These haul trucks, capable of hauling payloads of 205 tons, are the first Bucyrus trucks delivered in the United States since the company’s acquisition of Terex Mining in early 2010, and are the first to be painted in Bucyrus branding. This delivery will bring the Mesquite mine’s fleet to a total of 16 Bucyrus MT3700AC haul trucks. The trucks are powered by an MTU 16V4000 2,500-hp engine, and are electrically driven by a GE AC drive. The uphill loaded speeds are substantially improved over mechanical and DC-powered trucks, providing a improved productivity, according to Bucyrus.

The company also said that haul truck operators are impressed by the smooth, comfortable ride, and the ease of operation. The tight turning radius is also a plus in crowded loading areas and during load dumps. Maintenance technicians like the simplicity and accessibility of the hydraulic, electrical and suspension systems, which facilitates quick and easy maintenance. The absence of pneumatics is also well received.
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