Ursa Major 18/21 – (dragline)
The Ursa Major 18/21 dragline occupies a niche between compact site-specific dredging equipment and the giant continuous-strip mining behemoths. Designed for versatility in surface excavation, the Ursa Major 18/21 is…
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Big Muskie 4250-W – (dragline/legacy)
The Big Muskie 4250-W stands as one of the most iconic and awe-inspiring pieces of heavy equipment ever built. This monumental dragline symbolized a particular era of industrial-scale surface mining,…
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Walking Dragline W2000 – (dragline)
The Walking Dragline W2000 is an industrial-scale excavation machine designed for large surface mining and bulk excavation tasks. Combining a towering boom, a heavy-duty bucket, and a unique walking undercarriage,…
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Ransomes & Rapier W1400 – (dragline)
The Ransomes & Rapier W1400 dragline represents an important example of mid-20th century heavy excavation equipment, combining robust mechanical engineering with the adaptability demanded by mining and large-scale earthmoving projects.…
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Marion 8750 – (dragline)
The Marion 8750 is a legendary example of the large-scale mechanized equipment that transformed surface mining in the mid-20th century. As a walking electric dragline, it combined immense digging power…
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Marion 8200 – (dragline)
The Marion 8200 dragline stands among the most iconic and imposing machines developed for large-scale surface excavation. Designed to move enormous volumes of overburden and to expose valuable seams of…
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P&H 9020C – (dragline)
The P&H 9020C is a heavyweight representative of the class of large-scale cable-operated excavators known as draglines. Built for continuous, high-volume removal of overburden and other surface-material handling tasks, this…
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Bucyrus 1300W – (dragline)
The Bucyrus 1300W dragline is one of the heavy-equipment workhorses designed for large-scale surface mining and earthmoving. Combining a long boom, a large bucket, and electrically driven winches, this machine…
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Bucyrus 2570WS – (dragline)
The Bucyrus 2570WS is a hallmark of heavy-surface mining equipment: a large, purpose-built dragline designed to move tremendous volumes of overburden and ore in open-pit operations. In this article I…
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Bucyrus 8750 – (dragline)
The Bucyrus 8750 is a remarkable example of heavy earthmoving equipment known primarily as a dragline. Built for large-scale surface mining and major civil engineering projects, this machine represents decades…
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