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Guchuan SB81 / GCB220 Box Silent Type Hydraulic Breaker 1978kg with 140mm Chisel Suitable for 18-26

Box Type Hydraulic Breaker
November 21, 2025
Category Connection: Box Type Hydraulic Breaker
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Tags:
#concrete breaker attachment excavator #hydraulic jack hammer #backhoe rock hammer
Brief: Observe the step-by-step operation and see practical examples of usage. This video demonstrates the Guchuan SB81 / GCB220 Box Silent Type Hydraulic Breaker in action, showcasing how it delivers elite breaking force while significantly reducing noise pollution. You'll see its intelligent auto-variable frequency system adjusting impact rates in real-time and witness its robust construction handling demanding rock breaking and demolition tasks in urban environments.
Related Product Features:
  • Advanced noise reduction system achieves a controlled noise level of 118 dB for urban and sensitive environment projects.
  • Intelligent auto-variable frequency adjusts impact rate from 350-500 BPM based on real-time material hardness.
  • Delivers powerful performance with 4,067 Joules of impact energy for efficient rock breaking and demolition.
  • Designed for 18-26 ton excavators with a body weight of 1978kg and 140mm chisel diameter.
  • Optimized hydraulic system ensures consistent performance with working flow rate of 120-180 L/min.
  • Robust construction features heavy-duty, wear-resistant components for extended durability and lower ownership costs.
  • Ideal for urban demolition, infrastructure projects, and quarry operations near noise-sensitive areas.
  • Reduces operator fatigue and hearing risk while maintaining high productivity during extended work shifts.
Faqs:
  • What makes the SB81 / GCB220 a 'silent-type' hydraulic breaker?
    The SB81 / GCB220 features specialized noise-dampening technology including an optimized shroud design, internal damping materials, and a precision-engineered impact mechanism that minimizes sound wave emission, achieving a controlled noise level of 118 dB.
  • What size excavators is this hydraulic breaker compatible with?
    This breaker is specifically designed for 18-26 ton excavators, with a body weight of 1978kg and requires a working flow rate of 120-180 L/min at 160-180 Bar pressure.
  • How does the auto-variable frequency system benefit operation?
    The intelligent auto-variable frequency system adjusts the impact rate (350-500 BPM) based on real-time material hardness, optimizing efficiency, protecting the carrier from hydraulic shock, and contributing to quieter, smoother operation.
  • What applications is this silent breaker best suited for?
    It's ideal for urban demolition, construction near hospitals and schools, infrastructure projects, quarry operations near communities, and 24/7 operations where noise regulations are strict.
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