柳工965EHDG4国四挖掘机的优点包括：1. 强大的动力性能：柳工965EHDG4国四挖掘机采用了高功率发动机，具有出色的动力输出，能够应对各种工作条件和复杂的施工环境，并提高工作效率。2. 灵活的操作能力：该挖掘机采用了全新的液压系统，具有精确的控制能力，操作灵活方便。操纵杆和脚踏板的布置合理，可大幅度降低操作员的疲劳程度。3. 高效的施工性能：柳工965EHDG4国四挖掘机采用了新一代优化的斗杆和斗杆油缸，具有更大的施工力矩和挖掘力，提高了挖掘的效率和效果。4. 舒适的驾驶室：柳工965EHDG4国四挖掘机驾驶室采用了人性化设计，具有宽敞的空间和良好的视野，减少了噪音和震动，提供了舒适的工作环境。5. 高效的燃油经济性：柳工965EHDG4国四挖掘机采用了先进的能量管理系统，有效降低了燃油消耗，提高了经济性。6. 安全可靠：柳工965EHDG4国四挖掘机具有完善的安全保护装置，如防滚架、自动灭火系统等，有效提高了操作员和机器的安全性。7. 易于维护和保养：该挖掘机采用了模块化设计，易于维修和更换零部件，大大缩短了维修时间和成本。总体来说，柳工965EHDG4国四挖掘机具有强大的动力性能、灵活的操作能力、高效的施工性能、舒适的驾驶室、高效的燃油经济性、安全可靠以及易于维护和保养等优点，非常适合各类挖掘作业。

The advantages of LiuGong 965EHDG4 National 4 Excavator include: 1. Powerful power performance: LiuGong 965EHDG4 National 4 Excavator adopts a high power engine with excellent power output, which can cope with various working conditions and complex construction environment, and improve the working efficiency. 2. Flexible operation ability: this excavator adopts a new hydraulic system with precise control ability, and the operation is Flexible and convenient operation. The reasonable arrangement of the joystick and foot pedal can greatly reduce the operator's fatigue.3. High-efficiency construction performance: LiuGong 965EHDG4 excavator adopts a new generation of optimized bucket bar and bucket cylinder, which has a larger construction torque and digging force, and improves the efficiency and effect of digging.4. Comfortable cab: The cab of LiuGong 965EHDG4 excavator adopts humanized design, with spacious space and high efficiency. design, with spacious space and good visibility, reducing noise and vibration, and providing a comfortable working environment.5. Efficient Fuel Economy: LiuGong 965EHDG4 national four excavator adopts advanced energy management system, which effectively reduces the fuel consumption and improves the economy.6. Safe and Reliable: LiuGong 965EHDG4 national four excavator has perfect safety protection devices such as anti-roll bar, automatic fire extinguishing system, etc. The excavator is also equipped with a high speed and high efficiency. rolling frame, automatic fire extinguishing system, etc., which effectively improves the safety of the operator and the machine.7. Easy to maintain and repair: the excavator adopts a modular design, which is easy to repair and replace the parts, greatly reducing the maintenance time and cost. Overall, LiuGong 965EHDG4 National 4 Excavator has the advantages of powerful power performance, flexible operation ability, efficient construction performance, comfortable cab, efficient fuel economy, safe and reliable, as well as easy maintenance and repair, which is very suitable for all kinds of excavation work.