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MD6420CNon-Current

MD6420C - 2015, Tier 2

Overview

MD6420C Rotary Blasthole Drill Autonomous Ready

Specifications

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

Mandatory Attachments – POWER TRAIN

Mandatory Attachments – MAST

Mandatory Attachments – OPERATOR ENVIRONMENT

  April 5, 2024

Specifications

Units: 
Operating Environment
Altitude Up to 4572 m (Up to 15,000 ft)
Maximum Ambient Rating - Standard
Minimum Ambient Rating - Standard
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)
Cable Type - 29 mm (1.125 in) DYFORM 8
Head Travel (13 m/40 ft Mast)
Head Travel (16 m/50 ft Mast)
Hoist Capacity Up to 311 kN (Up to 70,000 lbf)
Head Travel (10 m/35 ft Mast)
Bit Load Force Up to 41 346 kg (Up to 91,152 lb)
Drilling Feed Rate 0-33.5 m/min (0-110 ft/min)
Rotary Drive System
Rotation Speed 0-137 rpm
Torque - Dual Motors 0-17 313 N∙m (0-12,769 lbf-ft)
Operator's Cab
Climate Control Roof-mounted, AC/heating/pressurizing unit
Height - Inside
Floor Area
Number of Windows 12
Windows - Tinted Safety Glass Laminated in Rubber Mounting
Type Shock-mounted; two-man, integrated FOPS certified
Number of Doors Two (2) with windows (included in above)
Other Window wipers and washers
Location To the right from the mast if facing rear deck from the rear end
Undercarriage
Track Drive Disconnect Standard (manual)
Tram Speed - Maximum
Maximum Drive Horse Power per Track
Brake Release Automatic
Track Adjustment Means Hydraulic with grease gun
Front Three-point oscillating type
Number of Rollers - Each Side Total of 16: (13) lower rollers, (3) upper/carrier rollers
Brakes Spring set, hydraulic release
Gradeability Mast Down - CUH - Cab Up Hill 13%
Rock Guards/Chain Guards Standard full-length guards
Gradeability Mast Down - CDH - Cab Down Hill 25%
Drill Table and Work Deck
Table Height Off Ground
Components (3) Left rear swing gated handrail (dual gate design)
Components (1) Pipe loading guide roller
Components (4) Rear deck bit storage box with aluminum cover
Components (2) Stationary rear deck
Components (5) Hydraulically operated viewing hatch with LED hatch viewing spot light
Leveling Jacks
Lift Capacity - Each
Number 4
Pad Diameter - Drill End
Pad Diameter - Non-Drill End
Stroke - Drill End
Stroke - Non-Drill End
Accessories, Tools and Handling Equipment
Top Adapter Sub (3) Bottom thread – depends on pipe diameter
Bit Sub - Rotary Application (2) Bottom thread – API reg. 168 mm (6.625 in)
Bit Sub - Rotary Application (1) Top thread – depends on pipe diameter
Shock Sub (DTH Application) Thread – API reg. 140 mm (5.5 in)
Top Adapter Sub (2) Top thread – API reg. 140 mm (5.5 in)
Top Adapter Sub (1) Diameter depends on pipe diameter
Pipe Handling (2) Fixed cable pipe catcher or optional hydraulic safety arm/pipe catcher with drill function interlock, when pipe catcher is not closed
10 m Configuration (3) Length of drill – 10.67 m (35 ft)
16 m Configuration (1) 7.62 m (25 ft) × 2 as starter and four pieces of 7.62 m (25 ft) in carousel
16 m Configuration (2) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
Pipe Handling (1) Sliding deck wrench
13 m Configuration (2) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
10 m Configuration (2) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
Winch System (2) Cable size – 13 mm (0.5 in)
Winch System (1) Rating – 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity
Pipe Rack (Inside the Mast) Carousel with stationary pods and breaker plates
Pipe Handling (4) Lifting bail-drill pipe/bit sub
Pipe Handling (3) Manually removable or optional hydraulically operated bit basket
Bit Sub - Rotary Application (3) Table bushing roller-type or two-piece with replaceable liner
10 m Configuration (1) 10.66 m (35 ft) starter and five pieces of 10.66 m (35 ft) in carousel
13 m Configuration (1) 12.19 m (40 ft) starter and five pieces of 12.19 m (40 ft) in carousel
Compressor - Standard - Poppit Inlet, Fixed Displacement
Maximum Operating Pressure
Discharge Air Flow - Sea Level
Compressor - Optional - Type 1 - Butterfly Inlet, Adjustable From Half To Full Displacement
Discharge Air Flow - Sea Level
Maximum Operating Pressure
Specifications
Bit Load Up to 41 346 kg (Up to 91,152 lb)
Hole Diameter Up to 311 mm (Up to 12.25 in)
Engine C32 ACERT
Compressor - Optional - Type 2 - Poppit Inlet, Fixed Displacement
Discharge Air Flow - Sea Level
Hi/Low Pressure Switch - Bit Oil Injection System
Maximum Operating Pressure 10.3/24.1/34.4 bar (150/350/500 psi)
Controls
Components (4) Filter indicators
Components (18) Drill function interlock, mast up and locked
Components (13) Tram interlock, mast up and locked or down and parked
Components (17) Drill depth meter
Electronic Control – Monitoring – Diagnostic system
Components (2) Drill performance and monitoring/diagnostics system
Components (15) Cab environment control (AC, filter indicator, heat, fan speeds)
Components (14) Jack/tram interlock
Components (7) Mast lock indicator
Manuals Operations/maintenance manuals and all schematics are stored in drill monitor
Components (19) Rotary torque control
Components (21) Winch interlock
Components (16) Pipe positioner sensor
Components (1) Basic engine shut down timer
Components (3) Electronic compressor control
Components (22) Jack pressure sensor
Components (24) Wiring for terrain interface provided
Display English control system display text ex-factory. May be changed to other languages by dealer.
Components (6) HMI touch screen control
Components (23) Virtual rotary head travel stop
Components (11) Tram interlock, machine outside stability limits
Components (10) Rotary head RPM gauge – digital
Components (12) Tram interlock, pipe in hole
Components (8) ECM (Electronic Control Module) provides fast and reliable control of all drill functions
Components (5) High/low tram speed select (high only when mast is down) interlock
Components (20) Head clear interlock, rotary drive clear of carousel
Components (9) Pump drive gearbox temperature sensor
Mast Configuration - 10, 13, or 16 Meters
Angle Drilling 30° (in 5° increments)
16 m (50 ft) Mast - Depth Single Pass
10 m/35 ft Mast - Depth Single Pass
13 m (40 ft) Mast - Depth Single Pass
Hole Diameter Up to 311 mm (Up to 12.25 in)
10 m/35 ft Mast - Multi Pass Up to 63.4 m (Up to 208 ft)
16 m (50 ft) Mast - Multi Pass Up to 46.9 m (Up to 154 ft)
13 m (40 ft) Mast - Multi Pass Up to 74.4 m (Up to 244 ft)
Base Machine
Components (7) Stainless battery box, sliding drawer type
Components (4) 3217 L (850 gal) fuel, (two tanks mounted under engine/compressor) with manual and remote fill
Components (11) Walkways around the drill, 360 degrees
Components (9) Tow hooks (front end)
Components (12) Swing up steps, access/egress
Components (6) Cat® maintenance free batteries
Components (8) Remote jump start terminals
Components (3) Slip resistant decks and walkways
Components (15) Fixed dust curtains – four sides
Components (10) Lift lugs (for base machine minus mast)
Components (14) Two stage mast raise cylinders
Components (2) Hydraulic tank with isolation valves and interlocks
Components (1) Fuel tanks isolation valves
Components (5) Bolt-on hand rails with kick plates
Components (13) Self-closing gates
Engine - C32 ACERT* - Optional
Rated Horse Power
Model C32 ACERT
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
Mainframe, Decks and Walkways
Jacks, Mast Pivot and Deck Welded integrally to mainframe
Machine Deck Access both sides
Engine - C32 ACERT* - Standard
Fuel Tank 1514 L plus, 1703 L (400 gal plus, 450 gal)
Rated Horse Power
Model C32 ACERT
Emissions * The C32 ACERT engine meets U.S. EPA Tier 2/EU Stage II equivalent emission standards

Benefits & Features

Mandatory Attachments – POWER TRAIN

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 displacement
    • High 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 displacement
    • High 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

Mandatory Attachments – MAST

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 rest
    • Mast: – 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 rest
    • Upper roller pipe catcher arm with drill function interlock when pipe catcher is not closed
    • Mast: – 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 retainer
    • Mast, 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 retainer
    • Mast, 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 retainer
    • Mast, 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 retainer
    • Mast, 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 sub
    • Shock 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 basket
    • Sliding deck wrench with hydraulically operated bit basket

Drill Pipe Catcher

    • Pipe catcher, fixed cable
    • Pipe catcher, hydraulic drill function interlock

Mandatory Attachments – OPERATOR ENVIRONMENT

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 angle
    • Ultra (includes deluxe control group features) plus: – Auto drilling, excluding pipe change – One-touch drilling is only applicable when using single pass drilling

Optional Attachments

MAST ACCESS LADDER

    • Ladder to access mast, grating for maintenance inside mast
    • Posts only for lanyard attachment to use with cable for traveling hook and harness

OPERATOR ENVIRONMENT

    • Window Shades: – Included in hot climate package – Optional for other climate packages

ATTACHMENTS

    • Dust suppression
    • Hydraulic dust curtains: – Fixed curtains on left and right sides – Auto raise hydraulic lifted curtains for rear and front – Includes ECM control tram interlock if dust curtains are not up
    • Drill pipe: – Drill pipe, 194 mm × 7.62 m (75⁄8 in × 25 ft): - 194 mm (75⁄8 in) diameter, 7.62 m (25 ft) long, 152 mm (6 in) BECO threads - For use with 16 m mast – Drill pipe, 194 mm × 7.62 m (75⁄8 in × 25 ft): - 219 mm (85⁄8 in) diameter, 7.62 m (25 ft) long, 152 mm (6 in) BECO threads - For use with 16 m mast – Drill pipe, 194 mm × 9.14 m (75⁄8 in × 30 ft): - 194 mm (75⁄8 in) diameter, 9.14 m (30 ft) long, 152 mm (6 in) BECO threads - Recommended for 13 m mast DTH starter steel – Drill pipe, 194 mm × 9.14 m (75⁄8 in × 30 ft): - 219 mm (85⁄8 in) diameter, 9.14 m (30 ft) long, 152 mm (6 in) BECO threads - Recommended for 13 m mast DTH starter steel – Drill pipe, 194 mm × 10.67 m (75⁄8 in × 35 ft): - 194 mm (75⁄8 in) diameter, 10.67 m (35 ft) long, 152 mm (6 in) BECO threads - For use with 10 m mast – Drill pipe, 194 mm × 10.67 m (75⁄8 in × 35 ft): - 219 mm (85⁄8 in) diameter, 10.67 m (35 ft) long, 152 mm (6 in) BECO threads - For use with 10 m mast – Drill pipe, 194 mm × 12.19 m (75⁄8 in × 40 ft): - 194 mm (75⁄8 in) diameter, 12.19 m (40 ft) long, 152 mm (6 in) BECO threads - For use with 13 m mast – Drill pipe, 194 mm × 12.19 m (75⁄8 in × 40 ft): - 219 mm (85⁄8 in) diameter, 12.19 m (40 ft) long, 152 mm (6 in) BECO threads - For use with 13 m mast
    • Clean: – Blow down hose with nozzle: - Clean with air
    • Dust control: – Spray water on dirt when tramming starts – For use with water injection
    • Winch control: – Winch control, remote: - Remote pendant winch control
    • Platform: – Tank platform, fire suppression: - Holds up to three (3) of 113 kg (250 lb) tanks
    • JIB crane: – JIB crane, pedestal control: - Mounted on drill deck – JIB crane, remote control: - Radio remote control
    • Start up commissioning: – Factory service engineer on site for 12 working days to direct start-up and commissioning, and provide hands-on maintenance and operation training

Standard Equipment

  • POWER TRAIN
    • Engine, Cat C32 ACERT, Tier 2/Stage II equivalent, 1,800 rpm
    • Manifold covers, turbo and exhaust
    • Engine fire frame
    • Fire wall, engine and hydraulic drive
    • Exhaust pipe blankets
  • MAST
    • Hole diameter, up to 311 mm (121⁄4 in)
    • Rated capacity, up to 383 kN (86,000 lbf)
    • Pulldown/hoist system, single cylinder
    • Rotary drive, dual motors
    • 0-137 rpm, 0-17 313 N·m (0-12,769 lbf-ft) maximum torque
    • Angle drilling, up to 30 degrees
    • Mast locks and indicator in cab
    • Auto cable tensioning system
    • Hydraulic Operated Break-Out wrench (HOBO)
    • Shear bolt deck wrench cover
    • Dust hood with hinged quick change dust seal
    • Remote thread lube system
    • Mast lanyard mounting plates
  • OPERATOR ENVIRONMENT
    • Cab, shock mounted, insulated
    • Two-man extra-large FOPS
    • Cat operator seat with air suspension
    • Trainer's seat
    • Operator's console: split with stainless steel panels
    • Electric controls for drilling, tramming, leveling and auxiliary functions
    • Dome lights, overhead interior
    • Dash light
    • Two (2) hinged doors, heavy duty latching
    • Twelve (12) windows
    • Full front drill window
    • Roof window with protective cage
    • Windshield wipers, washer tank kit
    • Air conditioning/heating/pressurizing roof mounted, hydraulic driven
    • Cab ladder, roof platform and railing
    • Electric horn
    • Slope indicators
    • CD stereo kit with speakers
    • 24V to 12V converter
    • English control system display text may be changed to other languages
    • Electronic Control Module (ECM)
    • HMI touch screen control
    • Drill performance monitoring and diagnostics system
    • Drill depth meter
    • Travel stop, virtual rotary head
    • Jack/tram interlock
    • Tram interlock, pipe in hole
    • Tram interlock: mast up and locked or down and parked
    • Mast lock indicator
    • Tram speed select interlock: high only when mast is down
    • Tram interlock: machine outside stability limits
    • Drill function interlock mast up and locked
    • Head clear interlock: rotary drive clear of carousel
    • Winch interlock
    • Pipe positioner sensor
    • Jack pressure sensor
    • Rotary head RPM gauge, digital
    • Rotary torque control
    • Electronic compressor control
    • Filter indicators
    • Pump drive gearbox temperature sensor
    • Basic engine shut down timer
    • Cab environment control: AC, filter indicator, heat, fan speeds
    • Wiring for terrain interface
  • SAFETY AND SECURITY
    • Air hose safety sleeves (whip socks)
    • Hinged protective cage: for drill view window
    • Battery and starter disconnects with lock-outs
    • Eight (8) engine shut down buttons
    • Tram alarm
    • Strobe beacon on: – Cab and front left side of drill – Clearance light, mast crown
    • Twenty (20) lights for night drilling
    • Two (2) closed circuit cameras (front and left side) with monitor in cab
  • COOLING
    • Shutdown switch, low coolant level
    • Cooler fans, variable speed, ECM
  • FRAMES
    • Four (4) leveling jacks: – Two (2) × 121.9 cm (48 in) rear – Two (2) × 152.4 cm (60 in) front
    • Tow hooks, front end
    • Lift lugs, for base machine without mast
    • Mast raise cylinders, two stage
    • Walkways, around the drill, 360 degrees
    • Decks and walkways, slip resistant
    • Hand rails, bolt-on with kick plates
    • Swing up steps, access/egress
    • Self-closing gates
    • Stationary, rear deck
    • Hydraulic viewing hatch with LED hatch viewing spot light
    • Fixed dust curtains, four sides
    • Rear deck bit storage box with aluminum cover
    • Pipe loading guide roller
    • Left rear swing gated handrail, dual gate
    • Fuel tanks: – Two (2) tanks mounted below deck – 3217 L (850 gal) fuel – Manual and remote fill – Isolation valves
    • Hydraulic tank with isolation valves and interlocks
    • Cat maintenance free batteries
    • Battery box, stainless, sliding drawer
    • Cat remote jump start terminals
  • OTHER STANDARD EQUIPMENT
    • Standard Caterpillar colors
    • Foam injection connection
    • Loop filters between hydraulic pumps and motors
    • Return filters, hydraulic
    • Auto lubrication system, centralized
    • Feed traveling sheave lube provision
    • Hydraulic pressure test points

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