小松PC520LC-11M0挖掘机的优点包括：1. 强大的作业能力：搭载了发动机和液压系统，具备强大的动力和提升力，能够顺利完成大型挖掘作业。2. 高效节能：采用了先进的电子控制系统和智能化技术，能够降低燃油消耗，并提高机械效率，实现节能环保。3. 舒适安全：驾驶室采用了人性化设计，配备了舒适的座椅和空调系统，提供良好的操作环境和工作体验。同时，还具备先进的安全装置，确保作业人员的安全。4. 高度可靠：小松是一家世界知名的工程机械制造商，产品质量可靠，经久耐用，具备较长使用寿命。5. 维护方便：机器结构合理，零部件布局合理，易于维修和维护，减少了停工时间和维修成本。6. 多功能配置：可选配各种工作装置，如岩石斗、抓木器等，满足不同工作需求，具备较强的适用性。需要注意的是，以上优点仅为常见优点，具体的优点还需根据具体型号的功能和配置来进行具体评价。

The advantages of the Komatsu PC520LC-11M0 excavator include:1. Powerful operating capacity: equipped with an engine and hydraulic system, it has strong power and lifting force, and is capable of successfully completing large-scale excavation operations.2. High efficiency and energy-saving: adopting an advanced electronic control system and intelligent technology, it can reduce fuel consumption and improve mechanical efficiency, realizing energy saving and environmental protection.3. Comfortable and safe: the cab Adopting humanized design, it is equipped with comfortable seats and air-conditioning system to provide a good operating environment and working experience. It is also equipped with advanced safety devices to ensure the safety of operators.4. Highly Reliable: Komatsu is a world-renowned construction machinery manufacturer, with reliable and durable product quality and long service life.5. Convenient Maintenance: The machine structure is reasonable, and the layout of parts and components is rational, which makes it easy to repair and maintain, and reduces the downtime and maintenance costs.6. Multi-functional Configuration: Various work devices can be equipped as options The machine can be equipped with a variety of working devices, such as rock bucket, wood grabber, etc., to meet different work requirements, with strong applicability. It should be noted that the above advantages are only common advantages, the specific advantages also need to be based on the function and configuration of the specific model for specific evaluation.