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Ｗ４－６０Ｃ型液压挖掘机的工作装置采用手柄人力操纵，影响挖掘机作业率的正常发挥和作业的稳定性。运用液压伺服操纵技术，把工作装置原手柄操纵改为液压伺服操纵，大大减小操作力，使挖掘机操作更灵活、轻便，提高了作业效率。
W4-60C hydraulic excavator work device using the handle human control, affecting the normal operation of the excavator rate and job stability. The use of hydraulic servo steering technology, the original operating handle hydraulic device to the hydraulic servo control, greatly reducing the operating force, the excavator operation more flexible and lightweight, improve work efficiency.