BR777i Heavy Duty Small hydraulic breaker

Sandvik BR777i Heavy Duty Small hydraulic breaker has been designed for the toughest of applications. The breaker can be utilized in a number or different duties, thanks to its ability to be mounted on a wide range of carriers.

The durable, low-maintenance design of the BR777i Heavy Duty Small breaker features a membrane-type accumulator to ensure constant maximum impact power and eliminate the need for recharging in the field. This enables consistently high productivity while maintaining stability and safety.

The field-replaceable tool bushing and other proven, intelligent features keep maintenance downtime to a minimum and productivity high even in the most challenging environments.


  • Factory-installed RD3 remote monitoring device for superior fleet management
  • CBE (Constant Blow Energy) gives consistent performance
  • No-tie-rods design enables fast and easy servicing without special tooling required
  • Membrane-type accumulator ensures constant maximum impact power and removes the need for time-consuming recharging
  • Quick-change tool bushing makes maintenance easy, fast and safe
  • Heavy-duty housing withstands high temperature and extreme wear
  • Broad carrier range gives the breaker real versatility
Technical data
Working weight, kg (lb) 415 (910)
Impact rate, bpm 500–1700
Operating pressure, bar (psi) 90–140 (1,305–2,030)
Tool diameter, mm (in.)70 80 (3.15)
Acceptable oil flow, l/min (gal/min) 40–120 (10.6–31.7)
Mini excavator weight, allowed range, t (lb) 4.3–9.5 (9,500–20,900)
Skid steer weight, allowed range, t (lb) 2.6–6.3 (5,700–13,900)