D.C. Drive 224 kW (300 HP)
Connected power
Mains supply 415 volts, 50 Hz, 500 kVA
Diesel Genset supply 650 kVA unit with appropriate Load Bank
Compact design
5.8 m extended height
(plus 400 mm beams if required)
Pilot thrust
470 kN (106,000 lbs)
Reaming thrust
4,450 kN (1,000,000 lbs)
Reaming torque
225 kN m (166,000 ft lbs)
Pilot Drilling speed
0 – 70 rpm variable
Reaming speed
0 – 19 rpm variable
Transporter
sled with inbuilt erection device
Beams to allow hole break through
(if required)
Air consumption
23 m³/min @ 7 bar
Water consumption for cooling
approximately 75 litres/min
Water consumption for pilot drilling
approximately 700 litres/min
which is recirculated via sumps
Raiseborer weight
11.5 tonnes, including sled 19 tonnes