利勃海(hǎi)尔(ěr)LR1400/2起(qǐ)重机有以下优点：1. 高起(qǐ)重能力：利勃海(hǎi)尔(ěr)LR1400/2起(qǐ)重机具有最大起(qǐ)重能力达到400吨的特点，适(shì)用于各种大型工程项目。2. 多功能性：该起(qǐ)重机可(kě)以搭载不同类型的附件和(hé)配件，如钢丝绳吊具、抓斗、破碎锤等，可(kě)以适(shì)应不同的工作需求。3. 长臂设计：利勃海(hǎi)尔(ěr)LR1400/2起(qǐ)重机的臂长可(kě)达到约167米，可(kě)以覆盖较大的工作范围。4. 强大的动力系统：该起(qǐ)重机采用了高性能的液压传动系统和(hé)电动机，可(kě)提供稳定和(hé)可(kě)靠的动力。5. 先进的操作控制系统：利勃海(hǎi)尔(ěr)LR1400/2起(qǐ)重机配备了先进的电子控制系统，操作简便、准确，提高了工作效率和(hé)安全性。6. 高度可(kě)调节性：该起(qǐ)重机具有可(kě)调节的支腿和(hé)护墙板，可(kě)以适(shì)应不同几何形状的工作场地。7. 先进的安全性能：利勃海(hǎi)尔(ěr)LR1400/2起(qǐ)重机配备了各种安全装置，如载荷限制器(qì)、倾覆保护装置等，确保操作安全。

Liebherr LR1400/2 cranes have the following advantages:1. High lifting capacity: Liebherr LR1400/2 cranes feature a maximum lifting capacity of up to 400 tons, which is suitable for a variety of large-scale projects.2. Versatility: The crane can carry different types of attachments and accessories, such as wire rope spreaders, grabs, crushing hammers and so on, which can be adapted to different working requirements.3. Long boom design: the boom length of Liebherr LR1400/2 crane can reach about 167 meters, which can cover a large working range. 4. Powerful power system: the crane adopts high-performance hydraulic transmission system and electric motor, which can provide stable and reliable power. 5. Advanced operation and control system: Liebherr LR1400/2 crane is equipped with advanced electronic control system, which makes operation simple and accurate, which improves working efficiency and safety.6. Height adjustability: the crane has adjustable outriggers and siding, which can be adapted to work sites with different geometries.7. Advanced safety performance: Liebherr LR1400/2 cranes are equipped with a variety of safety devices, such as load limiter, tipping protection device, etc., to ensure the safety of operation.