Skip to main content

MD6420C


  • MD6420C - Rotary Drills
360 View

MD6420C

Hole Diameter
Up to 311 mm (Up to 12.25 in)
Engine
C32 ACERT
Bit Load
Up to 41 346 kg (Up to 91,152 lb)

Download

Related Materials
File Format Size

FEATURES & BENEFITS

Engine and Compressor

Low horsepower package: – Engine: Tier 2 equivalent, 680 kW (912 hp), 1,800 rpm – Compressor: 56.6 m3/min (2,000 ft3/min) @ 6.9 bar (100 psi), 1,800 rpm, poppit inlet – Fixed displacementHigh horsepower package: – Engine: Tier 2 equivalent, 775 kW (1,039 hp), 1,800 rpm – Compressor: 42.5 m3/min (1,500 ft3/min) @ 10.3/24.1/34.5 bar (150/350/500 psi), 1,800 rpm, poppit inlet – Hi/low pressure switch, bit oil injection system, 114 L (30 gal) for DTH – Fixed displacementHigh horsepower package: – Engine, Tier 2 equivalent, 775 kW (1,039 hp), 1,800 rpm – Compressor: 73.6 m3/min (2,600 ft3/min) @ 6.9 bar (100 psi), 1,800 rpm, butterfly inlet – Adjustable from half to full displacement

Mast, Pipe Carousel, 10 m

10 meter mast, five (5) pipe carousel Mast: – Up to 10.29 m (33 ft 9 in) single pass hole depth – Drill on tracks, changing bit above deck – Single pass hole using one (1) each 10.67 m (35 ft) length drill pipe – With bit sub 76 cm (30 in)Carousel: – Five (5) pipe capacity allowing 63.39 m (208 ft) total hole depth – Pipe diameter 194 mm (75⁄8 in) or 219 mm (85⁄8 in) – 10.67 m (35 ft) length drill pipe (drill pipe not included) – Bit load with one pipe up to 41 346 kg (91,152 lb) – Winch 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity

Mast, Pipe Carousel, 13 m

13 meter mast, five (5) pipe carousel with additional mast restMast: – Up to 13.4 m (44 ft) single pass hole depth – Drill on tracks, changing bit above deck – Single pass hole using one (1) each 12.19 m (40 ft) length drill pipe with bit sub 229 cm (90 in)Carousel: – Five (5) pipe capacity allowing 74.37 m (244 ft) total hole depth – Pipe diameter 194 mm (75⁄8 in) or 219 mm (85⁄8 in) – 12.19 m (40 ft) length drill pipe (drill pipe not included) – Bit load with one pipe up to 41 563 kg (91,630 lb) – Winch 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity

Mast, Pipe Carousel, 16 m

16 meter mast, four (4) pipe carousel with additional mast restUpper roller pipe catcher arm with drill function interlock when pipe catcher is not closedMast: – Up to 16.46 m (54 ft) single pass hole depth – Drill on tracks, changing bit above deck – Single pass hole using two (2) each 7.62 m (25 ft) length drill pipe – With bit sub 228.6 cm (90 in)Carousel: – Four (4) pipe capacity allowing 46.93 m (154 ft) total hole depth – Pipe diameter 194 mm (75⁄8 in) or 219 mm (85⁄8 in) – 7.62 m (25 ft) length drill pipe (drill pipe not included) – Bit load with two pipes up to 42 000 kg (92,594 lb) – Winch 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity

Rotary Application

Mast, 10 m – diameter, 194 mm (75⁄8 in) or 219 mm (85⁄8 in): – Tooling 194 mm (75⁄8 in) or 219 mm (85⁄8 in) diameter – Roller bushing – Bit sub 76.2 cm (30 in) long – Five (5) pipe retainerMast, 13 m – diameter, 194 mm (75⁄8 in) or 219 mm (85⁄8 in): – Tooling 194 mm (75⁄8 in) or 219 mm (85⁄8 in) diameter – Roller bushing – Bit sub 228.6 cm (90 in) – Five (5) pipe retainerMast, 16 m – diameter, 194 mm (75⁄8 in) or 219 mm (85⁄8 in): – Tooling 194 mm (75⁄8 in) or 219 mm (85⁄8 in) diameter – Roller bushing – Bit sub 228.6 cm (90 in) – Four (4) pipe retainer

DTH Application

Mast, 10 m – diameter, 194 mm (75⁄8 in) or 219 mm (85⁄8 in): – Tooling 194 mm (75⁄8 in) or 219 mm (85⁄8 in) diameter – Split bushing – Customer supplied bit sub – Five (5) pipe retainerMast, 13 m – diameter, 194 mm (75⁄8 in) or 219 mm (85⁄8 in): – Tooling 194 mm (75⁄8 in) or 219 mm (85⁄8 in) diameter – Split bushing – Customer supplied bit sub – Five (5) pipe retainerMast, 16 m – diameter, 194 mm (75⁄8 in) or 219 mm (85⁄8 in): – Tooling 194 mm (75⁄8 in) or 219 mm (85⁄8 in) diameter – Split bushing – Customer supplied bit sub – Four (4) pipe retainer

Top Sub/Shock Sub

Top sub, rotary application: – Standard for rotary application, DTH cannot use top subShock sub, dual application: – DTH has to use shock sub, optional for rotary application – Shock sub with crossover sub, rotary or DTH

Deck Wrench

Sliding deck wrench with standard bit basketSliding deck wrench with hydraulically operated bit basket

Drill Pipe Catcher

Pipe catcher, fixed cablePipe catcher, hydraulic drill function interlock

Undercarriage, 750 mm (29.53 in): – Undercarriage with full length rock guards and tram distance meter – 750 mm (29.53 in) triple grousers – Used for soft ground applicationUndercarriage, 600 mm (23.62 in): – Undercarriage with full length rock guards and tram distance meter – 600 mm (23.62 in) triple grousers – Used for hard ground application

Control Group

Standard (includes all parts listed under standard equipment)Deluxe (includes standard machine control group features) plus: – Auto leveling and retract – Automation/operator assist auto angleUltra (includes deluxe control group features) plus: – Auto drilling, excluding pipe change – One-touch drilling is only applicable when using single pass drilling

Fast fill, full service, rotary: – Full service center, fill and evacuation fuel, compressor, coolant, engine oil, hydraulic and gear box – 500 hours engine oil reserve system