Komatsu teamed up with Siemens for the development of new electric drive systems. The newly developed electric drive system consists of a generator, AC motor, inverter, final gear and other components. The 860E integrates Siemens' leading-edge electric components and Komatsu-developed and manufactured mechanical components, such as the final gear.
A factory installed trolley-cable option is also available for the 860E. Under the trolley system, pantograph-mounted dump trucks receive electric power from the trolley cable extended over their travel routes to drive their AC motors. The trolley system supports high-climbing performance.
Also under this system, dump trucks use electricity generated at the mine instead of electricity generated by their own engines, which can extend their engine life to a great extent and cut down fuel expenses.
Source: Komatsu
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