日立EX1200-7挖掘机的优点包括：1. 强大的工作能力：EX1200-7挖掘机配备了高压大扭矩水冷涡轮增压引擎和全新设计的油路系统，使其具有优秀的挖掘力和卸载能力。2. 稳定的操作性能：该机型采用了日立独有的HITACHI GXPM系统，具有流线型设计和新型控制器，可以实现平稳和精确的操作。3. 高效的燃油经济性：EX1200-7挖掘机采用先进的技术和节能设计，能够在同类机型中达到更低的燃油消耗，提高工作效率和经济性。4. 舒适的驾驶室设计：驾驶室配备了舒适的座椅、可调节的操纵杆和多功能显示屏，提供了良好的操作环境和人性化的驾驶体验。5. 先进的安全性能：EX1200-7挖掘机具有多重安全系统，包括失速保护、排气后处理装置等，有效保护操作员和机器的安全。6. 便捷的维护性能：机器设计考虑到维护人员的便捷性，包括集中的维护点、易于拆卸和更换的零部件等，提高了维护效率和降低了维护成本。总之，日立EX1200-7挖掘机具备强大的工作能力、稳定的操作性能、高效的燃油经济性、舒适的驾驶室设计、先进的安全性能和便捷的维护性能等优点，使其成为一款受欢迎的挖掘机型号。

Advantages of the Hitachi EX1200-7 Excavator include:1. Powerful working capacity: the EX1200-7 Excavator is equipped with a high-pressure, high-torque water-cooled turbocharged engine and a newly designed oil circuit system, which gives it excellent digging force and unloading capacity.2. Stable operating performance: the model adopts Hitachi's exclusive HITACHI GXPM system with a streamlined design and a new type of controller for smooth and precise operation.3. Efficient Fuel Economy: The EX1200-7 excavator adopts advanced technology and energy-saving design to achieve lower fuel consumption among similar models, improving efficiency and economy.4. Comfortable Cab Design: The cab is equipped with comfortable seats, adjustable joysticks, and multifunctional displays, which provide a good operating environment and a humanized driving experience.5. Advanced safety performance: EX1200-7 excavator is equipped with multiple safety systems, including stall protection, exhaust after-treatment device, etc., which effectively protects the operator and the machine. 6. Convenient maintenance performance: the machine design takes into account the convenience of maintenance personnel, including centralized maintenance points, easy to remove and replace parts, etc., which improves the maintenance efficiency and reduces the maintenance cost. 7. Costs. All in all, Hitachi EX1200-7 excavator has the advantages of powerful working capacity, stable operation performance, efficient fuel economy, comfortable cab design, advanced safety performance and convenient maintenance performance, which makes it a popular excavator model.