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

6,5 t - 13 t

Service weight ²

450 kg

Working tool diameter

95 mm

Working length of tool

470 mm

Hydraulic input power, max

19 kW

Oil flow

70 l/min - 100 l/min

Operating pressure

100 bar - 110 bar

Impact rate

850 blows/min - 1 150 blows/min

Sound power level, guaranteed ³

122 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

Product picture SB 452 T

SB 452 T

All you need to know about SB 452 Tunnel

Application examples