Hole diameter | φ90-203mm | 3.5-8 in | |
DTH hammer | 4 in/5 in/6 in/7 in | ||
Rod changing system | Drill rod storage | 5+1 | |
Drill rod diameter | 114 mm | 4.5 in | |
Drill rod length | 6 m | 19.7 ft | |
Max. Hole depth | 36 m | 118.1 ft | |
Hydraulic rotation head | Rotation speed | 0-80 rpm | |
Drilling torque | 3900N·m | 2876 ft·lbs | |
Max. Rotation torque | 6000N·m | 4425 ft·lbs | |
Engine | Rated power | 354 KW/1800 rpm | 474.6 hp |
Fuel tank | 850 L | 224.5 gal | |
Two-stage air compressor | Max. Working pressure | 25 bar | 362.6 psi |
Max. displacement | 26m³/ min | 918.6 ft ³/min | |
Drill boom type | High strength single straight boom | ||
High strength steel feed beam Chain motor type | Total length | 9470 mm | 311.4 ft |
Travel length | 6500 mm | 21.3 ft | |
Feed extension | 1600 mm | 5.3 ft | |
Max. Feed rate | 0.9 m/s | 2.95 ft/s | |
Max. Feed force | 40 kN | 8992 lbs | |
Max Tractive pull | 50 kN | 11240 lbf | |
Adjustable flat chssis | Traveling speed | 1.5/3 km/h | 0.93/1.86 mph |
Max. Traction force | 165 k N | 37085 lbs | |
Gradient | 25° | ||
Track oscillation | ±10° | ||
Ground clearance | 420 mm | 16.54 in | |
Transportation Condition | Weight | 21000 kg | 46297 lbs |
Size(L*W*H) | 12700*2500*3600mm | 41.7 ft* 8.2 ft*11.8ft |
1.The GMD70S is a diesel powered down-the-hole (DTH) drill rig designed for 90-203 mm drilling operations in pre-splitting and conventional production blasthole drilling. The rig has enhanced mobility, a smaller footprint and can serve multiple sites.
2.Introducing the powerful and efficient Cummins Engine QSZ13-C475 with a robust power of 354 kW, manufactured by Goodeng Machinery Co., Ltd. This innovative product is equipped with a two-stage air compressor, boasting a capacity of 26m³/min and 25bar.
3.The automatic rod changing system ensures seamless operation, while the dry dust collector with automatic filter cleaning enhances maintenance efficiency. The high strength aluminum traveling motor and dual-speed hydraulic traveling motor enable reliable and smooth movement.
4.Additionally, it features an electric fuel refueling pump and an air-conditioned cab for operator comfort. With a focus on performance and convenience, this product is a testament to Shanghai Goodeng International Co., Ltd.'s commitment to delivering high-quality equipment for diverse industrial applications
- 1.Cummins Engine Power 354 kW
- 2.Two-stage air compressor 26m³/min 25bar
- 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
- Low fuel costsThe new Cummins 354KW engine features lower emissions and compressor pressure control with load sensing, ensuring sustainable and cost-effective drilling.
- Robust design and easy maintenanceThe modular structure allows relevant personnel to easily carry out repairs and maintenance on the ground. The sturdy design is durable and increases the safety of daily work.




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.