利勃海尔LTM1400-7.1起重(zhòng)机具有以下优点：1. 高承载能力：利勃海尔LTM1400-7.1起重(zhòng)机承载能力高达400吨，能满足大部分工(gōng)程项目的(dí)起重(zhòng)需求。2. 长(cháng)臂长(cháng)度：起重(zhòng)机配备了领先行业的(dí)63米长(cháng)臂，可实现更大范围的(dí)起重(zhòng)作业。3. 稳定性高：利勃海尔LTM1400-7.1起重(zhòng)机配备了全球首款单个电机驱动的(dí)8轮K眼字型(xíng)支腿，支腿部分采用新一代设计，使起重(zhòng)机能够在各种复杂的(dí)工(gōng)况下保持稳定。4. 可靠性强：起重(zhòng)机采用了高强度钢材和优质的(dí)液压系统，具有较高的(dí)可靠性和抗风性能。5. 便于移动：起重(zhòng)机具有自驱动功能，可以快速地从一个工(gōng)地移动到另一个工(gōng)地，提高工(gōng)作效率。6. 操作方便：起重(zhòng)机配备了全液晶显示屏的(dí)智能化操作系统，使操作更加方便和精确(què)。7. 多功能性：利勃海尔LTM1400-7.1起重(zhòng)机可以配备各种附属设备和配件，如夹具、吊(diào)具等，可以进行不同类型(xíng)的(dí)起重(zhòng)作业。总之，利勃海尔LTM1400-7.1起重(zhòng)机具有高承载能力、长(cháng)臂长(cháng)度、稳定性高、可靠性强、便于移动、操作方便和多功能性等优点，适用于各类起重(zhòng)作业。

Liebherr LTM1400-7.1 cranes have the following advantages: 1. high load capacity: Liebherr LTM1400-7.1 cranes have a load capacity of up to 400 tons, which can meet the lifting needs of most projects. 2. long boom length: the cranes are equipped with an industry-leading 63-meter long boom, which enables a wider range of lifting operations. 3. high stability: the Liebherr LTM1400-7.1 crane is equipped with the world's first single motor-driven 8-wheeled K-eye outriggers, and the outrigger part adopts a new generation design, which enables the crane to maintain stability under various complicated working conditions. 4. High reliability: the crane adopts high-strength steel and high-quality hydraulic system, which provides high reliability and wind resistance. 5. Convenient to move: the crane is equipped with a self-driven function, which allows it to be quickly move from one site to another to improve work efficiency.6. Easy to operate: the crane is equipped with an intelligent operating system with a full LCD display, which makes the operation more convenient and precise.7. Multifunctionality: Liebherr LTM1400-7.1 cranes can be equipped with a variety of ancillary equipment and accessories, such as clamps, spreaders and so on, which allow them to carry out different types of lifting operations. In a word, Liebherr LTM1400-7.1 crane has the advantages of high load capacity, long boom length, high stability, high reliability, easy to move, easy to operate and multifunctionality, which is suitable for all kinds of lifting operations.