Guchuan sb121 / gcb320 Hydraulic Breaker Rock Breaker 155mm Chisel For 28-35t Excavator

Watch the demo to catch practical tips and quick performance insights. In this video, you'll see the Guchuan SB121/GCB320 hydraulic breaker in action, mounted on a 28-35T excavator. We demonstrate its powerful rock-breaking capabilities using the 155mm chisel, highlight key operational features, and share real-world application scenarios to help you understand how this equipment delivers efficiency and reliability in demanding construction environments.