![]() ![]() model 824H front end loader for size comparison. The Bagger 288 bucket-wheel excavator, beside a Caterpillar Inc. It has a minimum turning radius of approximately 50 metres, and can climb a maximum gradient of 1:18 (5° incline). ![]() The large surface area of the tracks means the ground pressure of the Bagger 288 is very small (1.71 bar or 24.8 psi) this allows the excavator to travel over gravel, earth and even grass without leaving a significant track. The chassis of the main section is 46 m (151 ft) wide and sits on 3 rows of 4 caterpillar track assemblies, each 3.8 m (12 ft) wide. The Bagger's operation requires 16.56 megawatts of externally supplied electricity. The excavator is up to 220 m (721 ft) long (slightly shorter than Baggers 287 and 293) and approximately 96 m (315 feet) high. The coal produced in one day fills 2400 coal wagons. It can excavate 240,000 tons of coal or 240,000 cubic metres of overburden daily – the equivalent of a soccer field dug to 30 m (98 ft) deep. The Bagger 288 was built for the job of removing overburden before coal mining at the Hambach surface mine in Germany. NASA's Crawler-Transporter remains the largest self-propelled land vehicle in the world, since bucket-wheel excavators are powered by an external power source, and the Overburden Conveyor Bridge F60s hold the title of largest land vehicle of any type by physical dimensions. In 1995, it was itself superseded by the slightly heavier Bagger 293 (14,200 tons). It took five years to design and manufacture and five years to assemble, with total cost reaching $100 million. When its construction was completed in 1978, Bagger 288 superseded Big Muskie as the heaviest land vehicle in the world, at 13,500 tons. Bucket wheel excavator built by the German company Krupp Bagger 288ġ6.56 megawatts of externally supplied electricityĢ to 10 m (6.6 to 32.8 ft) per minute (0.1 to 0.6 km/h)Ģ1 m (70.1 ft) in diameter, 18 buckets each holding 8.6 cubic yards (6.6 m 3) or 7.2 short tons (6.5 t)īagger 288 (Excavator 288), built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. ![]()
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