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Guchuan SB121 / GCB320 Hydraulic Breaker Rock Breaker 155mm Chisel for 28-35T Excavator

Box Type Hydraulic Breaker
July 23, 2025
Category Connection: Hydraulic Hammer
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Tags:
#Box Type Hydraulic Demolition Hammer #75mm Hydraulic Breaker #30 ton mini excavator breaker
Brief: Introducing the Guchuan SB121 / GCB320 Hydraulic Breaker, designed for 28-35 ton excavators. This silent-type rock breaker delivers 6779J impact energy with just 123 dB noise, perfect for heavy demolition, quarrying, and urban construction. Experience OEM quality at a competitive price.
Related Product Features:
  • Silent-type hydraulic breaker with 123 dB noise level for quieter operations.
  • Delivers 6779J impact energy for powerful performance in tough conditions.
  • Designed for 28-35 ton excavators, ensuring compatibility and ease of use.
  • Advanced casing design with internal dampening materials for noise reduction.
  • Auto-Frequency Conversion technology adjusts impact rate based on material hardness.
  • Built for durability with high-strength, wear-resistant steels.
  • Proven interchangeability with leading Korean and Japanese models.
  • OEM-level quality at a competitive price for superior ROI.
Faqs:
  • What makes the Guchuan SB121 / GCB320 a 'silent-type' hydraulic breaker?
    The 'silent-type' designation refers to its advanced noise reduction features, including internal dampening materials, optimized impact mechanisms, and precision-matched components, resulting in a low 123 dB noise level.
  • What applications is the SB121 / GCB320 best suited for?
    This breaker is ideal for heavy demolition, quarry and mining operations, and urban construction in noise-sensitive areas like hospitals and residential zones.
  • How does the Auto-Frequency Conversion technology work?
    The technology intelligently adjusts the impact rate based on material hardness, lowering BPM for hard materials to maximize energy per blow and increasing BPM for softer materials for faster breakup.
  • What is the weight and compatibility of the SB121 / GCB320?
    The breaker weighs 2555 kg and is designed for 28-35 ton excavators, ensuring easy mounting and compatibility with leading models.
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