DB420

2006 Boart Longyear DB420 Drilling Rig

Drill rig is designer for down the hole (DTH) drilling with 4-6 1/2" hammers using 3 to 3 1/2" drill pipe 3000 mm long.Drill rig is designer for down the hole (DTH) drilling with 4-6 1/2" hammers using 3 to 3 1/2" drill pipe 3000 mm long.Hydraulic pressure 280 bar with 230 liters per minute, Rotating head: Danfoss OMT 160, Engine Deutz BF4M1013 Diesel Engine produces 104 kW, Hydraulic operated support legs in 4 corners to stabilize machine in place for deep drilling operations, Drill boom specs: Feed length = 4000 mm Feed speed down = 3,9 m/min Feed speed precession = +/- 34 N Fast feed up 40 m/min Fast feed down 66 m/min Feed force down 35 kN Pull up force 70 kN Maneuverable drill boom with versatile 2 axis controls Air pressure connections: 2" female Max 30 bar Dynaset hydraulic pressure washer and water feeder for the air pressure line, to control drilling dust.