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




Reliable Assurance of Function
The key components of this crane are sourced from internationally renowned brands, ensuring a high 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 windy or sandy environments. The maintenance process is highly efficient, with access to adjustable locations within 10 minutes, and full maintenance areas reachable in no more than 30 minutes. The maximum time required for close maintenance does not exceed 2 hours. Additionally, the crane is equipped with a GPS remote monitoring system, making equipment management and maintenance more convenient for users.
Certifications

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

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