Hydraulic breaker SB tunnel version

Take these harsh conditons with our underground hydraulic breakers.


The SB tunnel version is perfectly adopted for scaling, wall & roof profiling and other tough underground jobs.

Technical specifications

Carrier weight class ¹

4,5 t - 9 t

Service weight ²

315 kg

Working tool diameter

80 mm

Working length of tool

400 mm

Hydraulic input power, max

15 kW

Oil flow

50 l/min - 80 l/min

Operating pressure

100 bar - 110 bar

Impact rate

950 blows/min - 1 250 blows/min

Sound power level, guaranteed ³

118 dB(A)
  1. Weights apply to standard carriers only. Any variances must be agreed with Epiroc and/or the carrer manufacturer prior to attachment. 
  2. Attachment with standard working tool & average-sized adapter plate. 
  3. EN ISO 3744 in accordance with directive 2000/14/EC

Full details of measurement are available in the safety and operating instructions

More information

SB 302 tunnel

Product picture SB 302 T

All you need to know about SB 302 Tunnel

Application examples