Manual

10 LRB 255
Double rotary drilling
Model DBA 300
Hydraulic casing guide
Display for double rotary drilling
Technical data
Drilling drive I – torque 300 kNm
Drilling drive I – speed
26 rpm
Drilling drive II – torque
150 kNm
Drilling drive II – speed
31 rpm
*) Other drilling diameters and drilling depths available on request
Performance data
Max. drilling diameter* 900 mm
Max. drilling depth*
18.5 m
Max. pull force (crowd winch and Kelly winch)
850 kN