2016 Doosan DH220-7

Detailed Introduction of Doosan 220-7 Second-hand Excavator This second-hand Doosan 220-7 excavator has a cumulative working time of only 50,000 hours. For a medium-sized excavator, such a usage duration indicates that it is in the golden period of mechanical performance. This machine is equipped with the Cummins 6BTAA engine, which has been tested by the market for a long time. It is a power heart renowned for its high efficiency and reliability, capable of providing strong and stable power output, ensuring good working efficiency under various complex working conditions. Meanwhile, its advanced fuel injection system not only enhances fuel economy but also significantly reduces emission pollution, meeting modern environmental protection requirements. In terms of the hydraulic system, Doosan 220-7 is equipped with advanced negative flow control technology, which can automatically adjust the hydraulic oil flow according to the actual operation requirements, achieving precise control while effectively saving energy consumption. In addition, its unique load sensing system can monitor the changes in the working load in real time and adjust the pump displacement accordingly, ensuring the smooth operation and rapid response of the entire m2025-12-13 14:52:47