Atlas Copco Surface drill rigs
PowerROC D55
Hole diameter: 110–165 mm (4 5/16’’– 6 1/2’’)
Power up your performance with a partner you can trust
The PowerROC D55 is designed according to our philosophy of giving the customers a reliable drill rig with high capacity, maximum uptime and simplicity
in operation.
Powerful and economical in drilling
PowerROC D55 is equipped with an on board Atlas Copco C146 + S1S compressor delivering 271.3 l/s of air up to a pressure of 20 bar for high penetration
rate and strong flushing, helping to ensure straight and clean holes.
The straightforward hydraulic design with strong piston pumps delivers productivity and reliability even in demanding applications.
Maneuverability, mobility and safety in focus
The PowerROC D55 crawler has excellent maneuverability. The high ground clearance and fast tramming ability enables the rig to drill in tough terrain
and achieve safe transportation on site.
PowerROC D55 features a strong single section boom design, centrally located, this gives the operator a good view, offering easy and straightforward
positioning.
DTH hammers – strikingly efficient
The PowerROC D55 can be equipped with a range of Atlas Copco down-the-hole hammers which are well known for their high performance in terms of speed and reliability. With high penetration rates and low fuel consumption
per meter drilled Atlas Copco’s hammers make a positive impact on your bottom line.
Easy maintenance and serviceability
Like all our crawlers, the PowerROC D55 is designed for easy maintenance with ready access to service points. All hoses, cables and the simplified
electrical system are marked at each end to coincide with the schematic drawings in spare parts lists for easy trouble-shooting.
Main benefits
•Easy operation and maintenance in various drilling applications
•High reliability due to straightforward design
•Robust and highly productive thanks to the use of the proven Atlas Copco technology
01.Carousel rod handling system with deep hole capacity.
02.Hydraulic control system with focused performance leading to easy and simple operation.
03.Hydraulic feed system mounted on a durable aluminium beam.
04.High torque rotary head for optimum use of 4”-6” down-the-hole hammers.
05.The spacious operator cabin, is ROPS- and FOPS certified and is equipped with hydraulic pilot control joysticks.
06.Powerful diesel engine has good power margin for high productivity.
Technical Specification
Main application: Limestone quarries/Surface mining/Aggregate quarries
Drilling method: Down-The-Hole
DTH hammer:
QL 45 QM, QL 55 QM
QL 50 STD
QL 60 STD
COP 44
COP 54
COP 64
Drill steel: 89 mm/102 mm /114 mm
Hole diameter: 110-165 mm
Maximum hole depth: 29.4 m
Engine power:
Rating at 1800 rpm
261 kW (350 HP)
Available air flow (FAD):
271.3 l/s (575 cfm)