30 Ton Gantry Cranes
Heavy-Duty 30 Ton Gantry Crane Solutions
Dongqi Crane manufactures premium 30 ton gantry cranes for industrial lifting applications requiring superior strength and reliability. Our CE & ISO certified cranes are engineered for:
✔ Steel mills and metal fabrication
✔ Shipbuilding and dry dock operations
✔ Heavy equipment assembly
✔ Construction material handling
✔ Mining and bulk material operations
Why Choose Dongqi 30 Ton Gantry Cranes?
✅ Robust Construction – High-grade Q345B steel
✅ Custom Engineering – Spans up to 35m, heights to 30m
✅ Advanced Safety – Overload protection, emergency brakes
✅ Competitive Pricing – Direct factory prices
✅ Global Support – Installation and maintenance services
30 Ton Gantry Crane Technical Specifications
Structural Specifications
1. Main Load-Bearing Components
| Component | Material Specification | Manufacturing Standard |
|---|---|---|
| Main Girder | Q345B Steel (σs≥345MPa) | GB/T 1591-2018 |
| End Carriages | Q235B Steel with Reinforced Ribs | EN 10025-2 |
| Wheels & Axles | 42CrMo Alloy Steel | DIN 17200 |
| Hoist Trolley | NM400 Wear-Resistant Steel | ASTM A514 |
2. Dimensional Parameters
| Parameter | Single Girder | Double Girder | Rubber-Tired |
|---|---|---|---|
| Standard Span | 15-30m (±50mm) | 18-35m (±50mm) | 20-35m (±100mm) |
| Lifting Height | 10-22m (0.5m increments) | 12-30m (0.5m increments) | 8-25m (1m increments) |
| Min. Headroom | 1.5m | 1.8m | 2.0m |
| Wheel Track | 5-8m (±10mm) | 6-10m (±10mm) | 7-12m (±20mm) |
| Rail Specification | QU70/QU80 | QU80/QU100 | N/A |
Performance Specifications
1. Load Capacity & Testing
| Parameter | Specification | Test Method |
|---|---|---|
| Rated Capacity | 30 metric tons | DIN 15018 |
| Overload Test | 33 tons (110%) for 10min | FEM 1.001 |
| Dynamic Test | 30 tons at 1.25× rated speed | ISO 4301 |
| Deflection Limit | ≤Span/800 at SWL | Laser Measurement |
2. Movement Characteristics
| Movement | Speed Range | Control Accuracy |
|---|---|---|
| Hoisting | 0.5-8 m/min (VF) | ±10mm |
| Trolley Travel | 5-20 m/min | ±20mm |
| Gantry Travel | 10-30 m/min | ±50mm |
Electrical Specifications
1. Power System
| Component | Specification | Protection Class |
|---|---|---|
| Main Hoist Motor | 37-45kW, 380V/50Hz | IP55 |
| Travel Motors | 5.5-11kW ×4 | IP54 |
| Control Voltage | 24V DC (Safety Circuit) | SELV |
| Pendant Station | 8-Button Dustproof | IP65 |
2. Safety Systems
- Load Monitoring: Digital display with ±1% accuracy
- Limit Switches:
- Upper/Lower (2-stage deceleration)
- End Travel (magnetic proximity)
- Emergency Stop: Mushroom-type at 3 locations
- Anti-Collision: Laser detection (5m range)
Environmental Specifications
Operating Conditions
| Parameter | Standard Range | Optional Upgrade |
|---|---|---|
| Temperature | -20°C to +40°C | -40°C to +55°C |
| Humidity | ≤95% RH (non-condensing) | IP66 Enclosure |
| Wind Resistance | 20m/s (operating) | 42m/s (survival) |
| Altitude | ≤1000m ASL | ≤3000m ASL |
Certification & Compliance
Testing & Documentation
- Factory Test Reports:
- 125% Static Load Test (photographic evidence)
- 110% Dynamic Test (10 cycles)
- Insulation Resistance ≥10MΩ
- Certifications:
- CE (EN 13001-1/-2)
- ISO 9001:2015
- GOST R (Russian Standard)
- Delivery Documents:
- Product Manual (EN/RU/ES)
- Test Certificates (Notarized)
- Parts Book (3D Exploded View)
Maintenance Specifications
Service Intervals
| Component | Inspection | Lubrication | Replacement |
|---|---|---|---|
| Wire Rope | Weekly | Monthly | 3-5 years |
| Gearbox | 6 months | 3 months | 50,000h |
| Brakes | Monthly | N/A | 5 years |
| Wheels | Quarterly | N/A | 10 years |
*Note: All overload tests strictly follow ≤110% capacity rule with triple verification by:
- Load cell calibration (Class 0.5)
- PLC program lock
- Manual confirmation*
For complete CAD drawings (DWG/STEP format) or site-specific configuration advice, contact our engineering team with your project requirements.
30 Ton Gantry Crane Price List (2025)
Base Model Pricing (FOB China)
| Model | Type | Price (USD) | Lead Time |
|---|---|---|---|
| DQ-G30-S | Single Girder | $68,000-$110,000 | 40-60 days |
| DQ-G30-D | Double Girder | $105,000-$180,000 | 60-90 days |
| DQ-G30-RTG | Rubber-Tired | $155,000-$290,000 | 90-120 days |
Optional Features Pricing
- Radio Remote Control: +$4,200
- Explosion-Proof: +30% base price
- Automated Positioning: +$25,000
- Low-Temperature Package: +12%
Special Offer: 5% discount on orders of 3+ units
Where to Buy 30 Ton Gantry Cranes?
Dongqi Crane provides direct manufacturer sales with:
✔ Free technical consultation
✔ Custom design services
✔ Complete documentation (test reports, manuals)
✔ After-sales support
How to Order?
- Contact Us with your requirements
- Receive a Quote within 24 hours
- Production & Testing – Quality controlled manufacturing
- Delivery & Setup – Worldwide shipping
FAQs
Q: What’s the maximum span available?
A: Up to 35m for double girder models (custom options possible).
Q: Can I get a remote-controlled crane?
A: Yes! We offer both wired pendant and wireless remote options.
Q: What’s the warranty coverage?
A: 18 months for structural components, 12 months for electrical systems.
Q: How long does installation take?
A: 5-15 days depending on crane type and site conditions.
Get Your 30 Ton Gantry Crane Today!
📞 Call: +86 18638815424
📧 Email: [email protected]
🌐 Website: https://pk.craneyt.com/
Request a FREE Quote Now!
✔ No obligation
✔ Custom solutions
✔ Best price guarantee
