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High-Performance DTH Drilling Rig | 4.5T Capacity | 220m Max Depth
Upgrade your operations with our premium DTH drilling rig, engineered for deep-hole drilling in mining, quarrying, and construction. Equipped with high-torque rotation (3200-4600 N.m) and rapid penetration (10-35 m/h), this rig delivers unmatched efficiency with optimized air consumption (17-31 m³/min).
Key Advantages:
1.Heavy-Duty Design: 45T robust structure powered by Quanchai diesel engine for extreme durability.
2.Multi-Size Drilling: Compatible with 76.89mm drill pipes and 140-325mm bore diameters (perfect for blast holes, water wells, and geothermal drilling).
3.Industry-Leading Speed: 20m/min lifting & 40m/min feed speed - outperforms standard rigs.
4.Superior Mobility: 25 km/h travel speed & 30° slope climbing for challenging terrains.
Ideal for: Mineral exploration, foundation works, and deep-well projects.
Why Partner With Us?
1. CE Certified
2. 12-month warranty + global technical support
3. Tailored solutions (impactors, pipe lengths, etc.)
Contact us today for exclusive offers! Worldwide shipping available.
| Parameter (English) | Value |
|---|---|
| Total Weight (T) | 4.5 |
| Drill Pipe Diameter (mm) | 76.89 |
| Drilling Diameter (mm) | 140-325 |
| Drill Pipe Length (m) | 1.5 / 2.0 / 3.0 |
| Drilling Depth (m) | 220 |
| Lifting Force | 12 |
| Single Feed Length (m) | 3.3 |
| Fast Lifting Speed (m/min) | 20 |
| Travel Speed (km/h) | 25 |
| Fast Feed Speed (m/min) | 40 |
| Max. Gradeability | 30 |
| Loading Width (m) | 2.4 |
| Host Power (kW) | 55-65 |
| Working Air Pressure (MPa) | 1.7-2.5 |
| Rotation Torque (N.m) | 3200-4600 |
| Air Consumption (m³/min) | 17-31 |
| Dimensions (mm) | 3950×1630×2250 |
| Rotation Speed (rpm) | 45-70 |
| Impact Matcher | Medium-High Air Pressure Series |
| Drilling Efficiency (m/h) | 10-35 |
| High Leg Travel (m) | 1.4 |
| Diesel Engine Brand | Quanchai Engine |
Unbeatable Performance
• Powerful 4.5T heavy-duty rig with 220m max drilling depth
• Blazing-fast 40m/min feed speed - drill 30% faster than competitors!
• High-torque rotation (4600N.m max) crushes toughest rock formations
Precision Engineering
• 3-in-1 Versatility: Perfect for 140-325mm blast holes, water wells & geothermal
• Smart Air Control: Only 17-31m³/min consumption saves 20% on energy costs
• Quanchai Turbo Engine delivers 55-65kW reliable power










