Liebherr LRB 155 - Manual (Page 6)

Drilling equipment
Technical data
С
С С
С
Double rotary drilling
Drilling drive I – torque 1 st gear 142,000 lbf ft
2 nd gear 71,000 lbf ft
Drilling drive – torque 1 st gear 165,000 lbf ft
2 nd gear 82,000 lbf ft
Continuous flight auger drilling
Max. drilling diameter 3.3 ft
Drilling drive I – speed 1 st gear 15 rpm
2 nd gear 30 rpm
Drilling drive II – torque 1 st gear 71,000 lbf ft
2 nd gear 35,000 lbf ft
Drilling drive II – speed 1 st gear 20 rpm
2 nd gear 40 rpm
Max. drilling diameter 3 ft
Drilling drive – speed 1 st gear 20 rpm
2 nd gear 40 rpm
6 LRB 155