Welcome to Changsha Mining Equipment Co., Ltd.
DD4 Hydraulic Drill Jumbo
- High drilling speed efficiency
- Robust four-wheel drive system
- Advanced digital monitoring display
- Durable low-maintenance rock drill
MODEL DD4
Hydraulic Face Drilling Rig
High-Performance • Advanced Technology • Superior Reliability
Product Overview
The DD4 drill jumbo is a newly designed and powerful hydraulic face drilling rig, developed for underground mining, hydropower, railway, highway, and defense tunnel excavation. Built with independent R&D, production, sales, and after-sales service capabilities, the DD4 ensures reliability and innovation with full intellectual property rights.
Equipped with a robust four-wheel drive articulated chassis and wet-type braking system, the rig guarantees safe and stable operation even under tough working conditions. Its heavy-duty single boom design allows flexible drilling across various rock formations, with a penetration speed of 0.8–2.5 m/min. The DD4 supports multiple high-power rock drills (18–25 kW), achieving excellent adaptability for different rock hardness levels.
High Penetration Rate
0.8–2.5 m/min drilling speed for efficient operations
Advanced Hydraulic System
High-pressure low-flow system for better performance
Enhanced Safety
Wet-type braking system and stable chassis design
L-shape Boom Design
Wider operator visibility and parallel drilling function
Technical Specifications
| Dimensions | |
|---|---|
| L*W*H(mm) | 11934 * 2080 * 2994/2294 |
| Ground Clearance(mm) | 300 |
| Total Weight(kg) | 15400 |
| Turning Radius(mm) | 3600/5900 |
| Traveling Speed(km/h) | 13.5 |
| Rock Drill | |
| Model | A18D/L - S20D/L |
| Shank | T38 - T38 |
| Hole Diameter(mm) | 33-76 - 43-64 |
| Max Impact Power(kw) | 18 - 20 |
| Impact Frequency(Hz) | 60 - 67 |
| System Pressure(Bar) | 230 - 220 |
| Feed | |
| Model | TF1838-12 - TF1838-14 - TF1838-16 |
| Total Length(mm) | 5315 - 5915 - 6525 |
| Drill Rod Length(mm) | 3700 - 4300 - 4915 |
| Drill Depth(mm) | 3400 - 4000 - 4600 |
| Total Weight(Kg) | 560 - 593 - 633 |
| Propulsion(kN) | 15 - 15 - 15 |
| Systems | |
| Air Compressor Type | Screw |
| Water System Type | Centrifugal |
| Hydraulic System Pressure | 230bar |
| Volume of Hydraulic Oil Tank | 180L |
Applications
The DD4 Drill Jumbo excels in various demanding environments and applications:
Underground mining operations
Hydropower tunnel construction
Railway and highway tunnel excavation
Defense and military tunnel projects
Large-scale infrastructure development
Key Advantages
Choosing our DD4 Drill Jumbo means opting for superior performance and value:
Dual Damping Technology
Reduces steel consumption and extends service life
Advanced Monitoring
Real-time alarm and fault display systems
Comprehensive Support
Professional after-sales service ensures continuous productivity
Parallel Drilling
Precise and efficient face drilling capability
