柳工956EHDG4国四挖掘机(jī)的(dí)优点包括：1. 强(qiáng)大耐用的(dí)发动机(jī)：采用优质的(dí)国内知名品牌发动机(jī)，功率强(qiáng)劲，扭矩大，能够适应各种工况和(hé)作业要求。2. 高效的(dí)工作性能：具有独特的(dí)液力变矩器和(hé)行走系统，能够提供强(qiáng)大的(dí)牵引力和(hé)切割力，快速稳(wěn)定地进行各种作业。3. 全新的(dí)液压系统：采用先进的(dí)液压技术，具有高效节能、稳(wěn)定可靠的(dí)特点，提供更高的(dí)工作效率和(hé)精确的(dí)操控性能。4. 宽敞舒适的(dí)驾驶室：驾驶室设计人性化，视野开阔，座椅舒适，噪音低，空调系统高效，使操作员能够在长时间作业中得到良好的(dí)工作体验。5. 安全可靠的(dí)结构设计：机(jī)身结构坚(jiān)固稳(wěn)定，具有良好的(dí)抗冲击和(hé)承载能力，操控系统灵活可靠，能够在各种工况下保证操作员的(dí)安全。6. 易于维护和(hé)维修：开放式的(dí)维护空间和(hé)易拆卸的(dí)部件设计，方便操作员进行日常维护和(hé)维修，缩短停机(jī)时间，提高作业效率。7. 多种配件和(hé)配置选择：可根据作业需求选择不同的(dí)工作装置、斗容和(hé)其他附件，以适应不同的(dí)施工环境和(hé)作业要求。综(zōng)上所述，柳工956EHDG4国四挖掘机(jī)在发动机(jī)、工作性能、液压系统、驾驶室、安全性、维护性和(hé)配置选择等方面都具备优越的(dí)特点，能够满足各种挖掘作业的(dí)需求。

The advantages of LiuGong 956EHDG4 national four excavator include:1. Powerful and durable engine: adopting high-quality domestic famous brand engine, it has strong power and high torque, which can adapt to a variety of working conditions and operational requirements.2. Efficient working performance: with unique torque converter and travel system, it can provide strong traction and cutting force, and carry out a variety of operations quickly and stably.3. New hydraulic System: Adopting advanced hydraulic technology with high efficiency and energy-saving, stable and reliable features, it provides higher working efficiency and precise maneuvering performance. 4. Spacious and comfortable cab: With humanized cab design, wide field of vision, comfortable seats, low noise, and efficient air-conditioning system, it enables the operator to have a good working experience during long-time operation. 5. Safe and reliable structural design: With solid and stable structure of the body, it has good impact and shock resistance, and is able to work quickly and stably. 6. The body structure is strong and stable, with good impact resistance and loading capacity, and the control system is flexible and reliable, which can ensure the safety of the operator under various working conditions. 6. Easy maintenance and repair: The open maintenance space and easy-to-dismantle parts design are convenient for the operator to carry out daily maintenance and repair, shorten the downtime and improve the working efficiency. 7. Various accessories and configurations to choose from: You can choose different working devices, bucket capacity and other accessories to meet different construction requirements. 8. Other accessories can be selected according to the operation requirements, so as to adapt to different construction environments and operation requirements. To summarize, LiuGong 956EHDG4 national four excavator has superior features in engine, working performance, hydraulic system, cab, safety, maintenance and configuration options, etc., which can meet the needs of various excavation operations.