hydraulic breaker50 Model Specification name parameter SB50 Total weight (kg) 866 Hydraulic oil pressure (kg/cm) 150-170 Hydraulic oil flow rate (1/min) 80-110 Striking frequency (BPM) 350-700 Drill rod diameter (mm) 100 Drill rod weight (kg) 57 Equipped with vehicle weight (T) 10-15