B77C Pneumatic breaker is used in the road construction and installation project. A top-filling lubricator reservior with capacity for a normal working shift. Steel Retainer which makes tool changing rapid and easy. More comfortable handle grips to absorb vibration.

Weight:   38kg

Length:     763mm

Rammer dia: 57mm

Rammer stroke: 189mm

Air pressure: 0. 63Mpa

Impact frequency: 18. 3Hz

Air consumption : 34L/s

Air pipe inner dia : 19mm

Lubrication capacity : 30ml

Shank Size: 32*160mm