Harbour Heavy Lift Rail-Mounted Port Crane - Liebherr 20 Ton SWL Portal Crane (GBM & GHE Marine Crane)
Environment of Rail-Mounted Portal Cranes:
- Power source is three-phase alternating current, with a rated frequency of 50Hz and a rated voltage of 380V.
- The working environment temperature should range between -20°C and +45°C, with relative humidity not exceeding 95% (with dew).
- During operation, wind speed should not exceed 20m/s; when not in use, wind speed can reach up to 35-42m/s.
- The installation of the crane rail must comply with the requirements of JT5022.
Port Crane Product Parameters




Reliable Assurance of Function
The key components are sourced from internationally renowned brands, ensuring a sufficient safety margin in both structural and mechanical design. The control system is designed to operate stably in extreme conditions such as cold, high temperatures, and dusty environments. The maintenance process is straightforward and efficient—reaching the adjustable location takes no more than 10 minutes, and accessing the adjustable area takes no longer than 30 minutes. The maximum maintenance time required is less than 2 hours. Additionally, the crane is equipped with a GPS remote monitoring system, enabling users to easily manage and maintain the equipment remotely.
Certifications

About Our Company
Shanghai Guanhai Engineering Machinery Technology Co., Ltd. has introduced a new business model based on the general contracting system, integrating resources from various sectors. Leveraging our strengths in engineering consulting, technology research and development, manufacturing, and project management, we have partnered with leading institutes, universities, and manufacturers both domestically and internationally to provide tailored, professional solutions. We prioritize our clients, offering comprehensive services from initial consultation and design, material procurement, manufacturing, installation, commissioning, to after-sales support. In recent years, we have focused on port material handling equipment and have developed a series of equilibrium handlers.
Adhering to the principle of "Mastering Core Technologies," Shanghai Guanhai Engineering Machinery Technology Co., Ltd. is committed to quality and service, continuously innovating to meet market demands. We believe that innovation and excellence are the keys to long-term success.

Pre-Sales Service
- Inquiry and consulting support
- Sample testing assistance
- Factory visit options available
After-Sales Service
- Training on machine installation and operation
- Engineers available for overseas service
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Jiangyou ChongxinSpecial Metal Materials Co., Ltd. , https://www.zhongxindiesteel.com