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The SB 302 scaller solid body breaker

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