A SANY 21.5 ton medium excavator SY215C used for quarrying in America. With a dual-pump, dual-circuit constant power control system, the Mitsubishi 6D34-TL engine develops its power to a maximum driving force. The heavy equipment machinery’s real-time monitoring and auto-adjustment on the system conditions can ensure the engine not overload when the machine works with full load.
The mechanical digger’s advanced computer dynamic control technology provides real-time match between engine power and main pump power. Also the four working mode, heavy duty mode, standard mode, light duty mode, and break mode, maximize the fuel economy.
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