FlexiROC D55: Down-the-hole rig - Atlas Copco USA

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FlexiROC D55: Down-the-hole rig

Atlas Copco Mining and Rock Excavation

800 732 6762

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FlexiROC D55 is an equally versatile and efficient down-the-hole drill rig that keeps your production up and your costs down. Thanks to its flexibility and overall drilling capacity, it’s just as perfect for quarry blast hole drilling as for mining operations. The precise DTH drilling empowered by our unique cylinder feeding improves blasting, and running at lower rpm means longer engine life, less fuel consumption and low lifetime cost. The reliable design keeps the rig where it belongs: in the quarry.

Features & benefits

  • Go-anywhere low center of gravity and high ground clearance
  • Highly efficient in quarrying and mining
  • More uptime due to high degree of service and parts commonality

Technical data

Technical Specifications
Hole diameter3 1/2 - 6 inch
Product seriesFlexiROC
Drilling methodDTH
Cabin (Y/N)Yes

Atlas Copco Fluids

Atlas Copco Fluids
Atlas Copco machines have been built to last. To safeguard the high operating standards and to benefit fully from the machines’ high reliability and long service life, it is essential to use only the most appropriate lubricants. Atlas Copco lubricants match our precision mechanics and Atlas Copco oil and grease guarantee the optimal performance of every Atlas Copco component.
  • Oils
  • Grease
  • Coolants

Maintenance and overhaul

CMT Parts and Services
Regular servicing of your rig is needed to maintain long lasting performance. Atlas Copco service kits make each service easy and ensure that you have a rig that is ready for many hours of drilling. We offer three types of maintenance and overhaul kits.
  • Preventive Maintenance
  • Planned corrective
  • Overhaul


Boost productivity and customize your Atlas Copco equipment.
  • Engine conversion kits
  • Dimension kits
  • Rock drill upgrade
  • Software upgrade
  • Hole navigation system (HNS)
  • Reverse circulation system

Tools and Accessories

Tools and Accessories are useful products that simplify for keeping Atlas Copco machines in optimal conditions.

  • Accumulator charging kits
  • Rock drill overhaul tools
  • Central lubrication system (CLS) spare part kit

Customized solutions

CMT Parts and Services
We offer tailor-made solutions upon customers request.
  • Complete feeds
  • Rod handling systems
  • Power Packs
  • Hydraulic drilling units (HDU)
  • Watermist
  • Hole navigation system (HNS)

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Atlas Copco Mining and Rock Excavation

800 732 6762

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