50 Ton Gantry Crane - Heavy Duty Lifting Solutions | Dongqi 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
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: Feature supporting legs on both sides Typical span: 18-35m Max. lifting height: 30m Applications: Heavy manufacturing, steel plants One side runs on elevated rail, other on ground track Ideal for facilities with space constraints Cost-effective solution for medium-span operations Run on fixed ground rails Positioning accuracy: ±10mm Standard rail gauge: 6-30m Typical applications: Container yards, bulk material handling 8-wheel or 16-wheel configurations Turning radius: 15-25m Tire options: Standard or foam-filled Special feature: Can straddle multiple container rows Wind rating: Up to Beaufort scale 8 Corrosion protection: Special paint system Anti-sway system: Standard Lighting: Aviation warning lights Certification: ATEX, IECEx compliant Hazardous area classification: Zone 1/Zone 2 Special features: Spark-proof components Applications: Petrochemical plants, refineries Lifting capacity: 50t + magnet weight Power supply: Cable reel or conductor bar Duty cycle: 60% ED Applications: Scrap yards, steel service centers Available with hydraulic or mechanical grabs Material handling capacity: 800-1200m³/h Sealing system: Dust-proof electrical components Typical use: Bulk material terminals Cabin size: 2m×2m standard Visibility: 360° panoramic windows Ergonomic controls: ISO-certified Optional: Air conditioning/heating Control range: Up to 100m Frequency: 2.4GHz DSSS Safety features: Emergency stop, signal loss protection Battery life: 8-10 hours continuous use Positioning accuracy: ±5mm Guidance systems: Laser/LIDAR Interface: PLC control with SCADA integration Smart features: Load tracking, predictive maintenance Reduced structural height Special trolley design Applications: Indoor facilities with height restrictions Span adjustment range: ±25% Locking mechanism: Hydraulic or mechanical Relocation time: <4 hours Use case: Multi-bay facilities 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.1. By Structural Design
A. Full Gantry Cranes
B. Semi-Gantry Cranes
2. By Mobility System
A. Rail-Mounted Gantry Cranes (RMG)
B. Rubber-Tired Gantry Cranes (RTG)
3. By Operational Environment
A. Outdoor Gantry Cranes
B. Explosion-Proof Gantry Cranes
4. By Special Functionality
A. Electromagnetic Gantry Cranes
B. Grab Bucket Gantry Cranes
5. By Control System
A. Cabin-Operated Cranes
B. Remote Control Cranes
C. Automated Gantry Cranes
6. Special Custom Types
A. Low Headroom Gantry Cranes
B. Adjustable Span Gantry Cranes
C. Multi-Trolley Gantry Cranes
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.
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 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 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 Standard Configuration Table: 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 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 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 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.1. Structural Specifications
2. Lifting Mechanism
3. Electrical Specifications
4. Dimensional Parameters
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
6. Environmental Specifications
7. Safety Features
8. Customization Options
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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