Boomer L2

Hydraulically controlled face drilling

rig with a coverage area up to 104 m²

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Fast and ­efficient
face drilling
The Boomer L2 is a powerful hydraulically controlled face drilling rig for mining
and tunnelling. It is equipped with two BUT 35 heavy-duty booms that offer quick
and easy positioning. The burly booms boost your productivity by helping you
achieve your advance-rate goals, regardless of local ground conditions.

Main benefits
Robust and dependable thanks to components crafted for
extreme durability and systems based on standard parts

Outstanding drill economy with rock drill options like COP

1638HD+, COP 1838HD+ or COP 2238HD+ which offer dual
damping and remarkable longevity
BMH 6000-series aluminium feed with
Safety and control with excellent visibility thanks to the high bending and torsional resistance
COP rock drills feature dual damping
FOPS certified telescopic protective roof or the comfortable, for high-speed drilling and greater
ergonomically designed FOPS and ROPS certified cabin drill steel longevity
Dual BUT 35 booms offer
fast and easy positioning

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 Technical specifications  = Standard  = Option

Advancements to help you progress Drilling system

COP 1638HD+

COP 1838HD+


Electrical system
Total installed power: 158 kW

Main motors: 2x75 kW

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
With its hydraulic-controlled drilling system, the forceful Boomer L2 clears the way to help COP 2238HD+  Voltage: 380–1 000 V 

you keep on the advance in your mining and tunnelling operation. Hard-wearing COP rock Air-water mist flushing: External air and water supply, oil cooled by water,
external air and water supply, oil cooled by air fan, internal air and water 
Frequency: 50–60 Hz 
Starting method: star/delta (1 000 V direct start) 
drills provide excellent penetration rates in any rock conditions. supply, oil cooled by water, internal air and water supply, oil cooled by air fan
Starting method: DOL (1 000 V) 
Big hole drilling system 
Electronic overload protection for electric motors 
Percussion hour meter on operator display 
Boom Digital voltmeter/amperage meter in electric cabinet 
+ Easy to operate and maintain BUT 35 M  Phase sequence indicator 
Boomer L2’s ergonomically designed cabin creates an ideal operator BUT 35 L  Earth fault indicator 
environment. A user-friendly control interface enables the operator to easily Service platform P2  Battery charger 
monitor and control all functions of the rig to maintain an optimal workflow. The Automatic boom lubrication kit, rear part of boom  Transformer: 8 kVA 
robust Boomer L2 is also designed for ease of maintenance with easy access to Working lights, halogen: 2x1 000 W 
all service points. Cable reel, diameter: 1 600 mm 
Feed
Dual controls for cable reel 
BMH 6800-series 14 ft, 16 ft, 18 ft, 21 ft 
Stainless steel electrical enclosure 
BMHS 6800-series 14 ft 
Electric cable type H07RN-F or Buflex 
Telescopic feed BMHT 6000-series 
+ Performance and flexibility Extension drilling set BSH 110 (BMH feeds only) 
Plug for cable 
Switch gear 
The Boomer L2 is powered by a 4-cylinder diesel engine that combines Feed prepared for RAS 
Electric outlet for accessories, 16 A (CE and not for 1 000 V) 
powerful performance with low emissions for a lower environmental impact. Rod Adding System, RAS 
Extra transformer 3-phase, 15 kVA, 230/400 V 
The rig’s diesel-driven hydraulic power source provides outstanding flexibility. Mining (heavy duty) drilling centraliser 
Starting method – soft start (not for 1 000 V) 
Engines are available as stage III A approved.
Air/water system
Carrier
Hydraulically driven screw compressor: Epiroc GAR 5 
Deutz TCD 2013 L04, Stage IIIA/Tier 3, 120 kW 
Hole blowing kit with 80 l air receiver 
Compressor, GAR 30 Deutz TCD 4.1 L04, Stage V, 115 kW 

Water booster pump: capacity at 15 bar: 250 l/min Deutz TCD 6.1 L06, CN4, 129 kW 

+ Cop 1800HD+ series hydraulic rock drills Min water inlet pressure at 200 l/min at preferred pressure of 2 bar 
Power rating at 2 300 rpm: 120 kW (160 hp) 
Rock drills in the COP 1800HD+ series are hard wearing, and the engine has Water hose reel 
Articulated steering: ±38° steering angle 
been crafted so you can enjoy long intervals between overhauls. The separate Fixed seat for tramming 
lubrication of driver and gear as well as pressurized side bolts and mating Four-wheel drive 
surfaces help to ensure reliable operation and low maintenance costs. The Hydraulic system Hydrostatic power steering system 
Low oil level indicator
powerful stepless and reversible rotation motor ensures high torque with  Hydrodynamic transmission: Clark 24000 
Oil temperature gauge on oil tank
variable speed control to better adapt to changing work conditions.  Front axle: Dana 114 
Electrical oil filling pump  Rear axle: Dana 114, ±8° oscillation 
Oil filter indicator  Automatic differential lock on front axle, limited slip 
Water cooled oil  Tyres: 14xR24 
Filtration: 16 µm  Tyres: 14xR24, foam filled 
Mineral hydraulic oil  Clearance outside axles: 19° front, 14° rear 

A comprehensive Control system

Hydraulic jacks, front: 2 extandable

Hydraulic jacks, rear: 2




service offering Direct Control System (DCS)

Pilot Control System (PCS/DCS 2)

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
Service brakes: 2 separate circuits

Emergency and parking brakes: SAHR

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
Fuel tank, volume: 100 l 
Even the best equipment needs to be Feed Angle Measurement system, FAM 1 
Exhaust catalyser 
serviced regularly to make sure it sustains Feed angle measurement system with drill plan handling and navigation, FAM 3 
Silencer 
peak performance. An Epiroc service Measure While Drilling (MWD)* 
Electric system: 24 V 
solution offers peace of mind, maximizing Underground Manager Pro (PC software) 
Batteries: 2x12 V, 125 Ah 
availability and performance throughout Underground Manager MWD (software) for analysis of data* 
Tramming lights: 6x40 W 24 V LED, 2x70 W halogen 
the lifetime of your equipment. We focus Certiq - telematics system 
Working lights: 4x80 W LED, 24 V DC 
on safety, productivity and reliability. Drill stop protection system (CE cetrified) 
Brake lights 
* Applicable only for BMH feed (not for BMHT feed and RAS)
Fire extinguisher 
By combining genuine parts and an Epiroc
Central lubrication system 
service from our certified technicians, we
Gradeability at max. load on drive wheels: 1:4 
safeguard your productivity – wherever Add-on options
Horn, beacon and reverse alarm 
you are. Hydraulic Swellex pump 
Shelf for drill bits and tools 
Rig washing kit with water hose and reel 
Fire suppression system AN SUL (manual/automatic) 
Boot washing kit 
Heater kit for hydraulic oil tank, diesel engine and electric motors 
Hose/cable guiding at water/cable reel 
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 Technical specifications  = Standard  = Option Technical specifications
Drifter rods Couplings Dimensions in millimeters
Rock drill Rod Min. hole diameter (mm) Rock drill Rod Diameter (mm) Length (mm)

R32-H35-R38 45 COP 1638HD+ R38 55 170

COP 1838HD+
R32-H35-T38 45 COP 2238HD+ T38 55 190

R32-H35-T38 Speedrod 45

SR35-H35-R38 Speedrod 45
COP 1638HD+ Recomended cable size and length
COP 1838HD+ SR35-H35-T38 Speedrod 45
Voltage Type Dimension (mm2) Diameter (mm) Length (m)
COP 2238HD+ SR35-H35-T38 45
380–400 V Buflex 3x185+3G35 56 90
SR35-R39-T38 45
440–500 V Buflex 3x150+3G25 52 100

3 091
R32-R39-T38 45 550 V Buflex 3x120+3G25 46 135

2 375
2 025
SR35-R39-T38 45 660–690 V Buflex 3x95+3G16 45 155 L2

SR35-R39-T38 Speedrod 45 1 000 V Buflex 3x50+3G10 33 200

Recommendations are given for surrounding temperature of 40° C and up to a
height of 2 000 m.
806 1 800 2 200 925
Extension rods for injection drilling/RAS 2 911 4 000 1 085
Rock drill Rod Min. hole diameter (mm) Noise and vibration 14 169

COP 1638HD+ Rnd 32 Speedrod 51 Operator sound pressure level in canopy, drilling, free
104±6 dB(A) re 20 uPa
COP 1838HD+ field (ISO 11201) Illustration shows rig with optional equipment mounted.
COP 2238HD+ Rnd 38 Speedrod 64 Operator sound pressure level in cabin, drilling,
75±3 dB(A) re 20 uPa
free field (ISO 11201)
Operator sound pressure level working close to
104±6 dB(A) re 20 uPa
machine, drilling, free field
Shank adapters Sound power level (ISO 3744), drilling, free field 128 dB(A) re 1 pW
Rock drill Rod Min. hole diameter (mm) Length Vibration levels seated, drilling (ISO 2631-1) 0.07±0.07 m/s^2
R38 38 435

2 550
Vibration levels standing, drilling (ISO 2631-1) 0.07±0.07 m/s^2
COP 1638HD+ T38 38 435

15º
COP 1838HD+
COP 2238HD+ R32 38 525

8 900

9 300
8 650
8 250
Cabin (optional)

25º
38º
T38* 38 525 1 900

15º
FOPS certified cabin, noise level <80 dB(A), height 3 044 mm including: Air
* Intended for RAS and extension drilling with BSH 110 conditioning unit, fixed seat, CD-changer


20º
Protection bars for front window 
Heating function for air conditioning (water transferred) 

2 175
200
Protective roof Electrical heater, 1.2 kW, 230 V (CE) 
R8

43
Manual spotlight, left and/or right  Joystick-controlled spotlights left and/or right  200

00
1 330
2 530 00
R4 43
3 035 80
0
11 700

12 400

12 800

13 400

Coverage area. Turning radius.

Dimensions Tramming speed

Width 2 550 mm On flat ground (rolling resistance 0.05) >14 km/h
Height with cabin 3 126 mm On incline 1:8 >6 km/h
Height roof up/down 3 091/2 375 mm
Length with BMH 6814 feed(s) 14 169 mm
Gross weight (depending on configuration)
Ground clearence 290 mm
Total, min/max 27 000/33 000 kg
Turning radius outer/inner 8 200/4 800 mm
Boom side, min/max 20 000/24 000 kg

Engine side, min/max 7 000/9 000 kg

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9869 0082 01e 2022-02 Örebro, Sweden. Legal Notice © Copyright 2022, Epiroc Rock Drills AB, Örebro, Sweden. All product names in this publication are trademarks of Epiroc. Any unauthorized use or copying of the contents
or any part thereof is prohibited. Illustrations and photos may show equipment with optional extras. No warranty is made regarding specifications or otherwise. Specifications and equipment are subject to change without notice.
Consult your Epiroc Customer Center for specific information.