Atlas Copco DM30 grondboormachine

The DM30 is a crawler mounted
hydraulic tophead drive
multi-pass rotary drilling rig specifically designed for production blasthole drilling to depths of 90 ft (27.4 m) with a 30 ft (9.1 m) drill pipe change. An optional 4-rod carousel supports drilling to depths of 150 ft (45.7 m). Nominal diameter is 5 in to 6¾ in (127 to 171 mm). The DM30 generates a bit load force of up to 30,000 lbf (133 kN). An angle-drilling option is also available. Utilizing a diesel engine to drive the air compressor and hydraulic system
the DM30 can be configured for low pressure rotary or high pressure DTH drilling
Hole diameter 4 31/32 - 6 23/32 inch (127 - 171 mm)
Weight on bit 30000 lb (13600 kg)
Estimated weight 60000 lb (28 t)
Maximum hole depth 150 ft (45 m)
Single pass depth 26 ft (7.9 m)
Drilling method Rotary and DTH - Multi pass