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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CRCHI Slurry TBM 16m – (tunneling)
The CRCHI Slurry TBM 16m represents a class of large-diameter, slurry-shield tunnel boring machines designed to excavate in soft, water-bearing and mixed ground conditions where ground control and face pressure…
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Herrenknecht Mixshield S-1200 – (tunneling)
The Herrenknecht Mixshield S-1200 is a specialized tunneling solution designed for challenging subsurface conditions where mixed-face geology and groundwater presence require a versatile and reliable approach. Combining features of different…
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Robbins Crossover XRE TBM – (tunneling)
The following article explores the Robbins Crossover XRE TBM — a tunneling machine concept tailored for challenging, variable ground conditions. It describes the machine’s design philosophy, typical applications, operational behavior,…
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Lovat M-Series TBM – (tunneling)
The Lovat M-Series TBM represents a family of modern tunnel boring machines designed to meet the diverse demands of contemporary tunneling projects. Combining modular engineering, advanced cutting and excavation systems,…
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Mitsubishi TBM S-700 – (tunneling)
The Mitsubishi TBM S-700 is a modern tunnel boring machine designed to meet the complex demands of contemporary underground construction. Combining robust mechanical components with advanced control and monitoring systems,…
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