日立ZX130-6A国四挖掘机具有以下优点：1. 高效节能：采用国四发动机，具有低油耗、高动力和低噪音的特点，有效提高工作效率和降低能源消耗。2. 稳定性强：采用全新的底盘结构设计，提供更加稳定的工作平台，保证挖掘机在不同工况下的稳定性和安全性。3. 操作便捷：配备人性化的操作系统，提供简洁明了的控制面板和轻便灵活的操纵杆，使操作更加方便快捷。4. 低维护成本：采用可靠耐用的零部件和先进的液压系统，延长挖掘机的使用寿命，减少维修和维护的次数和成本。5. 高准确性：配备精准的液压系统和先进的控制技术，确保挖掘机在工作过程中能够精确操作，准确控制。6. 舒适性良好：采用人性化的设计，提供宽敞舒适的驾驶室和可调节的座椅，为操作人员提供舒适的工作环境。总体而言，日立ZX130-6A国四挖掘机具有高效节能、稳定性强、操作便捷、低维护成本、高准确性和舒适性良好等优点，适用于各种工况下的挖掘作业。

Hitachi ZX130-6A national four excavator has the following advantages: 1. high efficiency and energy saving: adopting national four engine, it has the characteristics of low fuel consumption, high power and low noise, which effectively improves the working efficiency and reduces the energy consumption. 2. high stability: adopting the new design of chassis structure, it provides a more stable working platform, which ensures the stability and safety of the excavator in different working conditions. 3. convenient operation: it is equipped with Humanized operating system, providing simple and clear control panel and lightweight and flexible joystick, which makes the operation more convenient and fast. 4. Low maintenance cost: Adopting reliable and durable parts and advanced hydraulic system, which prolongs the service life of the excavator, and reduces the number and cost of repair and maintenance. 5. High accuracy: Equipped with precise hydraulic system and advanced control technology, which ensures the excavator can be precisely operated and accurately controlled in the working process. 6. precisely operated and accurately controlled. 6. Good Comfort: Adopting humanized design, it provides spacious and comfortable cab and adjustable seat, which provides a comfortable working environment for operators. Overall, Hitachi ZX130-6A National 4 excavator has the advantages of high efficiency and energy saving, strong stability, convenient operation, low maintenance cost, high accuracy and good comfort, which is suitable for excavating operations under various working conditions.