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MD6420C

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MD6420C 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

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

Overview

Specifications

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

Operating Environment

Altitude Up to 4572 m (Up to 15,000 ft) Up to 4572 m (Up to 15,000 ft) Less
Maximum Ambient Rating - Standard 125.0 °F 52.0 °C Less
Minimum Ambient Rating - Standard 30.0 °F -1.0 °C Less
Note Optional cold weather packages available Optional cold weather packages available Less

Pull-Down/Hoisting Capacity

Retract Rate 0-33.5 m/min (0-110 ft/min) 0-33.5 m/min (0-110 ft/min) Less
Bit Load Force Up to 41 346 kg (Up to 91,152 lb) Up to 41 346 kg (Up to 91,152 lb) Less
Cable Type - 29 mm (1.125 in) DYFORM 8 DYFORM 8 Less
Drilling Feed Rate 0-33.5 m/min (0-110 ft/min) 0-33.5 m/min (0-110 ft/min) Less
Head Travel (10 m/35 ft Mast) 480.0 in 12.19 m Less
Head Travel (13 m/40 ft Mast) 600.0 in 15.24 m Less
Head Travel (16 m/50 ft Mast) 720.0 in 18.29 m Less
Hoist Capacity Up to 311 kN (Up to 70,000 lbf) Up to 311 kN (Up to 70,000 lbf) Less
Pull-Down Capacity Up to 383 kN (Up to 86,000 lbf) Up to 383 kN (Up to 86,000 lbf) Less

Rotary Drive System

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

Operator's Cab

Climate Control Roof-mounted, AC/heating/pressurizing unit Roof-mounted, AC/heating/pressurizing unit Less
Floor Area 52.22 ft² 4.85 m² Less
Height - Inside 84.5 in 2146.0 mm Less
Location To the right from the mast if facing rear deck from the rear end To the right from the mast if facing rear deck from the rear end Less
Number of Doors Two (2) with windows (included in above) Two (2) with windows (included in above) Less
Number of Windows 12 12 Less
Other Window wipers and washers Window wipers and washers Less
Type Shock-mounted; two-man, integrated FOPS certified Shock-mounted; two-man, integrated FOPS certified Less
Windows - Tinted Safety Glass Laminated in Rubber Mounting 0.56 in 14.0 mm Less

Undercarriage

Brake Release Automatic Automatic Less
Brakes Spring set, hydraulic release Spring set, hydraulic release Less
Front Three-point oscillating type Three-point oscillating type Less
Maximum Drive Horse Power per Track 290.0 mm H2O 216.0 kg/mm Less
Number of Rollers - Each Side Total of 16: (13) lower rollers, (3) upper/carrier rollers Total of 16: (13) lower rollers, (3) upper/carrier rollers Less
Track Adjustment Means Hydraulic with grease gun Hydraulic with grease gun Less
Track Drive Disconnect Standard (manual) Standard (manual) Less
Tram Speed - Maximum 1.41 mile/h 2.27 km/h Less
Gradeability Mast Down - CDH - Cab Down Hill 25% 25% Less
Gradeability Mast Down - CUH - Cab Up Hill 13% 13% Less
Rock Guards/Chain Guards Standard full-length guards Standard full-length guards Less

Drill Table and Work Deck

Table Height Off Ground 57.0 in 1448.0 mm Less
Components (1) Pipe loading guide roller Pipe loading guide roller Less
Components (2) Stationary rear deck Stationary rear deck Less
Components (3) Left rear swing gated handrail (dual gate design) Left rear swing gated handrail (dual gate design) Less
Components (4) Rear deck bit storage box with aluminum cover Rear deck bit storage box with aluminum cover Less
Components (5) Hydraulically operated viewing hatch with LED hatch viewing spot light Hydraulically operated viewing hatch with LED hatch viewing spot light Less

Leveling Jacks

Lift Capacity - Each 114877.0 lbf 511.0 kN Less
Number 4 4 Less
Pad Diameter - Drill End 36.0 in 914.0 mm Less
Pad Diameter - Non-Drill End 30.0 in 762.0 mm Less
Stroke - Drill End 48.0 in 122.0 cm Less
Stroke - Non-Drill End 60.0 in 152.0 cm Less

Accessories, Tools and Handling Equipment

Bit Sub - Rotary Application (1) Top thread – depends on pipe diameter Top thread – depends on pipe diameter Less
Bit Sub - Rotary Application (2) Bottom thread – API reg. 168 mm (6.625 in) Bottom thread – API reg. 168 mm (6.625 in) Less
Shock Sub (DTH Application) Thread – API reg. 140 mm (5.5 in) Thread – API reg. 140 mm (5.5 in) Less
Top Adapter Sub (1) Diameter depends on pipe diameter Diameter depends on pipe diameter Less
Top Adapter Sub (2) Top thread – API reg. 140 mm (5.5 in) Top thread – API reg. 140 mm (5.5 in) Less
Top Adapter Sub (3) Bottom thread – depends on pipe diameter Bottom thread – depends on pipe diameter Less
10 m Configuration (1) 10.66 m (35 ft) starter and five pieces of 10.66 m (35 ft) in carousel 10.66 m (35 ft) starter and five pieces of 10.66 m (35 ft) in carousel Less
10 m Configuration (2) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in) Less
10 m Configuration (3) Length of drill – 10.67 m (35 ft) Length of drill – 10.67 m (35 ft) Less
13 m Configuration (1) 12.19 m (40 ft) starter and five pieces of 12.19 m (40 ft) in carousel 12.19 m (40 ft) starter and five pieces of 12.19 m (40 ft) in carousel Less
13 m Configuration (2) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in) Less
16 m Configuration (1) 7.62 m (25 ft) × 2 as starter and four pieces of 7.62 m (25 ft) in carousel 7.62 m (25 ft) × 2 as starter and four pieces of 7.62 m (25 ft) in carousel Less
16 m Configuration (2) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in) Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in) Less
Bit Sub - Rotary Application (3) Table bushing roller-type or two-piece with replaceable liner Table bushing roller-type or two-piece with replaceable liner Less
Pipe Handling (1) Sliding deck wrench Sliding deck wrench Less
Pipe Handling (2) Fixed cable pipe catcher or optional hydraulic safety arm/pipe catcher with drill function interlock, when pipe catcher is not closed Fixed cable pipe catcher or optional hydraulic safety arm/pipe catcher with drill function interlock, when pipe catcher is not closed Less
Pipe Handling (3) Manually removable or optional hydraulically operated bit basket Manually removable or optional hydraulically operated bit basket Less
Pipe Handling (4) Lifting bail-drill pipe/bit sub Lifting bail-drill pipe/bit sub Less
Pipe Rack (Inside the Mast) Carousel with stationary pods and breaker plates Carousel with stationary pods and breaker plates Less
Winch System (1) Rating – 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity Rating – 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity Less
Winch System (2) Cable size – 13 mm (0.5 in) Cable size – 13 mm (0.5 in) Less

Compressor - Standard - Poppit Inlet, Fixed Displacement

Discharge Air Flow - Sea Level 2000.0 ft³/min 56.6 m³/min Less
Maximum Operating Pressure 100.0 psi 6.9 bar Less

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

Discharge Air Flow - Sea Level 2600.0 ft³/min 73.56 m³/min Less
Maximum Operating Pressure 100.0 psi 6.9 bar Less

Base Machine

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

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

Discharge Air Flow - Sea Level 1500.0 ft³/min 42.5 m³/min Less
Hi/Low Pressure Switch - Bit Oil Injection System 30.0 gal (US) 114.0 l Less
Maximum Operating Pressure 10.3/24.1/34.4 bar (150/350/500 psi) 10.3/24.1/34.4 bar (150/350/500 psi) Less

Controls

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

Engine - C32 ACERT* - Optional

Emissions * The C32 ACERT engine meets Tier 2/Stage II equivalent emission standards * The C32 ACERT engine meets Tier 2/Stage II equivalent emission standards Less
Fuel Tank 1514 L plus, 1703 L (400 gal plus, 450 gal) 1514 L plus, 1703 L (400 gal plus, 450 gal) Less
Model C32 ACERT C32 ACERT Less
Rated Horse Power 1039.0 mm H2O 775.0 kg/mm Less

Engine - C32 ACERT* - Standard

Emissions * The C32 ACERT engine meets U.S. EPA Tier 2/EU Stage II equivalent emission standards * The C32 ACERT engine meets U.S. EPA Tier 2/EU Stage II equivalent emission standards Less
Fuel Tank 1514 L plus, 1703 L (400 gal plus, 450 gal) 1514 L plus, 1703 L (400 gal plus, 450 gal) Less
Model C32 ACERT C32 ACERT Less
Rated Horse Power 912.0 mm H2O 680.0 kg/mm Less

Mainframe, Decks and Walkways

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

Mast Configuration - 10, 13, or 16 Meters

10 m/35 ft Mast - Depth Single Pass 33.75 ft 10.29 m Less
10 m/35 ft Mast - Multi Pass Up to 63.4 m (Up to 208 ft) Up to 63.4 m (Up to 208 ft) Less
13 m (40 ft) Mast - Depth Single Pass 44.0 ft 13.4 m Less
13 m (40 ft) Mast - Multi Pass Up to 74.4 m (Up to 244 ft) Up to 74.4 m (Up to 244 ft) Less
16 m (50 ft) Mast - Depth Single Pass 54.0 ft 16.46 m Less
16 m (50 ft) Mast - Multi Pass Up to 46.9 m (Up to 154 ft) Up to 46.9 m (Up to 154 ft) Less
Angle Drilling 30° (in 5° increments) 30° (in 5° increments) Less
Hole Diameter Up to 311 mm (Up to 12.25 in) Up to 311 mm (Up to 12.25 in) Less
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