Extreme Heavy Duty Pedestal Boom for Large Gyratory Crusher Applications – RB850 XD

Atlas Copco offers RB850 XD, a two section boom that is exclusively designed for heavy duty grizzly and large gyratory crusher applications. The equipment has a horizontal reach of approximately 8.2 m and is integrated with the AutoLube automatic boom lubrication system and the SlewDevice with 270 degree rotation. In addition, the pedestal boom includes the FlexiBase shock and vibration absorbing system for increased life expectancy.

Key Features

The product features of the RB850 XD pedestal boom are:

  • HB2500, HB3600 or HB4700 breaker for improved productivity
  • FlexiBase shock and vibration absorbing system promotes increased life expectancy
  • AutoLube automatic boom lubrication system increases boom’s life expectancy and enables ease of maintenance
  • SlewDevice with 270 degree rotation provides optimum reach and easy maintenance


The specifications of the RB850 XD pedestal boom are provided in the table below:

Technical Specifications  
Duty Extreme
Application Grizzly, Gyratory crusher
Horizontal reach (breaker vertical), max 8 m
Vertical reach (excluding breaker), max 2.7 m
Swing 270
Number of boom sections 2
Power pack 110 kW
Radial raking depending on reach, max at 2 m 1375 - 5500 kg
Axial raking 3500 kg
Operating mass excluding breaker, Power pack and control console 22000 kg
Recommended breaker weight 2500 - 4200 kg
Hydraulic breaker HB2500, HB3100, HB4700
FlexiBase Yes 100

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