Epiroc FlexiROC D55 Surface DTH Drilling Rig 90-152mm

Product Overview

The Epiroc FlexiROC D55 is a rugged and versatile surface down-the-hole drilling rig designed for mining, quarrying and production drilling applications.

Built on a proven drilling platform, the FlexiROC D55 combines reliable DTH performance with a robust feeding system and efficient compressed air delivery. It is especially suitable for production drilling, blast-hole drilling and auxiliary applications such as toe-hole drilling.

The rig supports hole diameters from 90 to 152 mm and drilling depths of up to 45 m. It is compatible with 4-inch and 5-inch DTH hammers, giving contractors flexibility across different rock conditions and drilling requirements.

Powered by a 328 kW diesel engine and equipped with an air capacity of 354 l/s FAD, the FlexiROC D55 provides the airflow and pressure required for efficient DTH drilling in demanding mining and quarry environments.

Its cylinder feed system helps provide accurate hole guidance, while the proven machine design supports high availability, easy servicing and long-term durability.

The FlexiROC D55 is a practical choice for mining companies, quarry operators and drilling contractors looking for dependable performance, productivity and straightforward maintenance.

Key Features

• 90–152 mm hole diameter range supports a wide variety of mining and quarry drilling applications.

• Maximum drilling depth up to 45 m for production and blast-hole drilling.

• 328 kW diesel engine provides strong power for continuous heavy-duty operation.

• 354 l/s FAD air capacity supports efficient DTH hammer performance.

• Compatible with 4-inch and 5-inch DTH hammers for flexible drilling requirements.

• Robust cylinder feed system improves drilling accuracy and hole guidance.

• Proven machine platform offers reliable performance and long service life.

• High parts commonality and service-friendly design help improve machine availability and reduce downtime.

Technical Specifications

| Item | Specification |
|---|---|
| Brand | Epiroc |
| Model | FlexiROC D55 |
| Product Type | Surface DTH Drilling Rig |
| Drilling Method | Down-the-Hole |
| Hole Diameter | 90–152 mm |
| Maximum Drilling Depth | 45 m |
| DTH Hammer Size | 4", 5" |
| Rotary Head | DHR6 H 45 / DHR6 H 56 |
| Engine Power | 328 kW |
| Air Capacity | 354 l/s FAD |
| Cabin | Yes |
| Transport Weight | Approx. 22,500 kg |
| Transport Dimensions | 11,350 × 2,500 × 3,500 mm |
| Main Applications | Mining / Quarrying / Blast-Hole Drilling |

Applications

• Open-Pit Mining
• Quarry Drilling
• Blast-Hole Drilling
• Production Drilling
• Toe-Hole Drilling
• Hard Rock Drilling

Service & Support

We provide support for equipment selection, machine inspection, spare parts supply and technical consultation.

Please send us your required hole diameter, drilling depth, rock condition and project application for accurate machine confirmation and quotation.