SSAB has developed a new design for a free-hanging dumper body. The body can handle a higher load capacity, but weighs only half as much as its traditional counterpart.
Its prototype body for an articulated dump truck is made of Hardox 450. The U-shaped free-hanging dumper body design takes maximum advantage of the properties of the steel for a wear-resistant and impact-resistant product.
The prototype has been tested since 2008 in a road construction project in Sweden. The dumper body has been in operation for a total of 820 hours and transported over 86,000 tons of rock.
The trial results show that load capacity increased by about 9%; the reduced weight also results in less wear on the engine and drive trains.
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