MD6420C Rotary Blasthole Drill Autonomous Ready

US
Metric

Overview

Specifications

Hole Diameter
Up to 311 mm (Up to 12.25 in)
Engine
C32 ACERT

Rotary Drive System

Torque - Dual Motors
0-17 313 N∙m (0-12,769 lbf-ft)
Rotation Speed
0-137 rpm

Drill Table and Work Deck

Table Height Off Ground
57.00 in
1448.00 mm

Leveling Jacks

Lift Capacity - Each
114877.00 lbf
511.00 kN
Number
4

Operating Environment

Altitude
Up to 4572 m (Up to 15,000 ft)
Maximum Ambient Rating - Standard
125.00 °F
52.00 °C
Minimum Ambient Rating - Standard
30.00 °F
-1.00 °C

Operator's Cab

Climate Control
Roof-mounted, AC/heating/pressurizing unit
Floor Area
52.22 ft²
4.85 m²
Height - Inside
84.50 in
2146.00 mm
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
14.00 mm

Undercarriage

Brake Release
Automatic
Brakes
Spring set, hydraulic release
Front
Three-point oscillating type
Maximum Drive Horse Power per Track
290.00 mm H2O
216.00 kg/mm
Number of Rollers - 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 mile/h
2.27 km/h

Compressor - Standard - Poppit Inlet, Fixed Displacement

Discharge Air Flow - Sea Level
2000.00 ft³/min
56.60 m³/min
Maximum Operating Pressure
100.00 psi
6.90 bar

Pull-Down/Hoisting Capacity

Retract Rate
0-33.5 m/min (0-110 ft/min)

Accessories, Tools and Handling Equipment

Shock Sub (DTH Application)
Thread – API reg. 140 mm (5.5 in)
Top Adapter Sub (1)
Diameter depends on pipe diameter
Top Adapter Sub (2)
Top thread – API reg. 140 mm (5.5 in)
Top Adapter Sub (3)
Bottom thread – depends on pipe diameter
Bit Sub - Rotary Application (1)
Top thread – depends on pipe diameter
Bit Sub - Rotary Application (2)
Bottom thread – API reg. 168 mm (6.625 in)

Compressor - Optional - Type 1 - Butterfly Inlet, Adjustable From Half To Full Displacement

Discharge Air Flow - Sea Level
2600.00 ft³/min
73.56 m³/min
Maximum Operating Pressure
100.00 psi
6.90 bar

Mast Configuration - 10, 13, or 16 Meters

Hole Diameter
Up to 311 mm (Up to 12.25 in)
16 m (50 ft) Mast - Depth Single Pass
54.00 ft
16.46 m
16 m (50 ft) Mast - Multi Pass
Up to 46.9 m (Up to 154 ft)
13 m (40 ft) Mast - Depth Single Pass
44.00 ft
13.40 m
13 m (40 ft) Mast - Multi Pass
Up to 74.4 m (Up to 244 ft)
10 m/35 ft Mast - Depth Single Pass
33.75 ft
10.29 m
10 m/35 ft Mast - Multi Pass
Up to 63.4 m (Up to 208 ft)

Pull-Down/Hoisting Capacity

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)
720.00 in
18.29 m
Head Travel (13 m/40 ft Mast)
600.00 in
15.24 m
Head Travel (10 m/35 ft Mast)
480.00 in
12.19 m
Cable Type - 29 mm (1.125 in)
DYFORM 8

Compressor - Optional - Type 2 - Poppit Inlet, Fixed Displacement

Discharge Air Flow - Sea Level
1500.00 ft³/min
42.50 m³/min
Maximum Operating Pressure
10.3/24.1/34.4 bar (150/350/500 psi)

Undercarriage

Rock Guards/Chain Guards
Standard full-length guards
Gradeability Mast Down - CDH - Cab Down Hill
25%
Gradeability Mast Down - CUH - Cab Up Hill
13%

Mainframe, Decks and Walkways

Jacks, Mast Pivot and Deck
Welded integrally to mainframe
Machine Deck
Access both sides

Leveling Jacks

Pad Diameter - Non-Drill End
30.00 in
762.00 mm
Pad Diameter - Drill End
36.00 in
914.00 mm

Accessories, Tools and Handling Equipment

Bit Sub - Rotary Application (3)
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 (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)
13 m Configuration (1)
12.19 m (40 ft) starter and five pieces of 12.19 m (40 ft) in carousel
13 m Configuration (2)
Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
10 m Configuration (1)
10.66 m (35 ft) starter and five pieces of 10.66 m (35 ft) in carousel
10 m Configuration (2)
Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
10 m Configuration (3)
Length of drill – 10.67 m (35 ft)
Winch System (1)
Rating – 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity
Winch System (2)
Cable size – 13 mm (0.5 in)
Pipe Handling (1)
Sliding deck wrench
Pipe Handling (2)
Fixed cable pipe catcher or optional hydraulic safety arm/pipe catcher with drill function interlock, when pipe catcher is not closed
Pipe Handling (3)
Manually removable or optional hydraulically operated bit basket
Pipe Handling (4)
Lifting bail-drill pipe/bit sub

Engine - C32 ACERT* - Standard

Model
C32 ACERT
Rated Horse Power
912.00 mm H2O
680.00 kg/mm
Fuel Tank
1514 L plus, 1703 L (400 gal plus, 450 gal)

Engine - C32 ACERT* - Optional

Model
C32 ACERT
Rated Horse Power
1039.00 mm H2O
775.00 kg/mm
Fuel Tank
1514 L plus, 1703 L (400 gal plus, 450 gal)

Specifications

Bit Load
Up to 41 346 kg (Up to 91,152 lb)

Mast Configuration - 10, 13, or 16 Meters

Angle Drilling
30° (in 5° increments)

Pull-Down/Hoisting Capacity

Bit Load Force
Up to 41 346 kg (Up to 91,152 lb)

Compressor - Optional - Type 2 - Poppit Inlet, Fixed Displacement

Hi/Low Pressure Switch - Bit Oil Injection System
30.00 gal (US)
114.00 l

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 (1)
Basic engine shut down timer
Components (2)
Drill performance and monitoring/diagnostics system
Components (3)
Electronic compressor control
Electronic Control
– Monitoring – Diagnostic system
Components (4)
Filter indicators
Components (5)
High/low tram speed select (high only when mast is down) interlock
Components (6)
HMI touch screen control
Components (7)
Mast lock indicator
Components (8)
ECM (Electronic Control Module) provides fast and reliable control of all drill functions
Components (9)
Pump drive gearbox temperature sensor
Components (10)
Rotary head RPM gauge – digital
Components (11)
Tram interlock, machine outside stability limits
Components (12)
Tram interlock, pipe in hole
Components (13)
Tram interlock, mast up and locked or down and parked
Components (14)
Jack/tram interlock
Components (15)
Cab environment control (AC, filter indicator, heat, fan speeds)
Components (16)
Pipe positioner sensor
Components (17)
Drill depth meter
Components (18)
Drill function interlock, mast up and locked
Components (19)
Rotary torque control
Components (20)
Head clear interlock, rotary drive clear of carousel
Components (21)
Winch interlock
Components (22)
Jack pressure sensor
Components (23)
Virtual rotary head travel stop
Components (24)
Wiring for terrain interface provided

Base Machine

Components (1)
Fuel tanks isolation valves
Components (2)
Hydraulic tank with isolation valves and interlocks
Components (3)
Slip resistant decks and walkways
Components (4)
3217 L (850 gal) fuel, (two tanks mounted under engine/compressor) with manual and remote fill
Components (5)
Bolt-on hand rails with kick plates
Components (6)
Cat® maintenance free batteries
Components (7)
Stainless battery box, sliding drawer type
Components (8)
Remote jump start terminals
Components (9)
Tow hooks (front end)
Components (10)
Lift lugs (for base machine minus mast)
Components (11)
Walkways around the drill, 360 degrees
Components (12)
Swing up steps, access/egress
Components (13)
Self-closing gates
Components (14)
Two stage mast raise cylinders
Components (15)
Fixed dust curtains – four sides

Leveling Jacks

Stroke - Non-Drill End
60.00 in
152.00 cm
Stroke - Drill End
48.00 in
122.00 cm

Drill Table and Work Deck

Components (1)
Pipe loading guide roller
Components (2)
Stationary rear deck
Components (3)
Left rear swing gated handrail (dual gate design)
Components (4)
Rear deck bit storage box with aluminum cover
Components (5)
Hydraulically operated viewing hatch with LED hatch viewing spot light

Operating Environment

Note
Optional cold weather packages available

Engine - C32 ACERT* - Standard

Emissions
* The C32 ACERT engine meets U.S. EPA Tier 2/EU Stage II equivalent emission standards

Engine - C32 ACERT* - Optional

Emissions
* The C32 ACERT engine meets Tier 2/Stage II equivalent emission standards
Features

Mandatory Attachments – POWER TRAIN

Mandatory Attachments – MAST

Mandatory Attachments – MAST

Mandatory Attachments – MAST

Mandatory Attachments – MAST

Mandatory Attachments – MAST

Mandatory Attachments – MAST

Mandatory Attachments – MAST

Mandatory Attachments – MAST

Mandatory Attachments – UNDERCARRIAGE

Mandatory Attachments – OPERATOR ENVIRONMENT

Mandatory Attachments – SERVICE STATION

Mandatory Attachments – COOLING

Mandatory Attachments – DUST SUPPRESSION

Mandatory Attachments – STAIRS

Optional Attachments

Optional Attachments

Optional Attachments

Sales Features

Mandatory Attachments – POWER TRAIN

Mandatory Attachments – MAST

Mandatory Attachments – UNDERCARRIAGE

Mandatory Attachments – OPERATOR ENVIRONMENT

Mandatory Attachments – SERVICE STATION

Mandatory Attachments – COOLING

Mandatory Attachments – DUST SUPPRESSION

Mandatory Attachments – STAIRS

Optional Attachments

Optional attachments may vary. Consult your Cat dealer for details.
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