Description
Description
Engineered for deep water well and borehole projects, the DTHR-400 truck-mounted drilling rig offers unmatched drilling depth, power, and efficiency. Designed to deliver maximum reliability in tough terrain, it features robust hydraulics, top-of-the-line air and mud systems, versatile mounting options, and modern control features. The DTHR-400 is the preferred solution for professional well drilling contractors seeking dependable, all-terrain performance and industry-best results.
| Product Data | Specifications |
| Application | Water Well Drilling |
| Drilling Method | DTH / Mud Rotary Drilling |
| Flushing Medium | Air / Water |
| Drilling Depth | 400 meters |
| Hole Diameter | 165 – 305 mm (6 ½” – 12″) |
| Top Drive Rotary Head | Rpm: 0 – 120 |
| Torque : 5000 NM | |
| Feed Cylinder Pull Up Force | 16000 Kgf |
| Feed Cylinder Pull Down Force | 8000 Kgf |
| Rotary Head Travel | 7050 mm |
| Prime Mover | Truck Engine Drive or Suitable Deck Engine 230 hp |
| Rod Break out method | Hydraulic Operated Breakout Wrench |
| Rod Changer | Single Rod Changer for Rod Handling |
| Hydraulic system | Hydraulic Oil Cooler: 70 gpm |
| Hydraulic Tank Capacity: 600 litres | |
| Mounting | Truck 6×4/ Crawler / Skid |
| Air Compressor | 1200 CFM / 330 PSI (ELGI/Atlas Copco/CP) |
| Mud Pump | 6″ x 6″ / 6″ x 8″ Duplex Mudpump |
| Optional features | Hammer Opening Device,GPS and fuel monitoring system |
Features
- Deep Drilling Capability: Achieves drilling depths up to 400 meters, suitable for deep water wells and high-demand bore projects.
- Dual Drilling Modes: Supports both DTH (Down-the-Hole) and mud rotary drilling, making it flexible for rock, overburden, and mixed formations.
- Robust Powertrain: Equipped with a top drive rotary head (0–120 RPM, 5000 NM torque) and a powerful 230 hp truck/deck engine for continuous, high-performance operation.
- Impressive Pull Force: Provides a feed cylinder pull-up force of 16,000 kgf and pull-down force of 8,000 kgf, enabling efficient penetration through hard strata.
- Wide Bore Range: Capable of drilling hole diameters between 165 mm – 305 mm (6½”–12”), suitable for various well sizes.
- Advanced Hydraulic System: Includes a hydraulic oil cooler (70 gpm), 600-liter tank, single rod changer, and hydraulic operated breakout wrench for smooth rod handling and high efficiency.
- Air and Mud Support: Features a 1200 CFM/330 PSI air compressor (Atlas Copco) and duplex mud pump (6×6”/6×8”) for efficient flushing and DTH hammer operations.
- Smart Monitoring: Optional features like hammer opening device, GPS, and a fuel monitoring system provide enhanced safety and operational control.
- Flexible Mounting: Truck 6×4, crawler, or skid option ensures easy mobility even in remote or rugged locations.
Applications
- Deep water well drilling for agricultural, industrial, and municipal use.
- Suitable for both rocky and soft formations thanks to dual drilling capability.
- High-capacity borehole drilling where performance and reliability are critical.
