7-Apr-2025
50 Ton Gantry Crane
Introduction to 50 Ton Gantry Cranes
A 50 ton gantry crane represents heavy-duty material handling equipment exclusively built with double girder construction for maximum stability and safety. Unlike smaller capacity cranes, these industrial workhorses feature reinforced structural designs capable of handling massive loads in demanding environments. As a leading manufacturer, Dongqi Crane offers premium 50 ton gantry cranes for sale across multiple specialized configurations, each engineered for specific operational requirements.
Detailed Classification of 50 Ton Gantry Cranes
1. Standard Double Girder Gantry Cranes
- Structural Design: Box girder construction with 20-40mm flange thickness
- Typical Span: 18-35 meters
- Lifting Height: 10-20 meters
- Duty Class: FEM A5 (moderate usage)
- Price Range: $65,000 – $120,000
- Best For: General manufacturing, steel service centers
2. Heavy-Duty Double Girder Gantry Cranes
- Structural Enhancements: Reinforced web plates (25-45mm thickness)
- Typical Span: 20-40 meters
- Lifting Height: 12-30 meters
- Duty Class: FEM A6-A7 (intensive usage)
- Price Range: $85,000 – $150,000
- Best For: Foundries, continuous production lines
3. Rail-Mounted Gantry Cranes (RMG)
- Track System: QU100 heavy-duty rails
- Span Range: 22-50 meters
- Positioning Accuracy: ±10mm
- Special Features: Automatic alignment systems
- Price Range: $110,000 – $200,000
- Best For: Container yards, bulk material terminals
4. Rubber-Tired Gantry Cranes (RTG)
- Mobility: 8-16 wheel configurations
- Tire Options: Pneumatic or foam-filled
- Special Features: 90° cross-yard movement
- Price Range: $130,000 – $250,000
- Best For: Port operations, intermodal yards
5. Explosion-Proof Gantry Cranes
- Certifications: ATEX, IECEx compliant
- Safety Features: Spark-proof components
- Electrical Protection: IP66 rated enclosures
- Price Premium: +30-40% over standard models
- Best For: Petrochemical plants, oil refineries
Detailed Classification of 50 Ton Gantry Cranes
Dongqi Crane’s 50-ton gantry cranes are meticulously engineered for diverse industrial applications. Below is our comprehensive classification system with technical specifications and operational parameters:
1. By Structural Configuration
A. Full Gantry Cranes
- Leg Design: Rigid/flexible leg combinations
- Support System: Double-leg support on both sides
- Typical Span: 18-35m
- Max Height: Up to 30m hook height
- Stability: ±3mm lateral deflection under full load
- Applications: Heavy fabrication shops, steel service centers
B. Semi-Gantry Cranes
- Hybrid Design: One rigid leg + one building-supported side
- Space Saving: 30% smaller footprint than full gantry
- Span Range: 12-25m
- Cost Advantage: 15-20% more economical than full gantry
- Applications: Maintenance bays, limited space facilities
2. By Mobility System
A. Fixed-Position Gantry Cranes
- Foundation Requirements: 200-300mm thick reinforced concrete
- Anchorage System: M36 anchor bolts at 1.5m spacing
- Position Stability: ±5mm maximum drift
- Applications: Permanent production stations
B. Rail-Mounted Gantry Cranes (RMG)
- Rail Specifications: QU80/QU100 steel rails
- Wheel Configuration: 8-wheel balanced load distribution
- Travel Accuracy: ±10mm positioning repeatability
- Special Features: Automatic rail cleaners
- Applications: Bulk material handling yards
C. Rubber-Tired Gantry Cranes (RTG)
- Tire Options: 16.00-25 20PR pneumatic tires
- Steering System: 90° crab steering capability
- Power Supply: Diesel-electric or full electric
- Maneuverability: 18m turning radius
- Applications: Port container handling
3. By Operational Environment
A. Standard Industrial Cranes
- Environmental Rating: IP54 protection
- Temperature Range: -20°C to +50°C
- Humidity Tolerance: Up to 95% non-condensing
- Applications: General manufacturing
B. Corrosion-Resistant Cranes
- Protection System: C5-M paint coating
- Material Upgrades: 316 stainless steel components
- Sealing: Triple-lip seals on all moving parts
- Applications: Coastal facilities, chemical plants
C. Extreme Climate Cranes
- Arctic Packages: -40°C operation with heated components
- Tropical Packages: +60°C operation with enhanced cooling
- Desert Packages: Sand filtration systems
- Applications: Oil fields, mining operations
4. By Special Functionality
A. Magnet Gantry Cranes
- Lifting Capacity: 50t + electromagnet (typically 5-8t)
- Power Supply: 250V DC magnet circuit
- Cable Management: Motorized reel system
- Applications: Scrap processing, steel service centers
B. Grab Gantry Cranes
- Attachment Options: Clamshell, orange peel, or timber grabs
- Hydraulic System: 25MPa working pressure
- Cycle Time: 30-45 seconds per full cycle
- Applications: Bulk material terminals
C. Foundry Gantry Cranes
- Heat Protection: Refractory lined components
- Safety Features: Molten metal spill containment
- Duty Rating: FEM 4m (A8) classification
- Applications: Steel mills, casting operations
5. By Control System
A. Conventional Control Cranes
- Operator Interface: Pendant station or cabin
- Basic Features: Variable speed control
- Standard Accuracy: ±50mm positioning
- Applications: General material handling
B. Smart Control Cranes
- Automation Level: Semi-automatic operation
- Positioning Accuracy: ±5mm with laser guidance
- Data Collection: Load history recording
- Applications: Repetitive production processes
C. Fully Automated Cranes
- Control System: PLC with HMI interface
- Integration: ERP/MES connectivity
- Safety: 3D collision avoidance
- Applications: Smart factories, automated warehouses
Technical Comparison Table
| Classification | Key Feature | Typical Price Range | Lead Time |
|---|---|---|---|
| Full Gantry | Maximum stability | $75,000-$130,000 | 12-16 weeks |
| Semi-Gantry | Space efficient | $65,000-$110,000 | 10-14 weeks |
| RMG | Precise positioning | $110,000-$200,000 | 16-20 weeks |
| RTG | Mobile operation | $130,000-$250,000 | 18-22 weeks |
| Foundry Grade | Heat resistant | $150,000-$280,000 | 20-24 weeks |
| Automated | Smart features | $180,000-$300,000+ | 22-26 weeks |
Each classification includes:
- FEM/ISO compliant structural design
- Customizable span and height
- Application-specific safety features
- Energy-efficient drive systems
- Comprehensive documentation package
Dongqi’s engineering team provides:
- Free application analysis
- CAD layout drawings
- Foundation load calculations
- Installation supervision
- Operator training programs
For detailed specifications on any classification, our technical specialists can prepare application-engineered solutions matching your exact operational requirements and budget parameters.
Price Determinants for 50 Ton Gantry Cranes
Structural Factors Affecting Price
| Feature | Standard | Premium | Price Impact |
|---|---|---|---|
| Main Girder | Q345B steel | Q420C high-strength steel | +15-20% |
| Corrosion Protection | C4 coating | C5M marine-grade coating | +10-15% |
| Wheel Configuration | 4 wheels | 8 wheels with load sharing | +25-30% |
| Rail System | QU80 | QU100 heavy-duty | +12-18% |
Mechanical Components Pricing
- Hoist Options:
- Standard wire rope hoist: Included in base price
- European-style hoist: +$8,000-$15,000
- Explosion-proof hoist: +$20,000-$30,000
- Drive Systems:
- AC frequency control: Standard
- Servo-controlled positioning: +$15,000-$25,000
- Automated trolley positioning: +$30,000-$50,000
Control System Upgrades
| Control Type | Price Range | Features |
|---|---|---|
| Pendant control | Included | Basic operation |
| Cabin control | +$12,000 | Ergonomix controls |
| Radio remote | +$8,000 | 100m range |
| Full automation | +$50,000 | PLC integration |
Technical Specifications Comparison
Key Performance Parameters:
| Model | Speed (m/min) | Positioning Accuracy | Duty Cycle |
|---|---|---|---|
| Standard | 5-20 | ±50mm | 30% ED |
| Heavy-Duty | 5-15 | ±30mm | 60% ED |
| RMG | 3-10 | ±10mm | 40% ED |
| RTG | 5-12 | ±20mm | 50% ED |
Structural Dimensions:
| Parameter | Standard | Heavy-Duty | RMG |
|---|---|---|---|
| Girder Height | 1.8-2.5m | 2.2-3.0m | 2.5-3.5m |
| Wheelbase | 5-7m | 6-8m | 7-10m |
| Approx. Weight | 45-75t | 60-90t | 80-120t |
Why Choose Dongqi 50 Ton Gantry Cranes?
Engineering Advantages:
✔ Custom-Engineered Solutions: Every crane designed for specific load diagrams
✔ Premium Components: Siemens/ABB drives, SKF bearings
✔ Advanced Safety Systems: Dual braking, overload protection
✔ Global Certifications: CE, ISO, GOST, AS compliant
Service Package:
- Free technical consultation
- Installation supervision
- Operator training
- Lifetime technical support
Conclusion
Selecting the right 50 ton gantry crane requires careful consideration of your operational requirements and budget. From $65,000 standard models to $250,000+ specialized RTGs, Dongqi Crane offers comprehensive solutions for every heavy lifting need.
Contact our engineering team today for:
✔ Detailed 50 ton gantry crane dimensions
✔ Application-specific price quotations
✔ Technical specifications sheets
✔ Site planning assistance
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