YDQ40  Excavator Drill Attachment:
Length: 4100mm
Weight: 280kg
Depth of vertical or horizontal hole: 3500mm
Max depth: 6000mm
Drill rig rotation: ±180°
Air flushing: 1.0CBM piston compressor
Control: Electric&Hydraulic
HD30 Hydraulic  Rock Drill:
Mainframe: 0.6*0.173*0.19M
Weight: 30kg
Oil  Pressure:  15-18Mpa
Flow: 30-35L
Impact Energy: 55-60J
Impact Frequency: 55-60Hz
Torque:  50-55Nm
Rev: 250-300r/min
Flushing Water Pressure: 0.3-0.5mpa
http://www.dsrockdrill.com