Hydraulic breaker for 4 ton excavator
Durable Through Bolt Design
The through bolt is made of hardened material to prevent accidental cracks, with a special design that effectively protects the breaker from shock damage, ensuring stable operation under heavy working conditions.
Easy-Maintenance Valve Assembly
The valve assembly features an easy-maintenance structure, which not only simplifies daily upkeep but also prevents the oil cylinder from deforming, extending the service life of core components.
Stable Accumulator Performance
The accumulator assembly compensates for pressure fluctuations in the hydraulic circuit and prevents pulsation, running reliably with only nitrogen gas—no frequent refills are needed, reducing operational hassle.
Our hydraulic breaker (Model 40) combines compact dimensions (910 mm in length, 95 kg in weight) with optimized hydraulic performance (15-25 l/min oil flow, 90-120 kg/cm² operating pressure) to perfectly suit 0.8-2.5 ton carriers. Built with hardened, shock-resistant components—including a durable through bolt, easy-maintenance valve assembly, and stable accumulator system—it delivers efficient rock-breaking power via a high-energy conversion piston and a heat-treated, application-specific chisel. The reinforced front head and precision hydraulic cylinder further ensure low vibration, long service life, and reliable operation, making it an ideal, cost-effective choice for light to medium-duty construction and demolition projects.
High-Efficiency Piston Energy Conversion
The piston converts kinetic energy into powerful hammering energy after hitting the chisel, efficiently transmitting impact force to break rocks, ensuring high work efficiency in demolition and mining tasks.
Sturdy Front Head Support
The front head provides full structural support for the entire breaker, with a thrust ring and thrust bushing that absorb shocks from the chisel, minimizing vibration and enhancing operational stability.
Wear-Resistant Heat-Treated Chisel
The chisel undergoes special heat treatment for exceptional durability. It can be customized into moil point, wedge type, or blunt tool variants to adapt to different rock-breaking and demolition applications.
Precision-Matched Hydraulic Cylinder & Nitrogen System 🧪
The cylinder and nitrogen (N₂) system work in tandem to maintain stable pressure, delivering consistent, powerful performance while reducing energy loss and ensuring smooth, continuous operation.



