20 Ton Excavator Hydraulic Rock Breaker with Lubrication Automatic Grease

20 Ton Excavator Hydraulic Rock Breaker with Lubrication Automatic Grease. Integrated Automatic Lubrication System Equipped with a built-in auto-grease pump to ensure constant lubrication and significantly reduce maintenance downtime. Advanced Silent Box-Type Design Fully enclosed housing reduces noise levels for urban work and provides 360 degree protection for the internal breaker body. Precision HMC-1000 Machining Core components processed by HMC-1000 centers for micron-level accuracy and maximum hydraulic impact efficiency. High-Strength Q355B Manganese Steel Manufactured with thickened manganese steel housing for extreme durability in heavy-duty demolition and mining. Devastating Impact Energy Engineered with a long-stroke piston design to deliver massive breaking force for reinforced concrete and hard rock. Factory-Direct OEM & Customization Professional manufacturing by Jinan Changhao with full support for custom paint colors and private logo branding.