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The Atlas Copco (Epiroc) ROC L8 is a heavy-duty down-the-hole (DTH) crawler drill designed for pre-splitting and production drilling in quarries and open-pit mines. With a wide hole diameter range, significant drilling depth and a powerful onboard compressor, the ROC L8 delivers high penetration rates and straight, clean blast holes.
Key features and benefits of the ROC L8
- Wide application range: one crawler can be used for both pre-splitting and production drilling, reducing the need for separate small and large rigs on site.
- High penetration capability: compatible with Atlas Copco COP 44, COP 54 and COP 64 DTH hammers for productive drilling in hard rock.
- Powerful diesel engine matched to the hydraulic system and compressor ensures stable performance in demanding ground conditions.
- High-pressure onboard compressor: Atlas Copco screw compressor provides strong flushing air for clean blastholes and efficient explosive loading.
- Accurate hole positioning: optional electronic inclination and depth control helps maintain correct angle and depth for both pre-splitting and production patterns.
- Efficient rod handling: automatic tube handling system reduces manual work, shortens non-drilling time and improves safety around the feed.
- Break-out and guidance: hydraulic break-out table and double drill steel support simplify threading, help reduce drill steel wear and support hole straightness.
- Operator comfort and safety: spacious ROPS/FOPS cab with adjustable seat, good visibility over collaring and tramming, low noise level and effective climate control.
- Mobility and stability: heavy-duty crawler tracks, low centre of gravity and generous ground clearance for safe tramming on uneven benches.
- Serviceability: wide, lockable service doors and clearly marked hoses and components to simplify daily checks, maintenance and troubleshooting.
Technical specifications — Epiroc ROC L8
| Parameter | Value |
|---|---|
| Hole diameter range | 110–130 mm with COP 44; 134–152 mm with COP 54; 156–165 mm with COP 64 |
| Drill tube diameter | 89 / 102 / 114 mm (3 1/2" / 4" / 4 1/2") |
| Drill tube length | 6 m (20 ft) |
| Maximum hole depth | approx. 54 m (177 ft) |
| Diesel engine | Caterpillar 3196 ATAAC, 317 kW (431 hp) @ 2000 rpm |
| Fuel tank capacity | 775 l (approx. 200 US gal) |
| Compressor | Atlas Copco screw compressor XRV 9, 25 bar (363 psi), 405 l/s (858 cfm) |
| Feed length (total) | 11 250 mm |
| Feed travel length | 8 100 mm |
| Feed extension | 1 300 mm |
| Feed force | max. 40 kN |
| Feed rate | up to 0.92 m/s |
| Tramming speed | up to 3.4 km/h (2.1 mph) |
| Traction force | approx. 110 kN |
| Gradeability | up to 20° |
| Ground clearance | approx. 405 mm (16") |
| Rotation units | Hydraulic units DHR 48H-45 / -56 / -68, max. torque up to 6 200 Nm (4 550 lbf·ft) depending on configuration |
| Transport dimensions (approx.) | Length 11 250 mm; width 2 490 mm; height 3 995 mm |
| Operating weight | approx. 19 900 kg (without optional equipment) |
Spare parts and support for ROC L8
TechCom supplies OEM and high-quality aftermarket spare parts for the Epiroc ROC L8. Based on OEM catalogues and parts lists, our team helps you identify the correct part numbers, optimise stock and plan maintenance for your crawler drill fleet.
Contact us to request a quotation for Atlas Copco ROC L8 spare parts, service kits and compatible drilling tools for your quarry or open-pit operation.