Hole diameter | φ90-130mm | 3.5-5.1 in | |
DTH hammer | 3 in/4 in/5 in | ||
Rod changing system | Drill rod storage | 7+1 | |
Drill rod diameter | 76 mm | 3 in | |
Drill rod length | 3 m | 9.8 ft | |
Max. Hole depth | 24 m | 78.7 ft | |
Hydraulic rotation head | Rotation speed | 0-115 rpm | |
Drilling torque | 1500 N·m | 1106.3 ft·lbs | |
Max. Rotation torque | 2300N·m | 1696.1 ft·lbs | |
Engine | Rated power | 176 KW/2200 rpm | 236 hp |
Fuel tank | 350 L | 92.5 gal | |
Two-stage air compressor | Max. Working pressure | 18 bar | 261.1 psi |
Max. displacement | 15 m³/ min | 529.7 ft ³/min | |
Drill boom type | High strength single straight boom | ||
High strength steel feed beam Chain motor type | Total length | 6150 mm | 20.2 ft |
Travel length | 3700 mm | 12.1 ft | |
Feed extension | 1200 mm | 3.9 ft | |
Max. Feed rate | 0.93 m/s | 3.05 ft/s | |
Max. Feed force | 12 kN | 2697 lbf | |
Max Tractive pull | 18 Kn | 4046 lbf | |
Adjustable flat chssis | Traveling speed | 1.5/3 km/h | 0.93/1.86 mph |
Max. Traction force | 83 k N | 18667 lbs | |
Gradient | 30° | ||
Track oscillation | ±10° | ||
Ground clearance | 410 mm | 16.1 in | |
Transportation Condition | Weight | 12000 kg | 26455 lbs |
Size(L*W*H) | 8900*2300*3000mm | 2.92 ft* 7.55 ft*9.84 ft |
GMD40 has flexible application and reliable performance, high production capacity strong adaptability, and good drilling quality. lt is possible to accelerate the stripping speed and control the dilution rate through combination and pre splitting drilling, The lighter weight and compact size meet the transfer of machines between construction sites and steps. Due to its excellent flexibility and strong operational capabilities, it is widely applicable in fields such as infrastructure construction and mining production.
1. Yuchai Engine YCA07240-T300 Power 176 kW
2. Two-stage air compressor l5m³/min l8bar
3. Automatic rod changing system
4. Dry dust collector with automatic filter cleaning
5. High strength aluminum alloy feed beam
6. Dual speed hydraulic traveling motor
7. Electric fuel refueling pump
8. Air-conditioned cab
- Efficient drilling ability: It can complete drilling tasks quickly and accurately, greatly improving work efficiency. For example, in mining, it can drill more holes in less time than conventional drilling equipment. Equipped with a powerful power system, so that it can cope with various hardness of geological conditions, maintain a stable drilling speed.
- High precision drilling quality: Advanced positioning and guidance system ensures accurate position and Angle of borehole. This is of great significance for projects that require the precise layout of boreholes, such as building foundation construction. The drilling surface is smooth, reducing subsequent processing processes and improving the overall project quality.
- Stability and reliability: With a robust structural design, it can operate stably in harsh working environments for a long time. For example, it can still maintain good performance in high temperature, high humidity or dusty environments. High-quality components and strict quality control reduce the probability of equipment failure, reducing maintenance costs and downtime.
- Ease of operation: Humanized operation interface and control system, so that operators can easily get started, reduce training costs. With intelligent monitoring and diagnosis functions, it is convenient for operators to know the equipment status in time and make necessary adjustments and maintenance.
- High safety performance: Equipped with multiple safety protection devices, such as overload protection, emergency braking system, etc., effectively ensure the life safety of operators. Meet strict international safety standards to reduce safety risks at work.
- Energy saving and environmental protection: Optimized energy utilization system to reduce energy consumption and reduce environmental impact. Low noise design to reduce noise pollution at the work site.
- You're adaptable: Different drill bits and accessories can be replaced according to different work needs, to adapt to a variety of drilling specifications and geological conditions. It is easy to move and transport, and can be quickly carried out in different work locations.


1. What about the warranty time?
A:12 months after shipment or 2000 working hours,whichever occurs first.
2. What about the delivery time?
A:20 days after receiving the deposit.
3.What kind terms of payment can be accepted?
A:On T/T term, 30% down payment is required in advance, and 70% balance shall be before shipment, or
against the copy of original BL for old client.
On L/C term, 100% irrevocable L/C without"soft clause" can be accepted.
4.What logistics ways we can work for shipment?
A: We can ship machine by sea and road.