Harbour Heavy Lift Rail-Mounted Port Crane - Liebherr 20 Ton SWL Portal Crane (GBM & GHE Marine Crane)
Working Environment for 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 should be 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 not in use, the maximum wind speed allowed is between 35-42m/s.
- The installation of the crane rail must comply with the requirements specified in JT5022.
Port Crane Product Parameters




Reliable Function Assurance
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 under extreme conditions, including cold, high temperatures, and windy or dusty environments. The maintenance process is user-friendly and efficient, allowing access to adjustable areas within 10 minutes and maintenance zones within 30 minutes. The maximum time required for maintenance near critical areas does not exceed 2 hours. Additionally, the crane is equipped with a GPS remote monitoring system, enabling users to manage and maintain the equipment more effectively.
Certifications

About Our Company
Shanghai Guanhai Engineering Machinery Technology Co., Ltd. has established a new business model based on the general contract system by integrating resources from various sectors. Leveraging our strengths in engineering consulting, technology R&D, manufacturing, and project management, we have partnered with numerous well-known institutes, universities, and manufacturers both domestically and internationally to provide tailored system solutions. We prioritize our clients' needs 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 opportunities
After-Sales Service
- Training on machine installation and usage
- Engineers available for overseas machinery service
Mill Auxiliary Equipment And Supporting Equipment
Environmental Dust Removal Equipment,Mill Auxiliary Equipment,Mill Supporting Equipment,Pressure Pneumatic Conveying Systems
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