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As BWEs, the Type SRs 8000s are all externally powered by a nearby coal production plant with an internal 6,413 kW (8,600 hp) powered electric motor to keep the machine operating smoothly. On average, all Baggers require a total output 16.56 MW (22,207 hp) of power to function with all-systems running.
Rating on A.C. motors – 13,500 hp (10.1 MW) peak Entire operation of the shovel was controlled by two hand levers and a pair of foot pedals. Dug 315,000 lb (143 metric tons) of earth in a single bite, swung 180°, and deposited the load up to 390 ft (119 m) away from the digging points at heights up to 140 ft (42.5 m).
Bucket-wheel excavators have been used in mining for the past century, with some of the first being manufactured in the 1920s. [1] They are used in conjunction with many other pieces of mining machinery ( conveyor belts , spreaders , crushing stations , heap-leach systems , etc.) to move and mine massive amounts of overburden (waste).
The largest BCE model currently known is the Takraf Type Es 3750, with a length of over 130 meters, a height of around 40 meters and a weight of 5,118 t (11,300,000 lb) [6] Nevertheless, bucket chain excavators are usually smaller than bucket wheel excavators, dragline excavators or conveyor bridges due to the limitations of excavating ...
Bagger 288 (Excavator 288), previously known as the MAN TAKRAF RB288 [2] built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. When its construction was completed in 1978, Bagger 288 superseded Big Muskie as the heaviest land vehicle in the world, at 13,500 tons. [3]
For example, Caterpillar's smallest mini-excavator weighs 2,060 pounds (930 kg) and has 13 hp; [8] their largest model is the largest excavator available (developed and produced by the Orenstein & Koppel, Germany, until the takeover 2011 by Caterpillar, named »RH400«), the CAT 6090, which weighs in excess of 2,160,510 pounds (979,990 kg), has ...
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The Big Muskie was a model 4250-W dragline and was the only one ever built by the Bucyrus-Erie company. [1] With a 220-cubic-yard (170 m 3) bucket, it was the largest single-bucket digging machine ever created and one of the world's largest mobile earth-moving machines alongside the Illinois-based Marion 6360 stripping shovel called The Captain and the German bucket wheel excavators of the ...