Introduction of Rail-mounted Gantry Crane
A Rail Mounted Gantry (RMG) is a specialized material handling equipment used in ports , container terminals, and intermodal yards for efficient cargo movement .
Features of Rail-mounted Gantry Crane
Key Benefits
Container terminals at ports
Rail-based freight centers
International logistics zones
Background
With the steady rise in containerized trade, RMG systems enhance operational throughput and optimize yard space utilization. These cranes support tight stacking configurations (such as "4-high stacking, 5-wide reach"), operate on electric power for reduced emissions, and are compatible with automation technologies. Limitations include fixed rail paths, significant initial investment, and reliance on consistent power supply.
Technical Highlights
Standard RMG specifications: 23 m span, 40 t lifting capacity, 30 m/min hoisting speed
Electrically powered via rail-side conduits, equipped with 16 steel wheels
Digitally controlled PLC system incorporating AC frequency drives
Simultaneous trolley travel and hoisting capabilities
Integrated remote monitoring via CMS/RCMS
✅ Eco-Friendly & Energy Efficient** – Electric operation lowers carbon footprint and reduces fuel expenses.
✅ High Load Capacity** – Capable of lifting 20' and 40' containers, with twin-lift spreaders for dual-container handling.
✅ Rapid & Smooth Operation** – Ensures swift load movement, increasing terminal productivity.
✅ Accurate Load Control** – AC frequency regulation provides steady lifting and minimizes load swing.
✅ Durable & Low Maintenance** – Robust steel construction and abrasion-resistant wheels ensure long service life.
Notable Features of Our RMG Cranes
Intelligent Control & Automation
Implements Siemens PLC and Schneider frequency drives for precision control
Remote Crane Monitoring System (RCMS) enables live performance tracking and operation
Adaptable Lifting Systems
Single or dual drum hoisting mechanisms tailored to various load requirements
High-accuracy spreaders compatible with 20'/40' and twin-lift container configurations
Robust & Secure Structure
Circular trolley design improves load distribution
Enhanced stability for secure container handling
Optimized for Port & Terminal Use
Rail-guided movement ensures extensive yard coverage
Outperforms rubber-tired gantries (RTG) in speed and efficiency
Technical Parameters of Rail-mounted Gantry Crane
Lifting Capacity: Up to 61 tons
Span: 10.5 ~ 60 meters or customized
Work Class: A5 ~ A8
Lifting Height: 6m, 9m, 30m or customized
Power supply: Three-phase AC 50 Hz 380V
Work environment temperature: -20℃～+40℃
Why Choose Our RMG Cranes?
✅ Tailored Solutions– Customizable to specific operational needs (lift capacity, span, automation level)
✅ Advanced Connectivity– IoT-enabled remote operation and maintenance notifications
✅ Engineered for Endurance – Constructed with high-strength materials suitable for continuous port operations
Additional Advantages
Rotating lower trolley and full leg-pass-through capability extend operational range and flexibility
Integrated overload protection enhances operator and equipment safety
Sophisticated motor management through PLC and frequency control systems
Reliable performance with premium internationally sourced components
Compliant with global standards including DIN, FEM, IEC, and AWS
Extended Features
CMS intelligent monitoring with PLC-controlled speed adjustment
270° rotating upper trolley or spreader for efficient cargo transfer
Service-friendly gearbox design for trolley drive system
Integrated wind alarm, wire rope breakage prevention, and anti-tipping safety mechanisms
Energy-efficient systems with power feedback and torque balancing
Automated positioning, intelligent container spotting, and multi-level safety protection
High lifting height, broad span, rapid cycling, precise location control, and superior load capacity
