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Indonesian 50 Ton Gantry Crane
Introduction to 50 Ton Gantry Cranes
A 50 ton gantry crane is a robust lifting system designed for heavy-duty industrial applications. Unlike smaller capacity cranes, these powerful machines feature a double girder design to ensure maximum stability and safety when handling massive loads. Dongqi Crane, as a leading manufacturer, provides high-quality 50 ton gantry cranes for sale with customizable configurations to meet various industrial requirements.
Applications of 50 Ton Gantry Cranes
50-ton gantry cranes are indispensable heavy lifting solutions across multiple industries. Their robust double girder design and high load capacity make them ideal for handling massive components and materials. Here’s a detailed breakdown of their key applications:
1. Steel Industry Applications
- Steel Coil Handling: Safely lifts and transports 50-ton steel coils between processing stations
- Plate Handling: Maneuvers heavy steel plates (up to 50 tons) in rolling mills and fabrication shops
- Structural Assembly: Positions large steel beams and columns during bridge/construction projects
- Ladle Transfer: Handles molten metal containers in foundries and casting operations
2. Shipbuilding & Marine Applications
- Hull Section Assembly: Precisely positions massive ship hull segments (up to 50 tons)
- Engine Installation: Lowers heavy marine diesel engines into ship engine rooms
- Propeller Mounting: Handles large ship propellers during installation
- Dry Dock Operations: Services and repairs large vessels in shipyards
3. Power Generation Sector
- Turbine Installation: Places 50-ton gas/steam turbines in power plants
- Generator Handling: Positions heavy generators during installation/maintenance
- Transformer Movement: Safely relocates massive power transformers
- Boiler Maintenance: Assists in servicing large boiler components
4. Heavy Construction Projects
- Precast Concrete Handling: Lifts and positions large precast concrete elements
- Bridge Girder Installation: Places heavy bridge support beams
- Tunnel Segment Handling: Positions large tunnel lining segments
- Construction Material Handling: Moves heavy construction materials around job sites
5. Mining & Heavy Industry
- Mining Equipment Maintenance: Services large crushers and processing equipment
- Mill Relining: Assists in replacing heavy mill liners
- Dragline Maintenance: Services massive mining draglines
- Heavy Machinery Installation: Positions large industrial equipment
6. Port & Terminal Operations
- Heavy Cargo Handling: Loads/unloads oversized industrial equipment from ships
- Container Handling: Specialized models handle multiple containers simultaneously
- Project Cargo Operations: Manages heavy, irregularly-shaped cargo
- Barge Loading: Transfers heavy equipment to/from barges
7. Manufacturing & Fabrication
- Press Line Servicing: Maintains and replaces heavy stamping press components
- Large Welment Handling: Positions massive welded structures
- Machinery Relocation: Moves heavy production equipment
- Die Changing: Handles large forming dies in manufacturing plants
Each application benefits from the crane’s:
- Precise load positioning capabilities
- Smooth variable speed control
- Robust double girder construction
- Customizable span and height configurations
- Advanced safety features for heavy loads
Dongqi’s 50-ton gantry cranes are engineered with industry-specific features to meet these demanding applications, including special lifting attachments, reinforced structures, and application-specific control systems. Our cranes can be customized with:
- Special trolley designs for unique loads
- Anti-sway systems for precise positioning
- Explosion-proof configurations for hazardous areas
- Remote control operation for improved safety
- Automated systems for repetitive operations
For specific application requirements, our engineering team can develop tailored solutions to optimize your 50-ton gantry crane’s performance in your unique operational environment.
Types of 50 Ton Gantry Cranes
All 50 ton gantry cranes from Dongqi feature double girder construction for enhanced strength and durability:
1. Standard Double Girder Gantry Crane
- Capacity: 50 tons
- Span: 18-35m
- Lifting Height: 10-20m
- Work Duty: A5 (moderate use)
2. Heavy Duty Double Girder Gantry Crane
- Capacity: 50 tons (with higher safety factor)
- Span: 20-40m
- Lifting Height: 12-30m
- Work Duty: A6-A7 (frequent/heavy use)
3. Rail Mounted Gantry Crane (RMG)
- Capacity: 50 tons
- Special Feature: Runs on fixed rail tracks
- Applications: Container yards, bulk material handling
4. Rubber-Tired Gantry Crane (RTG)
- Capacity: 50 tons
- Special Feature: Mobile operation on rubber tires
- Applications: Port terminals, intermodal yards
Types of 50 Ton Gantry Cranes: Comprehensive Classification
Dongqi Crane offers a complete range of 50-ton gantry cranes, each engineered with specialized features for different operational requirements. Below is our detailed classification system:
1. By Structural Design
A. Full Gantry Cranes
- Feature supporting legs on both sides
- Typical span: 18-35m
- Max. lifting height: 30m
- Applications: Heavy manufacturing, steel plants
B. Semi-Gantry Cranes
- One side runs on elevated rail, other on ground track
- Ideal for facilities with space constraints
- Cost-effective solution for medium-span operations
2. By Mobility System
A. Rail-Mounted Gantry Cranes (RMG)
- Run on fixed ground rails
- Positioning accuracy: ±10mm
- Standard rail gauge: 6-30m
- Typical applications: Container yards, bulk material handling
B. Rubber-Tired Gantry Cranes (RTG)
- 8-wheel or 16-wheel configurations
- Turning radius: 15-25m
- Tire options: Standard or foam-filled
- Special feature: Can straddle multiple container rows
3. By Operational Environment
A. Outdoor Gantry Cranes
- Wind rating: Up to Beaufort scale 8
- Corrosion protection: Special paint system
- Anti-sway system: Standard
- Lighting: Aviation warning lights
B. Explosion-Proof Gantry Cranes
- Certification: ATEX, IECEx compliant
- Hazardous area classification: Zone 1/Zone 2
- Special features: Spark-proof components
- Applications: Petrochemical plants, refineries
4. By Special Functionality
A. Electromagnetic Gantry Cranes
- Lifting capacity: 50t + magnet weight
- Power supply: Cable reel or conductor bar
- Duty cycle: 60% ED
- Applications: Scrap yards, steel service centers
B. Grab Bucket Gantry Cranes
- Available with hydraulic or mechanical grabs
- Material handling capacity: 800-1200m³/h
- Sealing system: Dust-proof electrical components
- Typical use: Bulk material terminals
5. By Control System
A. Cabin-Operated Cranes
- Cabin size: 2m×2m standard
- Visibility: 360° panoramic windows
- Ergonomic controls: ISO-certified
- Optional: Air conditioning/heating
B. Remote Control Cranes
- Control range: Up to 100m
- Frequency: 2.4GHz DSSS
- Safety features: Emergency stop, signal loss protection
- Battery life: 8-10 hours continuous use
C. Automated Gantry Cranes
- Positioning accuracy: ±5mm
- Guidance systems: Laser/LIDAR
- Interface: PLC control with SCADA integration
- Smart features: Load tracking, predictive maintenance
6. Special Custom Types
A. Low Headroom Gantry Cranes
- Reduced structural height
- Special trolley design
- Applications: Indoor facilities with height restrictions
B. Adjustable Span Gantry Cranes
- Span adjustment range: ±25%
- Locking mechanism: Hydraulic or mechanical
- Relocation time: <4 hours
- Use case: Multi-bay facilities
C. Multi-Trolley Gantry Cranes
- Trolley configuration: 2×25t or 3×16.7t
- Synchronization system: Digital load sharing
- Control: Coordinated movement
- Applications: Large component assembly
Each crane type includes:
- FEM/ISO standard structural design
- Variable frequency drives (VFD)
- Overload protection system
- Emergency stop devices
- Corrosion protection (C4-C5 standard)
Our engineering team can further customize:
- Special paint colors
- Brand-specific components (Siemens, ABB, etc.)
- Local certification requirements
- Special safety features
- Maintenance access systems
For detailed specifications on any 50-ton gantry crane type, please consult our technical team for application-specific recommendations.
Key Specifications & Dimensions
The 50 ton gantry crane dimensions vary based on configuration:
| Parameter | Standard Model | Heavy Duty Model | RMG Model |
|---|---|---|---|
| Capacity | 50 tons | 50 tons | 50 tons |
| Span | 18-35m | 20-40m | 22-50m |
| Lifting Height | 10-20m | 12-30m | 10-25m |
| Work Duty | A5 | A6-A7 | A6-A7 |
| Travel Speed | 5-20 m/min | 5-20 m/min | 5-15 m/min |
All specifications can be customized to meet specific operational needs.
50 Ton Gantry Crane: Detailed Technical Specifications & Dimensions
1. Structural Specifications
A. Main Girder
- Type: Box girder (standard) or truss girder (for extra-long spans)
- Material: Q345B steel (equivalent to ASTM A572 Grade 50)
- Flange thickness: 20-40mm (varies by span)
- Web thickness: 12-25mm
- Deflection limit: ≤ Span/800 (under full load)
B. End Carriages
- Wheel configuration: 4-wheel/8-wheel/16-wheel options
- Wheel diameter: Φ600-Φ900mm
- Wheel material: 55Mn forged steel with hardened tread
- Wheel load capacity: 25-40t per wheel
2. Lifting Mechanism
A. Hoist Specifications
- Type: Wire rope hoist (standard) or chain hoist (for compact spaces)
- Rope diameter: Φ18-Φ26mm (6×36WS+IWR)
- Drum diameter: Φ650-Φ1000mm
- Rope speed: 0.5-8m/min (variable frequency control)
- Motor power: 30-55kW (depends on speed requirements)
B. Trolley System
- Travel speed: 5-20m/min (VFD controlled)
- Drive type: Three-in-one gearmotor
- Rail type: QU70/QU80/QU100 (selected based on wheel load)
- Buffer stroke: 150-200mm
3. Electrical Specifications
A. Power Supply
- Voltage: 380V/415V/480V, 50/60Hz
- Power feed: Cable reel or conductor bar system
- Protection class: IP54 (standard), IP65 (for harsh environments)
- Insulation class: F (155°C)
B. Control System
- Control voltage: 24V DC (safety circuits), 220V AC (power circuits)
- PLC: Siemens S7-1200 or equivalent
- Frequency converter: Siemens, ABB, or Danfoss
- Protection devices: Overload, overtravel, emergency stop
4. Dimensional Parameters
Standard Configuration Table:
| Parameter | Standard Range | Customizable Options |
|---|---|---|
| Span | 18-35m | Up to 50m available |
| Lifting height | 10-20m | Up to 30m possible |
| Crane height | 8-15m | Low-profile designs available |
| Wheelbase | 5-8m | Adjustable for site conditions |
| Hook approach | 1.5-3m | Customizable based on needs |
| Rail gauge | 6-30m | Matches runway design |
| Clearance under beam | 6-12m | Can be increased |
5. Performance Specifications
A. Speed Parameters (VFD Controlled)
- Lifting speed: 0.5-8m/min (adjustable)
- Trolley travel: 5-20m/min
- Crane travel: 10-30m/min
- Acceleration: 0.1-0.3m/s² (adjustable)
B. Duty Classification
- Standard: FEM 1Am (A5)
- Heavy duty: FEM 2m (A6)
- Continuous duty: FEM 3m (A7)
- Special duty cycles available
6. Environmental Specifications
A. Operating Conditions
- Temperature range: -20°C to +50°C
- Humidity: ≤95% RH (non-condensing)
- Altitude: ≤1000m (standard), up to 3000m (special design)
- Wind resistance:
- Working state: ≤20m/s
- Non-working state: ≤42m/s (with anti-wind devices)
B. Special Environment Options
- Corrosive environments: C4/C5 protection coating
- Explosive areas: ATEX certification available
- Extreme temperatures: -40°C to +60°C versions
- Seismic designs: Up to seismic intensity 9
7. Safety Features
Standard Package Includes:
- Overload limiter (110% of rated capacity)
- Double limit switches (upper/lower)
- Emergency stop buttons (cabin and ground)
- Anti-collision system (for multiple cranes)
- Rail clamps (for outdoor applications)
- Lightning protection (for outdoor cranes)
Optional Safety Systems:
- Load moment indicator
- Anti-sway system
- Wind speed monitor
- CCTV monitoring system
- Remote diagnostics
8. Customization Options
Structural Customizations:
- Special paint colors (RAL codes available)
- Walkways and maintenance platforms
- Lighting systems (LED work lights)
- Special signage and markings
- Noise reduction packages
Technical Upgrades:
- Automated positioning systems (±5mm accuracy)
- RFID load identification
- Wireless monitoring systems
- Predictive maintenance interfaces
- Energy recovery systems
For precise dimensional requirements, our engineering team provides:
- Foundation load calculations
- Rail installation drawings
- Interface dimensions with building structures
- Maintenance space requirements
- Transportation and assembly plans
All specifications comply with international standards including:
- ISO 4301
- FEM 1.001
- DIN 15018
- GB/T 14405
- CMAA 70
Note: All values are typical ranges and can be precisely engineered to match specific operational requirements. Final specifications are determined during the project engineering phase based on detailed site conditions and operational needs.
50 Ton Gantry Crane Price Factors
The 50 ton gantry crane price depends on several key factors:
- Design Type (Standard, Heavy Duty, RMG, RTG)
- Span and Height Requirements
- Material Specifications
- Control Systems (Cabin, remote, or automated)
- Additional Features (Anti-sway, overload protection, etc.)
Price Range:
- Standard Models: $60,000 – $120,000
- Heavy Duty Models: $80,000 – $150,000
- Specialized Models (RMG/RTG): $100,000 – $200,000+
Contact Dongqi Crane for exact pricing based on your specifications.
Why Choose Dongqi 50 Ton Gantry Cranes?
✔ Proven Double Girder Design – Ensures safety and reliability for heavy loads
✔ Custom Engineering – Tailored solutions for specific applications
✔ High-Quality Components – Premium motors, brakes, and electrical systems
✔ Global Certifications – Complies with ISO, CE, FEM, and other international standards
✔ Comprehensive Service – Installation, training, and after-sales support
Conclusion
For industries requiring 50 ton lifting capacity, Dongqi’s double girder gantry cranes offer the perfect combination of strength, precision, and durability. Whether you need a standard gantry crane, heavy duty model, or specialized RMG/RTG solution, we provide high-quality 50 ton gantry cranes for sale at competitive prices.
Contact Dongqi Crane today for detailed 50 ton gantry crane dimensions and price information tailored to your project requirements!
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