Both machines permit parallel seam directional drilling of the construction seam vertically and horizontally with a large diameter and long hole lengths to allow for a better extraction of gas after mining.
Technical data (example):
Hole length: max. approx. 1000 m
Drilling diameter: approx. 170 mm to 195 mm
Drive: approx. 100t
Retraction force: approx. 120t
Torque: max. 23,500 Nm
Electric engine: 1140 V / 250 kw