Ohio Coal Company.
Big Muskie -- the world's largest walking dragline -- was sidelined by more efficient mining methods and technology, changing environmental regulations and less demand for Ohio coal.
Bucyrus is a global leader in the design and manufacture of walking draglines, electric rope mining shovels and rotary blasthole drills used by the world's surface mining industry.
Bucyrus International has built heavy excavating machinery for over a hundred years: it began in 1880 building equipment and became the leading supplier of draglines, shovels and drills for the mining industry, purchasing competitors and today building about 90 percent of the walking draglines in existence.
designs, manufactures and markets walking draglines, electric mining shovels and rotary blasthole drills used throughout the world for the surface mining of copper, coal, oil sands, iron ore and other minerals.