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Rotary drilling rig / blasthole - ø 229 - 311 mm | MD6420
CAT's Rotary Blasthole Drill model MD6420 is known for their robust structures and proven durability in all types of mining applications. It features a bit load of up to 42 000 kg / 92,594 lb. Its drill hole diameter ranges from 229 - 311 mm / 9.0 - 12.3 in.