Sandvik Construction provides solutions for construction industries in niches such as quarrying, tunneling, demolition, dimensional stone, recycling and civil engineering.

BB4940/R Breaker boom

Sandvik BB4940R medium range booms are typically used in quarry and mining applications to enhance productivity of stationary crushers by feeding material to the crushers and raking the hopper area.

Medium range booms are designed to withstand tougher duty cycles and can also be used in more demanding applications like underground grizzlies.


  • Stationary crushers
  • Grizzlies
  • Gyratory crushers

Features and benefits

  • Optimized and robust design
  • Round pedestal
  • Shock absorbing pedestal mounting
  • Arctic steel option
  • Suitable breakers from Medium Range BR1533->

Key specifications



Weight, kg 7900 6350
Maximum reach, m 11.4 11.6
Nominal horizontal reach (H), m 9.2 9.4
Nominal vertical reach (V), m 7.8 7.6
Swingo 170 360
Base diameter, m 1.86 1.40
Recommended breaker type BR2155, BR2577 BR2155, BR2577
Recommended power packs HA37, HA45 HA37, HA45

Related information

Contact us

Rammer products

Bretec products

Article functions

Contact us