Description
The FRD FXJ770 Rock Breaker is designed for heavy-duty excavators between 44 and 75 tonnes. It delivers massive impact energy, up to 11,850 joules, ideal for quarrying, mining, and demolition work. The FXJ770 handles the toughest materials, including hard rock, reinforced concrete, and boulders.
This breaker uses a large 190 mm rod diameter and offers an effective rod length of 860 mm. It operates efficiently within an oil flow range of 250 to 340 liters per minute and operates at pressures from 16 to 18 MPa. The impact rate varies between 250 and 420 blows per minute, balancing power and precision.
Featuring a mono-block cylinder design, the FXJ770 reduces maintenance by minimizing moving parts. Replaceable front bushings and cylinder liners extend the tool’s life and simplify servicing. The breaker’s slim, robust body distributes pressure evenly and supports long-term durability.
Built-in dust intake prevention protects internal components, avoiding downtime and repairs. The FXJ770 also includes integrated noise and vibration reduction features, enhancing operator comfort and meeting strict site regulations. Advanced FRD Senci Lube greasing system provides consistent lubrication to key parts, reducing wear.
Multi-purpose tool options, including moil, wedge, and flat rods, adapt the breaker to different jobs easily. This versatility lets operators switch between breaking rock, concrete demolition, and secondary breaking tasks efficiently.
The FRD FXJ770 excels in demanding environments, offering maximum performance with low lifetime costs. It suits various carriers, with a design that supports quick installation and operation.
Choose the FXJ770 for superior breaking power, reliability, and efficient maintenance.
Machine Details
- Make: FRD
- Model: FXJ770
Looking for even more breaking power? Check out our full line of large FRD hydraulic breakers here
