MD6240

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Overview

High productivity and low cost of ownership is yours with the MD6240 Rotary Drill. With bit load force of 24 000 kg (52,911 lb) and the capability to drill depths up to 55.47 m (182 ft) the MD6240 is well equipped to drill in hard or soft rock applications. Built to be reliable, safe and easy to service for years to come.

Basic Specifications

Units:
Bit Load 24 000 kg (52,911 lb) 24 000 kg (52,911 lb) Less
Hole Diameter 152-244 mm (6-9.625 in) 152-244 mm (6-9.625 in) Less
Engine C27 (Tier 2) – 597 kW (800 hp) at 2,100 rpm C27 (Tier 2) – 597 kW (800 hp) at 2,100 rpm Less
Compressor 48 m³/min (1,700 ft³/min) 6.9 bar (100 psi) 48 m³/min (1,700 ft³/min) 6.9 bar (100 psi) Less
Engine Cat® C27 Tier 2 597 kW (800 hp) at 2,100 rpm 597 kW (800 hp) at 2,100 rpm Less
Hole Depth Single-pass (12 m/39 ft mast) Up to 12.80 m (42 ft)/Multi-pass Up to 55.47 m (182 ft) Up to 12.80 m (42 ft)/Multi-pass Up to 55.47 m (182 ft) Less
Hole Depth Single-pass (15 m/49 ft mast) Up to 15.85 m (52 ft)/Multi-pass Up to 31.08 m (102 ft) Up to 15.85 m (52 ft)/Multi-pass Up to 31.08 m (102 ft) Less

Rated Capacity

Bit/hole diameter 152-244 mm (6-9.625 in) 152-244 mm (6-9.625 in) Less
Depth multi-pass (12 m/39 ft mast) Up to 55.47 m (Up to 182 ft) Up to 55.47 m (Up to 182 ft) Less
Depth single-pass (15 m/49 ft mast) Up to 15.85 m (Up to 52 ft) Up to 15.85 m (Up to 52 ft) Less

Operating Temperature

Cold weather option -40.0 ° F -40.0 ° C Less
Maximum ambient rating (standard) 125.0 ° F 52.0 ° C Less
Minimum ambient rating (standard) 30.0 ° F -1.0 ° C Less

Pull-down/Hoisting Capacity

Automatic cable Hydraulic cylinder, tensioning Hydraulic cylinder, tensioning Less
Cable type 25 mm (1 in) DYFORM 8 DYFORM 8 Less
Drilling feed/retract rate 0-39.3 m/min (0-129 ft/min) 0-39.3 m/min (0-129 ft/min) Less
Head travel (12 m/39 ft) 572.4 in 14.54 m Less
Head travel (15 m/49 ft) 693.0 in 17.6 m Less
Rated hoist capacity Up to 222 kN (Up to 50,000 lbf) Up to 222 kN (Up to 50,000 lbf) Less
Rated pull-down capacity Up to 222 kN (Up to 50,000 lbf) Up to 222 kN (Up to 50,000 lbf) Less

Rotary Drive System

Horsepower capacity 182.0 hp 135.0 kW Less
Torque 0-13 015 N·m (0-9,600 ft-lb) 0-13 015 N·m (0-9,600 ft-lb) Less

Compressor (Standard)

Discharge air flow (sea level) 1700.0 ft3/min 48.0 m3/min Less
Maximum operating pressure 100.0 psi 6.9 bar Less
Type Oil-flooded, single-stage screw Oil-flooded, single-stage screw Less

Compressor (Optional)

Discharge air flow (sea level) 33 m3/min (1,150 ft3/min); 38 m3/min (1,350 ft3/min); 43 m3/min (1,500 ft3/min) 33 m3/min (1,150 ft3/min); 38 m3/min (1,350 ft3/min); 43 m3/min (1,500 ft3/min) Less
Maximum operating pressure 10.3/24.1 bar or 10.3/24.1/34.5 bar (150/350 psi or 150/350/500 psi) 10.3/24.1 bar or 10.3/24.1/34.5 bar (150/350 psi or 150/350/500 psi) Less
Type (high pressure) Oil-flooded, two-stage screw Oil-flooded, two-stage screw Less

Engine (Standard) – C27 Tier 2

Rated horsepower 800.0 hp 597.0 kW Less
Fuel tank 765.0 gal 2986.0 L Less
Manufacturer Caterpillar Caterpillar Less
Model C27 Tier 2 C27 Tier 2 Less
Optional rated horsepower 875.0 hp 652.0 kW Less

Operator’s Cab

Climate control Wall-mounted, AC/heating/pressurizing unit Wall-mounted, AC/heating/pressurizing unit Less
Floor area 32.4 ft2 3.0 m2 Less
Height inside 76.5 in 1943.0 mm Less
Number of doors 2 with windows (included above) 2 with windows (included above) Less
Number of windows 10 10 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 in rubber mounting) 0.25 in 6.0 mm Less

Undercarriage

Brakes Spring set, hydraulic release Spring set, hydraulic release Less
Front axle Three-point oscillating type Three-point oscillating type Less
Gradeability mast down 48%/25.6 degrees 48%/25.6 degrees Less
Maximum drive horsepower per track 204.0 hp 152.0 kW Less
Number of lower rollers 12 12 Less
Rock guards/chain guides Standard full-length guards Standard full-length guards Less
Tram speed maximum 1.25 mph 2.0 km/h Less

Mainframe

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

Mainframe – Leveling Jacks

Lift capacity 65300.0 lbf 290.0 kN Less
Number 4 4 Less
Pad diameter 24.0 in 610.0 mm Less

Drill Table and Work Deck

Table height off ground 52.0 in 1321.0 mm Less

Dust Suppression

Dust collector capacity 4500.0 ft3/min 127.0 m3/min Less
Note Both dry and water injection can be mounted on the same drill Both dry and water injection can be mounted on the same drill Less

Pipe Rack (outside the mast)

12 m (39 ft) mast arrangement 4 pods; 10.67 m (35 ft) long pipe 4 pods; 10.67 m (35 ft) long pipe Less
15 m (49 ft) mast arrangement 2 pods; 7.62 m (25 ft) long pipe 2 pods; 7.62 m (25 ft) long pipe Less
Type Carousel, with stationary pods and breaker plates Carousel, with stationary pods and breaker plates Less

Winch System

Cable size 0.5 in 13.0 mm Less
Capacity 3500.0 lb 1587.0 kg Less

Accessories, Tools and Handling Equipment

Drill Pipe (Optional, Price-Adder) – 12 m (39 ft) mast arrangement: Diameter (customer specification) 114-178 mm (4.5-7.0 in) 114-178 mm (4.5-7.0 in) Less
Drill Pipe (Optional, Price-Adder) – 12 m (39 ft) mast arrangement: Wall thickness 0.75 in 19.0 mm Less
Drill Pipe (Optional, Price-Adder) – 12 m (39 ft) mast arrangement: Length 35.0 ft 10.67 m Less
Drill Pipe (Optional, Price-Adder) – 12 m (39 ft) mast arrangement: Threads Depends on pipe diameter Depends on pipe diameter Less
Drill Pipe (Optional, Price-Adder) – 15 m (49 ft) mast arrangement: Diameter (customer specification) 114-178 mm (4.5-7.0 in) 114-178 mm (4.5-7.0 in) Less
Drill Pipe (Optional, Price-Adder) – 15 m (49 ft) mast arrangement: Wall thickness 0.75 in 19.0 mm Less
Drill Pipe (Optional, Price-Adder) – 15 m (49 ft) mast arrangement: Length 25.0 ft 7.62 m Less
Drill Pipe (Optional, Price-Adder) – 15 m (49 ft) mast arrangement: Threads Depends on pipe diameter Depends on pipe diameter Less
Top Adapter Sub – Diameter Depends on pipe diameter Depends on pipe diameter Less
Top Adapter Sub – Length 28.0 in 711.0 mm Less
Top Adapter Sub – Top thread (API Reg.) 5.5 in 140.0 mm Less
Top Adapter Sub – Bottom thread Depends on pipe diameter Depends on pipe diameter Less
Bit Sub – Table bushing One (1) piece insert, roller deck bushing or two-piece One (1) piece insert, roller deck bushing or two-piece Less

Solid Structures

To withstand your harsh quarry and mining environments


Power Group

High on efficiency; low on cost


Mast System

Strong and sturdy


Dust Collection

Largest chamber in the industry


Fully Equipped Cab

For operator safety and comfort


Serviceability and Customer Support

Easy and safe to access all service points


Safety

Because it’s your priority


Sustainability

Using resources wisely


MD6240 Standard Equipment

CAPABILITY
  • The MD6240 is designed to drill from 152-244 mm (6-9.625 in) diameter holes with rated pulldown and hoist capacity up to 22 680 kg (50,000 lb), in Rotary or Down the Hole applications.

ENGINE
  • Metal turbo and exhaust manifold covers
  • Engine pre-lube
  • Additional filtration
  • Coolant conditioner

MAST
  • 152-270 mm (6-105⁄8 in) hole diameter
  • Up to 22 680 kg (50,000 lb) rated single cylinder pulldown/hoist system
  • Up to 24 000 kg (52,911 lb) bit load with one pipe in the drill string
  • Patented HOBO (Hydraulically Operated Break-Out) wrench operated from the cab
  • Auto cable tensioning system
  • 25° angle drilling package and mast locks
  • Winch system 1587 kg (3,500 lb) capacity

TOP DRIVE
  • Single motor
  • Rotation speed 0-100 rpm
  • Up to 13 016 N·m (9,600 ft-lb) torque

OPERATOR'S CAB
  • Integrated FOPS
  • Totally enclosed, insulated, two-man cab
  • Two (2) hinged doors with heavy duty freezer type door latch system
  • Ten (10) windows (safety glass, tinted)
  • Windshield wiper and washer kit
  • Ergonomic operator’s console with full instrumentation
  • Ergonomic operator’s seat with head and armrests, retractable seat belt, air suspension mount
  • Electric over hydraulic drill functions
  • Auxiliary functions operated by fingertip toggle switches
  • More than 3 m2 (32.4 ft2) of floor space
  • Excellent visibility
  • dB rating of 80 or less
  • Wall mounted air conditioner/heater/pressurizer, belt driven
  • Rubber shock-mounts to absorb vibration
  • Electric horn activated by push button in the cab
  • Gel cell maintenance free battery
  • Document holder inside the cab

UNDERCARRIAGE
  • Excavator type, with 12 lower rollers
  • 750 mm (29.5 in) triple grousers
  • Full length chain guides/rock guards

MAINFRAME AND DECK
  • Made of heavily cross-braced rectangular steel tubing
  • Rear deck is stationary during both angle and vertical drilling modes
  • Viewing hatch in rear deck, hydraulically operated from cab to help spotting holes
  • Four (4) hydraulic leveling jacks (152 cm/60 in)
  • Dust chamber clean-out door
  • Centralized lubrication system (34 points)
  • Additional mast rests mounted on non-drill end
  • 1325 L (350 gal) fuel tank under engine: - Additional fuel tank available as option
  • 1570 L (415 gal) additional fuel tank under compressor
  • 4 × 8D batteries

CAROUSEL
  • Hydraulically operated from the cab

COOLING - SPLIT COOLER ARRANGEMENT
  • Maximum ambient cooling capacity of 52° C (125° F) with replaceable cores

HYDRAULIC SYSTEM
  • Two (2) variable displacement axial piston pumps, in closed loop system, that operate the drill rotation, pulldown/hoist system, and tram functions
  • Double-gear pump, in open loop system, for all auxiliary functions and fan circuit
  • Dual filtration

DRILLING ACCESSORIES (TRICONE/ROTARY)
  • Top sub adapter
  • Table bushing
  • Bit sub [note: 12 m/39 ft configuration: 342 cm (135 in) S-S, 15 m/49 ft configuration: 152 cm (60 in) S-S]
  • Horseshoe bushing
  • Bit basket
  • Hoist plug (lifting bail)
  • Auto tool wrench/deck wrench

DUST SYSTEM
  • See Optional Equipment and select the required system

PAINT
  • Standard Caterpillar Colors

OTHER
  • Backup alarm
  • Filter kit for 50-hour preventive maintenance
  • Two (2) hard copy sets Operator/Service/Maintenance/Parts/Engine manuals, in English
  • One Link-One Parts manual on CD, Operator and Service manual in pdf
  • Seven (7) 60-watt LED lights for night drilling
  • Side walkways and handrails with side boarding ladder
  • Tool box, mounted under walkway (tools not included)
  • Lift kit
  • Towing hooks (front end)
  • Battery disconnect

MD6240 Optional Equipment

DRILLING ACCESSORIES KIT FOR HAMMER DRILLING (IN LIEU OF ROTARY DRILL ACCESSORIES)
  • Shock sub and adaptor, bit sub, two-piece table bushing, horseshoe bushing, hoist plug, bit basket, hammer oil injection system with 113.5 L (30 gal) tank

DUST COLLECTION
  • Dust Collector 4500 Series
  • Water injection system for dust suppression with three (3) tanks totaling 1271 L (336 gal) mounted under the front deck
  • Water injection system for dust suppression with total 1514 L (400 gal) tank mounted on top-deck (mounted in place of Dry Dust Collector)
  • Note: Dry Dust Collector and water injection on the same drill can be selected only with below deck tanks.

DRILLING
  • Drill pipe
  • Roller deck bushing
  • Two-piece (split) deck bushing
  • Rotary head RPM gauge, digital
  • Rotary torque control
  • Rotary/hammer shock sub
  • Rock oiler injection system (for Tricone); 113.56 L (30 gal)
  • Pipe guide roller assembly mounted on drill deck (rear deck)
  • Dual purpose carousel (hammer - Tricone pipe rack)

FLUIDS
  • Wiggins fuel only
  • Wiggins full service (fuel, hydraulic oil, coolant, engine oil)
  • Automatic lubrication system (34 points)
  • Drilling pipe thread lube system, activated from inside the cab

SYSTEM PROTECTION
  • Additional loop filters between pumps and motors
  • Hydraulic diagnostic test station
  • Engine mounted stop
  • Ground level engine shutdown
  • Rotating beacons (one on mast crown, one on cab, one on front-end)

COLD WEATHER AIDS
  • WEBASTO system (self-contained heater for engine coolant, water, hydraulic oil, fuel)
  • Cab floor heater (electric fan with heater core utilizing engine coolant)
  • Heating and circulation/drainage system for water injection installation, for -40° C (-40° F) with gate valve activated by temperature sensor
  • Cold weather package for temperatures down to -40° C (-40° F): - Two-speed fan arrangement for coolers - Electric heating elements for heating of fuel and water tanks, coolant, hydraulic oil tank - Insulation of bottom of the cab and fuel tanks - Compressor regulators enclosed in insulated box with electric heating element - Inlet control cylinder enclosed in a box with electric heating element - Cab floor heater - electric fan with heater core utilizing engine coolant - Thermo-glass in cab - Dead-end arctic hoses @ pivot points - Cold weather lubricants - Water injection hose (if water injection selected) with insulated sheath-electric heater - 40 kW (54 hp) diesel gen-set or on-board transformer to power heating package (mine site to provide plug)

INDICATOR SYSTEMS
  • Mast lock indicator
  • Jack retract indicators
  • Tram interlock, jacks (with indicator)
  • Tram interlock, head-position (pipe-in-hole)
  • Pipe rack interlock
  • Filter indicators, centrally mounted in cab (hydraulic, compressor, air intake)

MISCELLANEOUS
  • 24 to 12 volt converter
  • Extra lighting package (5 additional 60 watt LED lights)
  • Blowdown hose with nozzle
  • Hydraulic rear dust curtain lifting system
  • Hydraulic front dust curtain lifting system
  • CE conformity kit
  • Special paint
  • Closed circuit camera system with two cameras for front and rear mounting and monitor in cab
  • Radio AM/FM, CD player and USB port for I-pod
  • Radio C.B. with antenna
  • XIR cab glass upgrade
  • Thermal double-pane glass upgrade
  • Cab window shades
  • Remote jump start terminals
  • Electric horn activated by push button in the cab
  • Gel-cell maintenance free battery upgrade
  • Main drill window cage
  • Lanyard attachment - cable with traveling hook on mast, and personnel harness
  • Tram remote control (pendant/cable) for operation of tram controls from ground
  • Winch remote control pendant (control outside cab)
  • 24V to 110V or 220V AC invertor
  • Mechanical tool kit (reference TV014590)
  • Three-point harness kit for operator’s seat
  • Water injection flow meter
  • Cab manometer
  • Extreme hot weather lubricant upgrade (compressor oil)
  • Extreme hot weather lubricant upgrade (hydraulic oil)
  • Basic engine shut down timer
  • Murphy EMS panel mounted in cab-dash
  • EMS lap top harness/terminal mounted inside cab
  • Mirror kit (includes three bolt-on mirrors)
  • Slope indicator mounted in cab to indicate forward and lateral angle
  • Hydraulic oil temperature gauge mounted in dash
  • Document holder mounted inside the cab

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