50 Ton Overhead Crane
Introduction to 50 Ton Overhead Cranes
Dongqi Crane specializes in manufacturing premium 50 ton overhead cranes (also called 50 ton bridge cranes) for extreme industrial lifting applications. As a leading Chinese manufacturer with ISO 9001, CE, and GOST certifications, we provide rugged 50 ton overhead cranes for sale at competitive prices, engineered for reliability in the most demanding environments.
Key Specifications of Dongqi 50 Ton Overhead Cranes
1. Heavy-Duty Structural Design
- Double Box Girder Construction:
- Fabricated from Q345B steel (δ=12-30mm thickness)
- Internal reinforcement with welded diaphragms (1.2m spacing)
- Pre-cambered profile (1.5/1000 span ratio)
- Enhanced End Trucks:
- Forged steel wheels (ZG340-640, HRC 55-60 hardness)
- Quad-flange wheel design for misalignment tolerance
- Timken tapered roller bearings (L10 >80,000 hours)
2. High-Capacity Hoisting System
- Wire Rope Hoist:
- 50 ton capacity with 125% overload protection
- Grade 1960 rotation-resistant ropes (6×36WS+IWR)
- 800mm diameter drum with CNC-machined grooves
- Dual-Hoist Option:
- Tandem lifting configuration
- Synchronized control system
- Load balancing technology
3. Precision Drive & Control
- Travel Drive:
- Dual-motor helical gear reducers
- AC frequency control (0.1-15 m/min)
- Regenerative braking system
- Control Options:
- Radio remote (IP65, 150m range)
- Pendant control (8-12 button)
- Cabin operation (ISO-certified ergonomic design)
50 Ton Overhead Crane Price Breakdown
Base Price Range
| Configuration | Price Range (USD) |
|---|---|
| Standard Double Girder | $65,000 – $140,000 |
| Heavy Duty (FEM 4m) | $95,000 – $200,000 |
| European-Style Design | $120,000 – $250,000 |
| Explosion-Proof Version | $150,000 – $300,000 |
Key Price Factors
- Structural Components (50-60% of cost)
- Span length (+$2,000-$4,000/m beyond 20m)
- Runway system (building-mounted vs. freestanding)
- Hoisting System (30-40% of cost)
- Single vs. dual hoist configuration
- Special features (high-temp, corrosion protection)
- Controls & Automation (10-20% of cost)
- Basic pendant vs. smart radio control
- IoT connectivity options
Industry Applications
1. Steel & Metal Production
- Ladle Handling: Transferring 45-50 ton molten metal ladles
- Coil Manipulation: Positioning hot coils in rolling mills
- Slab Handling: Moving 40-50 ton steel slabs
2. Heavy Machinery Manufacturing
- Press Installation: Positioning 8000-ton press components
- Ship Engine Assembly: Handling marine diesel engines
- Mining Equipment: Crusher mantle replacement
3. Energy Sector
- Turbine Maintenance: Generator rotor extraction
- Transformer Handling: 50MVA+ unit positioning
- Nuclear Components: Reactor vessel internals
Comparison: 30 Ton vs. 50 Ton vs. 75 Ton Cranes
| Parameter | 30 Ton | 50 Ton | 75 Ton |
|---|---|---|---|
| Girder Weight | 12-18t | 22-35t | 35-50t |
| Power Consumption | 30kW | 45-60kW | 75-100kW |
| Typical Span | 10-25m | 15-35m | 20-40m |
| Price Range | $35-120k | $65-250k | $100-400k |
| Best For | Heavy manufacturing | Extreme duty | Mega projects |
Where to Buy 50 Ton Overhead Crane for Sale?
Purchasing Options
- Direct from Dongqi Factory:
- Best pricing (20-35% below market)
- Full customization capability
- Quality control at source
- Regional Distributors:
- Local inventory for standard models
- Quick installation support
- Online Platforms:
- Verified Alibaba storefront
- Custom quotes via Made-in-China
Why Choose Dongqi?
✅ 35+ years heavy crane manufacturing
✅ 300+ 50-ton crane installations
✅ 24-month extended warranty
✅ Turnkey solutions (design to maintenance)
Technical Support Services
Custom Engineering
- Finite Element Analysis (FEA)
- Seismic load calculations
- Dynamic simulation
Installation & Commissioning
- Laser-aligned runway systems
- Load testing (125% capacity)
- Operator training
Frequently Asked Questions
Q: What’s the lead time for a 50 ton crane?
A: 45-60 days for standard models; 75-120 days for custom solutions
Q: Can existing facilities support this capacity?
A: Our engineers provide structural assessment and reinforcement plans
Q: What maintenance is required?
A: Semi-annual professional inspection + quarterly lubrication
Next Steps to Purchase
- Submit your facility parameters
- Receive engineered solution proposal
- Conduct factory acceptance test
- Schedule installation
Contact Dongqi Crane today for your 50 ton overhead crane solution!
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