MD6420C Rotary Blasthole Drill Autonomous Ready

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Specifications

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)

Operating Environment

Altitude: Up to 4572 m (Up to 15,000 ft)
Maximum ambient rating (standard): 125 Â° F
Minimum ambient rating (standard): 30 Â° F
Note: Optional cold weather packages available

Pull-down/Hoisting Capacity

Retract rate: 0-33.5 m/min (0-110 ft/min)
Pull-down capacity: Up to 383 kN (Up to 86,000 lbf)
Hoist capacity: Up to 311 kN (Up to 70,000 lbf)
Drilling feed rate: 0-33.5 m/min (0-110 ft/min)
Head travel (16 m/50 ft mast): 720 in
Head travel (13 m/40 ft mast): 600 in
Head travel (10 m/35 ft mast): 480 in
Cable type â€“ 29 mm (1.125 in): DYFORM 8
Bit load force: Up to 41 346 kg (Up to 91,152 lb)

Rotary Drive System

Rotation speed: 0-137 rpm
Torque, dual motors: 0-17 313 Nâˆ™m (0-12,769 lbf-ft)

Operatorâ€™s Cab

Climate control: Roof-mounted, AC/heating/pressurizing unit
Floor area: 52.22 ft2
Height inside: 84.50 in
Location: To the right from the mast if facing rear deck from the rear end
Number of doors: Two (2) with windows (included in above)
Number of windows: 12
Other: Window wipers and washers
Type: Shock-mounted; two-man, integrated FOPS certified
Windows (tinted safety glass laminated in rubber mounting): 0.56 in

Undercarriage

Brake release: Automatic
Brakes: Spring set, hydraulic release
Front: Three-point oscillating type
Maximum drive horsepower per track: 290 hp
Number of rollers on each side: Total of 16: (13) lower rollers, (3) upper/carrier rollers
Track adjustment means: Hydraulic with grease gun
Track drive disconnect: Standard (manual)
Tram speed maximum: 1.41 mph
Rock guards/chain guards: Standard full-length guards
Gradeability mast down â€“ CDH (cab down hill): 25%
Gradeability mast down â€“ CUH (cab up hill): 13%

Drill Table and Work Deck

Table height off ground: 57 in
Components: Pipe loading guide roller
Components: Stationary rear deck
Components: Left rear swing gated handrail (dual gate design)
Components: Rear deck bit storage box with aluminum cover
Components: Hydraulically operated viewing hatch with LED hatch viewing spot light

Leveling Jacks

Lift capacity â€“ each: 114877 lbf
Number: 4
Pad diameter â€“ Non-drill end: 30 in
Pad diameter â€“ Drill end: 36 in
Stroke on non-drill end: 60 in
Stroke on drill end: 48 in

Accessories, Tools and Handling Equipment

Shock Sub (DTH Application): Thread â€“ API reg. 140 mm (5.5 in)
Top Adapter Sub: Diameter depends on pipe diameter
Top Adapter Sub: Top thread â€“ API reg. 140 mm (5.5 in)
Top Adapter Sub: Bottom thread â€“ depends on pipe diameter
Bit Sub (Rotary Application): Top thread â€“ depends on pipe diameter
Bit Sub (Rotary Application): Bottom thread â€“ API reg. 168 mm (6.625 in)
Bit Sub (Rotary Application): Table bushing roller-type or two-piece with replaceable liner
Pipe Rack (Inside the Mast): Carousel with stationary pods and breaker plates
16 m Configuration: 7.62 m (25 ft) Ã— 2 as starter and four pieces of 7.62 m (25 ft) in carousel
16 m Configuration: Outside diameter â€“ 194 mm (75â„8 in) or 219 mm (85â„8 in)
13 m Configuration: 12.19 m (40 ft) starter and five pieces of 12.19 m (40 ft) in carousel
13 m Configuration: Outside diameter â€“ 194 mm (75â„8 in) or 219 mm (85â„8 in)
10 m Configuration: 10.66 m (35 ft) starter and five pieces of 10.66 m (35 ft) in carousel
10 m Configuration: Outside diameter â€“ 194 mm (75â„8 in) or 219 mm (85â„8 in)
10 m Configuration: Length of drill â€“ 10.67 m (35 ft)
Winch System: Rating â€“ 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity
Winch System: Cable size â€“ 13 mm (0.5 in)
Pipe Handling: Sliding deck wrench
Pipe Handling: Fixed cable pipe catcher or optional hydraulic safety arm/pipe catcher with drill function interlock, when pipe catcher is not closed
Pipe Handling: Manually removable or optional hydraulically operated bit basket
Pipe Handling: Lifting bail-drill pipe/bit sub

Compressor (Standard): Poppit inlet, fixed displacement

Discharge air flow (sea level): 2000 ft3/min
Maximum operating pressure: 100 psi

Compressor (Optional): Type 1 â€“ Butterfly inlet, adjustable from half to full displacement

Discharge air flow (sea level): 2600 ft3/min
Maximum operating pressure: 100 psi

10-, 13- or 16-Meter Mast Configuration

Hole diameter: Up to 311 mm (Up to 12.25 in)
16 m/50 ft mast â€“ Depth single pass: 54 ft
16 m/50 ft mast â€“ Multi-pass: Up to 46.9 m (Up to 154 ft)
13 m/40 ft mast â€“ Depth single pass: 44 ft
13 m/40 ft mast â€“ Multi-pass: Up to 74.4 m (Up to 244 ft)
10 m/35 ft mast â€“ Depth single pass: 33.75 ft
10 m/35 ft mast â€“ Multi-pass: Up to 63.4 m (Up to 208 ft)
Angle drilling: 30Â° (in 5Â° increments)

Compressor (Optional): Type 2 â€“ Poppit inlet, fixed displacement

Discharge air flow (sea level): 1500 ft3/min
Maximum operating pressure: 10.3/24.1/34.4 bar (150/350/500 psi)
Hi/low pressure switch, bit oil injection system: 30 gal

Mainframe, Decks and Walkways

Jacks, mast pivot and deck: Welded integrally to mainframe
Machine deck: Access both sides

Engine â€“ C32 ACERT* (Standard)

Model: C32 ACERT
Rated horsepower: 912 hp
Fuel tank: 1514 L plus, 1703 L (400 gal plus, 450 gal)
Emissions: * The C32 ACERT engine meets U.S. EPA Tier 2/EU Stage II equivalent emission standards

Engine â€“ C32 ACERT* (Optional)

Model: C32 ACERT
Rated horsepower: 1039 hp
Fuel tank: 1514 L plus, 1703 L (400 gal plus, 450 gal)
Emissions: * The C32 ACERT engine meets Tier 2/Stage II equivalent emission standards

Controls

Manuals: Operations/maintenance manuals and all schematics are stored in drill monitor
Display: English control system display text ex-factory. May be changed to other languages by dealer.
Components: Basic engine shut down timer
Components: Drill performance and monitoring/diagnostics system
Components: Electronic compressor control
Electronic control:: â€“ Monitoring â€“ Diagnostic system
Components: Filter indicators
Components: High/low tram speed select (high only when mast is down) interlock
Components: HMI touch screen control
Components: Mast lock indicator
Components: ECM (Electronic Control Module) provides fast and reliable control of all drill functions
Components: Pump drive gearbox temperature sensor
Components: Rotary head RPM gauge â€“ digital
Components: Tram interlock, machine outside stability limits
Components: Tram interlock, pipe in hole
Components: Tram interlock, mast up and locked or down and parked
Components: Jack/tram interlock
Components: Cab environment control (AC, filter indicator, heat, fan speeds)
Components: Pipe positioner sensor
Components: Drill depth meter
Components: Drill function interlock, mast up and locked
Components: Rotary torque control
Components: Head clear interlock, rotary drive clear of carousel
Components: Winch interlock
Components: Jack pressure sensor
Components: Virtual rotary head travel stop
Components: Wiring for terrain interface provided

Base Machine

Components: Fuel tanks isolation valves
Components: Hydraulic tank with isolation valves and interlocks
Components: Slip resistant decks and walkways
Components: 3217 L (850 gal) fuel, (two tanks mounted under engine/compressor) with manual and remote fill
Components: Bolt-on hand rails with kick plates
Components: CatÂ® maintenance free batteries
Components: Stainless battery box, sliding drawer type
Components: Remote jump start terminals
Components: Tow hooks (front end)
Components: Lift lugs (for base machine minus mast)
Components: Walkways around the drill, 360 degrees
Components: Swing up steps, access/egress
Components: Self-closing gates
Components: Two stage mast raise cylinders
Components: Fixed dust curtains â€“ four sides