利勃海尔LTM1450-8.1起重机具有以下优点：1. 高承载能力：该起重机最大起重能力达到了450吨，能够应对各种重型起重任务，包括搭建大型建筑物、安装重型设备等。2. 大作业范围：LTM1450-8.1起重机配备了80米长的主臂和63米长的延伸臂，使得它可以覆盖广泛的作业范围，并能够在较远的距离上进行高效作业。3. 可变的系统配置：起重机可以根据工地的需要进行多种系统配置，包括配备不同长度的延伸臂、完备的配重和便携式挂篮等，以满足不同的起重需求。4. 先进的技术：LTM1450-8.1起重机采用了先进的液压系统和电子控制系统，具备精确的运动控制和高度自动化的操作功能，提高了操作的安全性和效率。5. 优秀的移动性能：该起重机采用全轮驱动和全轮转向设计，可以在狭小的工地空间内自由移动，灵活适应各种复杂的工地环境。6. 高级安全功能：起重机配备了智能监控系统和防倾倒监测装置，能够实时监测起重机状态，并根据需要自动调整工作参数，保障了操作人员的安全和起重机的稳定性。总之，利勃海尔LTM1450-8.1起重机具有承载能力强、作业范围广、系统配置灵活、安全性高等优点，是一款高性能的大型起重机。

Liebherr LTM1450-8.1 crane has the following advantages: 1. high load capacity: the crane has a maximum lifting capacity of 450 tons, which can cope with a variety of heavy lifting tasks, including the erection of large-scale buildings and the installation of heavy equipment, etc. 2. large operating range: the LTM1450-8.1 crane is equipped with an 80-meter main boom and a 63-meter extension boom, which allows it to cover a wide operating range and be able to work efficiently over long distances.3. Variable system configurations: The crane can be equipped with a variety of system configurations according to the needs of the site, including an extension boom of different lengths, complete counterweights and portable hanging baskets, etc., in order to meet different lifting needs.4. Advanced technology: The LTM1450-8.1 crane is equipped with an advanced hydraulic system and an electronic control system with precise motion control and highly automated operation functions, which improves the safety and efficiency of operation. 5. Excellent mobility performance: the crane is designed with all-wheel drive and all-wheel steering, which allows the crane to move freely in the narrow construction site space, and flexibly adapt to a variety of complex construction site environments. 6. Advanced safety features: the crane is equipped with an intelligent monitoring system and an anti-dumping monitor, which is able to real-time monitoring of the crane status, and automatically adjust the working parameters as needed, to protect the safety of the operator and the stability of the crane. All in all, Liebherr LTM1450-8.1 crane has the advantages of strong load carrying capacity, wide operating range, flexible system configuration, high safety and so on, it is a high-performance large crane.