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- High input/output efficiency ratio, for reduced and optimized energy consumption
- Easy maintenance with long intervals and service kits available
- Single body drifter prevents seizing and breakage issues
- High-frequency rotation engines designed for high speed drilling
- New generation of hydraulic thrust increases penetration speed, shanks life, rods and bits
- Optional hydraulic reverse percussion for long hole drilling applications
- Easy adaptation on carrier
- Large hydraulic hoses setup and configurations
OVERVIEW
- The most powerful Montabert drifter for underground drilling
- High efficiency ratio
- Single body drifter without tie rods
SPECIFICATIONS
Weight and dimensions
| Weight | 215 kg |
| Overall length without shank | 1,093 mm |
| Overall length with shank | 1,210 mm |
| Overall width | 333 mm |
| Height | 200.5 mm |
| Height above shank axis | 107.5 mm |
Impact rating
| Maximum output | 24–32 kW |
| Percussion flow range (max) | 150–170 l/min |
| Percussion pressure range (max) | 165–190 bar |
| Maximum impact frequency | 3,800–4,300 bpm |
| Maximum impact energy | 250–380 J |
Rotation specs
| 80 cc | 100 cc | 160 cc | |
| Maximum rotation speed (RPM) | 291 | 269 | 175 |
| Oil flow (l/min) | 65 | 75 | 78 |
| Maximum pressure (bar) | 210 | 210 | 210 |
| Maximum torque (Nm) | 670 | 840 | 1340 |
Flushing flow and pressure
| Water flushing | 130 l/min |
| Front end lubricating air consumption at 3bar | 250–300 l/min |