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- Boom coverage of 8.89 m by 6.36 m (29′ 5” by 20′ 9″)
- Intelsense drilling control system
- Hydrostatic drive for lower profile and tighter turning radius
- Diesel powered for tramming and electric powered for drilling
- Jumbo hydraulics featuring variable displacement piston pumps
- Tier III EPA & MSHA certified engine options
- Montabert percussion drifter (HC-50 standard, HC-109 or HC-110 models available)
The DR-2SB hydraulic jumbo drill, a dual-boom hydraulic rig, is designed for drilling vertical, horizontal and angled holes in underground production or development headings. The DR-2SB has boom coverage of 8.89 m by 6.36 m (29′ 5” by 20′ 9″) and inner and outer turning radius’ of 4.09 m (13’ 5”) and 6.7 m (21’ 12”), respectively.
The DR-2SB features the Intelsense drilling control system, which includes the following features:
- Collaring
- Anti-jamming
- Automatic water monitoring with feed return if low pressure is encountered
- Auto return to start position after hole completion
- Control levers for operating percussion, rotation, and feed
The DR-2SB also includes robust drilling and carrier hydraulics that feature variable displacement piston pumps; specifically:
- Jumbo hydraulics: load-sensing, closed-circuit design for percussion, rotation, feed, and boom movements
- General hydraulics: load-sensing, closed center circuit design for optimal efficiency
- Steering hydraulics: load-sensing, closed center circuit design; stick steering with direct-acting control valve and two double-acting steer cylinders
Our ROPS/FOPS-certified, environmentally controlled operator’s cab uses advanced air filtration and a climate control system to insulate your operator from particulate matter and other harmful emissions. Noise is reduced significantly through the use of integrated insulation throughout the cab structure; in addition, vibration dampeners isolate the cab from the frame, ensuring a safe and comfortable ride.
| Weight | 18,370 kg | 40,500 lbs. |
| Maximum width | 2227 mm | 88 in. |
| Turning radius Inside Outside | 4090 mm 6649 mm | 161 in. 262 in. |
| Turning angle | 38º | 38º |
| Boom guide rollover | 360º | 360º |
| Boom extension | 1219 mm | 48 in. |
| Feed extension | 1520 mm | 60 in. |
| Boom coverage Height Width | 6360 mm 8891 mm | 250 in. 350 in. |
| Drifter | Montabert HC 50 (2) | |
| Tires | 12.00 x 24 | |
| Cable reel – type G-GC | 76.2 m | 250 ft. |
Montabert drifters
Our industry-leading Montabert drifters mean you receive the best possible drifter for your drill rig. Montabert HC series drifters have consistently, over the years, provided the lowest-per-drilled meter costs as compared to other drifters on the market.
Montabert drifters are known for:
- Longest maintenance intervals, resulting in highest availability
- Lowest maintenance costs
- Reliability
- Faster drilling speeds
- Lowest tool consumption
- Easiest to operate
- Highest penetration rates
- Lowest noise level
Montabert drifters provide maximum shock wave transmission; piston shape improvements mean that most of the shock energy goes directly to the bit, without tool fatigue. In addition, Montabert drifters excel in energy recycling; rebound energy is re-injected in the supply circuit, allowing the rebound energy to be used for the next cycle.
The HC-50 drifter is ideal for small headings and bolting application and is designed to reduce the lead length of the feed.
- Hole range: 45 to 76 mm
- Percussion output power: 13 Kw
- Blows per minute: 3750
The HC-109 drifter is ideal for production and development drilling and is designed for both underground and surface applications.
- Hole range: 45 to 102 mm
- Percussion output power: 18 Kw
- Blows per minute: 2900
The HC-110MT drifter is ideal for production and development drilling and is designed for both underground and surface applications.
- Hole range: 51 to 89 mm
- Percussion output power: 33 Kw
- Blows per minute: 4400