MD6290 ROTARY BLASTHOLE DRILL
SPECIFICATIONS
Bit Loadup to 23 737 kg (up to 52,321 lb)
Hole Diameter152 - 244 mm (6.0 - 9.625 in)
EngineC15 (Tier 3) - 403 kW (540 hp) at 2,100 rpm


specifications
Bit Loadup to 23 737 kg (up to 52,321 lb)
Hole Diameter152 - 244 mm (6.0 - 9.625 in)
EngineC15 (Tier 3) - 403 kW (540 hp) at 2,100 rpm


rotary drive system
Horsepower capacity135 kW
Torque0-12 880 N·m (0-9,600 lbf-ft)
compressor standard oilflooded singlestage screw
Discharge air flow (sea level)30 m3/min
Maximum operating pressure8.6 bar
leveling jacks
Lift capacity (each)290 kN
Number4
Pad diameter610 mm
mainframe
Jacks, mast pivot and deckWelded integrally to mainframe
Machine deckAccess both sides
compressor optional oilflooded singlestage screw – option 2
Discharge air flow (sea level)48 m3/min
Maximum operating pressure6.9 bar
compressor optional oilflooded singlestage screw – option 1
Discharge air flow (sea level)35 m3/min
Maximum operating pressure8.6 bar
engine optional – c27 option 1
Fuel tank1382 L
engine optional – c27 option 2
Fuel tank1382 L
engine optional – c27 option 1
ModelC27 (Tier 2)
engine optional – c27 option 2
ModelC27 (Tier 2)
engine optional – c27 option 1
Optional fuel tank1071 L
engine optional – c27 option 2
Optional fuel tank1071 L
Rated horsepower652 kW
engine optional – c27 option 1
Rated horsepower597 kW
rated capacity
Bit/hole diameter152-244 mm (6-9.625 in)
Depth multi-pass (8 m/26 ft 3 in mast)Up to 45.1 m (Up to 148 ft 0 in)
Depth multi-pass (10 m/32 ft 9¾ in mast)Up to 52.7 m (Up to 173 ft 0 in)
Depth multi-pass (11 m/36 ft 0 in mast)Up to 32.3 m (Up to 106 ft 0 in)
operating temperature
Cold weather option-40.0 ° C
Maximum ambient rating (standard)52.0 ° C
Minimum ambient rating (standard)-1 ° C
engine standard – c15
Fuel tank1382 L
ModelC15 (Tier 3)
Optional fuel tank1071 L
Rated horsepower403 kW
compressor optional oilflooded twostage screw highpressure
Discharge air flow (sea level)38 m3/min
Discharge air flow (sea level)43 m3/min
Discharge air flow (sea level)33 m3/min
Maximum operating pressure10.3/24.1 bar (150/350 psi)
operator’s cab
Climate ControlWall mounted, AC/heating/pressurizing unit
Floor area3 m2
Height inside1943 mm
Number of doors2 with windows (included in above)
Number of windows10
OtherWindow wipers and washers
TypeShock-mounted; two-man, integrated FOPS certified
Windows (tinted safety glass in rubber mounting)6 mm
drill table and work deck
Drill deck area6.86 m2
Table height off ground1321 mm
accessories tools and handling equipment
Bit Sub – Table bushing (optional)Roller bushing or two-piece
Bit Sub – Table bushing (standard)One (1) piece insert
Drill Pipe (optional) – Diameter (customer specification)114 mm-178 mm (4.5 in-7.0 in)
Drill Pipe (optional) – Length9.14 m
Drill Pipe (optional) – Optional length10.67 m
Drill Pipe (optional) – Wall thickness19 mm
Drill Pipe (optional) – ThreadsDepends on pipe diameter
Note4-pod carousel for 8 m (26 ft 3 in) and 10 m (32 ft 9¾ in) mast, 2-pod carousel for 11 m (36 ft 0 in) mast
Pipe Rack (outside the mast) – Length of drill pipe9.14 m
Pipe Rack (outside the mast) – LocationOutside mast
Pipe Rack (outside the mast) – Optional length of drill pipe10.67 m
Pipe Rack (outside the mast) – Size of drill pipe/capacity – 11 m (36 ft 0 in) mast, 2 pipes114 mm to 178 mm (4.5 in to 7 in)
Pipe Rack (outside the mast) – Size of drill pipe/capacity – 8 m (26 ft 3 in) and 10 m (32 ft 9¾ in) mast, 4 pipes114 mm to 178 mm (4.5 in to 7 in)
Pipe Rack (outside the mast) – TypeCarousel, with stationary breaker plates
Top Adapter Sub – Bottom threadDepends on pipe diameter
Top Adapter Sub – DiameterDepends on pipe diameter
Top Adapter Sub – Length711 mm
Top Adapter Sub – Top thread (API Reg.)140 mm
Winch System (mounted on the mast) – Cable size13 mm
Winch System (mounted on the mast) – Rating1587 kg
pulldownhoisting capacity
Bit load forceUp to 23 737 kg (Up to 52,321 lb)
Cable type – 25 mm (1 in)DYFORM 8
Feed rate0-44.8 m/min (0-147 ft/min)
Head travel (10 m/32 ft 9¾ in mast)11.79 m
Head travel (11 m/36 ft 0 in mast)12.50 m
Rated hoist capacityUp to 210 kN (Up to 47,100 lbf)
Rated pull-down capacityUp to 267 kN (Up to 60,000 lbf)
Retract rate0-46.6 m/min (0-153 ft/min)
undercarriage
Brake releaseAutomatic
BrakesSpring set, hydraulic release
FrontThree-point oscillating type
Gradeability mast down53%/27.9 degrees
Maximum drive horsepower per track146 kW
Number of rollers on each side10
Rock guards/chain guidesStandard full-length guards
Tram speed – Maximum2.9 km/h
Tram speed – Two speed2.0 km/h