Epiroc PowerROC D55 — High-Performance DTH Drill Rig for Large Open-Pit Operations
Epiroc — Drill Rigs | Authorised partner in Armenia — Wayland Armenia
PowerROC D55 is a high-performance DTH drill rig for large quarry and open-pit mining. The powerful engine (~340 kW) and high-pressure compressor deliver record penetration rates in hard rock at 152–229 mm hole diameters.
Key specifications PowerROC D55
| Drilling method | DTH (down-the-hole) |
| Engine power | ~340 kW |
| Hole diameter | 152–229 mm |
| Application | Large open-pit operations |
Maximum Penetration Rate in Hard Rock
PowerROC D55 delivers outstanding penetration rate and bit life when drilling in hard and abrasive rock. The high-pressure compressor and powerful engine (~340 kW) ensure stable DTH hammer operation at large diameters and depths.
Hydraulic Feed and Rotation System
The reliable hydraulic feed and rotation system ensures optimal DTH hammer loading. The advanced electronic control system lets the operator precisely manage drilling parameters and work at maximum productivity.
Rod Changing and Reliability
The rod changing system is designed to minimise auxiliary operation time. Modular design simplifies transportation and assembly at remote sites.
Frequently asked questions about PowerROC D55
Which quarries is PowerROC D55 suited for?
PowerROC D55 is for large open-pit quarries with multi-million tonne annual output, requiring 152–229 mm holes in hard rock.
What hole diameter and engine power?
Hole diameter: 152–229 mm. Engine power: approximately 340 kW.
How does D55 improve on D45?
D55 is more powerful, drills larger diameters (152–229 vs 115–178 mm), and shows higher productivity at large quarries with higher output.
How does D55 differ from D60?
D60 has an even wider diameter range (165–254 mm) and compressor pressure up to 30 bar. D55 is the optimal choice for most large quarries where 229 mm maximum diameter is sufficient.
How do I order PowerROC D55 in Armenia?
Call +374 10 530 669 or fill in the form on this page.
