B20 Side Mount

Superb Productivity

  • Outstanding impact power proved in the field.
  • Optimized tool length and design.
  • High grade steel and heat-treatment provides high output.
  • Outstanding Field-proven Reliability and Durability

  • Built for quarry, road construction, demolition, utility work and general construction.
  • Breaker design, manufacturing practices, quality inspection and testing of breakers provides durability required for tough applications.
  • All breakers are tested in accordance with ISO Quality Control System before delivery.
  • Easy Maintenance

  • Easy access to tool and bushings provides superior maintenance capability in the field.
  • Field replaceable lower tool bushing.
  • Full length side plates - easy access to service points.
  • Strong Cat® Service Support Network

  • Complete installation and service.
  • Parts available from Cat dealers.
  • Technical support from Cat dealers.
  • Select Units


    • Impact Energy Class 2950.0 ft·lbf 4000.0 J
    • Blows per Minute 400-800 400-800
    • Maximum Operating Pressure 2611.0 psi 18000.0 kPa
    • Minimum Operating Pressure 2321.0 psi 16000.0 kPa
    • Minimum Carrier Weight 39683.0 lb 18000.0 kg
    • Maximum Carrier Weight 55116.0 lb 25000.0 kg
    • Tool Diameter 5.3 in 135.0 mm
    • Maximum Operating Weight 3527.0 lb 1600.0 kg
    • Maximum Rated Flow 39.6 gal/min 150.0 l/min
    • Minimum Operating Weight 3527.0 lb 1600.0 kg
    • Minimum Rated Flow 33.0 gal/min 125.0 l/min
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