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MD6250 Rotary Blasthole Drill Specifications

MD6250 Rotary Blasthole Drill Specifications

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Specifications

Hole Diameter
Up to 152-250 mm (Up to 6-9.8 in)
Engine
C27 ACERTâ„¢ @ 1,800 rpm
Bit Load
Up to 32 655 kg (Up to 71,993 lb)

Drill Deck Misc.

Components
Toolbox
Components
Hydraulic viewing hatch on drill deck with spotlight
Components
Drill pipe thread greaser with remote fill tank or disposable grease bucket
Components
Deck mounted jib crane with 750 kg (1,653 lb)

Basic Specs

11.2 m (36.7 ft) mast: Hole diameter range
Up to 152-250 mm (Up to 6-9.8 in)
11.2 m (36.7 ft) mast: Hole depth range – Single pass depth
36.7 ft
11.2 m (36.7 ft) mast: Hole depth range – Multi-pass depth
Down to 53.6 m (Down to 176.7 ft)
11.2 m (36.7 ft) mast: Pull-down capacity
Up to 20 411 kg (Up to 45,000 lb)
11.2 m (36.7 ft) mast: Hoist capacity
Up to 20 411 kg (Up to 45,000 lb)
11.2 m (36.7 ft) mast: Hoist speed
2.67 ft/sec
11.2 m (36.7 ft) mast: Bit load (single pass)
Up to 22 321 kg (Up to 49,210 lb)
13.6 m (44.6 ft mast): Hole diameter range
Up to 152-250 mm (Up to 6-9.8 in)
13.6 m (44.6 ft mast): Hole depth range – Single pass depth
44.6 ft
13.6 m (44.6 ft mast): Hole depth range – Multi-pass depth
Down to 37.9 m (Down to 124.6 ft)
13.6 m (44.6 ft mast): Pull-down capacity
Up to 29 483 kg (Up to 65,000 lb)
13.6 m (44.6 ft mast): Hoist capacity
Up to 22 113 kg (Up to 48,750 lb)
13.6 m (44.6 ft mast): Hoist speed
2.16 ft/sec
13.6 m (44.6 ft mast): Bit load (single pass)
Up to 32 655 kg (Up to 71,993 lb)
U.S. EPA Tier 2 equivalent: Engine
C27 ACERT @ 1,800 rpm
U.S. EPA Tier 2 equivalent: Emissions
U.S. EPA Tier 2 equivalent
U.S. EPA Tier 2 equivalent: Rated horsepower
875 hp
U.S. EPA Tier 2 equivalent: Elevation capability
15000 ft
U.S. EPA Tier 4 Final: Engine
C27 ACERT @ 1,800 rpm
U.S. EPA Tier 4 Final: Emissions
U.S. EPA Tier 4 Final
U.S. EPA Tier 4 Final: Rated horsepower
879 hp
U.S. EPA Tier 4 Final: Elevation capability
12000 ft
Compressor, Rotary drilling
56.6 m3/min (2,000 ft3/min) @ 8.6 bar (125 psi)
Compressors, DTH drilling
38.2 m3/min (1,350 ft3/min) @ 34.4 bar (500 psi)
Compressors, DTH drilling
42.2 m3/min (1,500 ft3/min) @ 24.1 bar (350 psi)
Angle drilling available
30° (in 5° increments)

Cooling

Components
Coolers with easy cleaning access
Components
Separate engine cooling module
Components
All cooler core sections are replaceable
Features
Functional in ambient temperature of 52° C (125° F)
Components
Automatic variable speed fan control

Hydraulics

Components
Auxiliary circuit pump
Components
Two fan pumps
Components
Two primary pumps
Components
Charge pump
Components
Scheduled Oil Sampling (S∙O∙S) ports

Climate Choices

Climate Level 1 (standard)
–1° C (30° F)
Climate Level 1 (standard)
Withstands high heat to 52° C (125° F)
Climate Level 1 Standard fluids and lubricants
–1° C (30° F)
Climate Level 1 Standard fluids and lubricants
Withstands high heat to 52° C (125° F)
Climate Level 2 Arctic fluids and lubricants
–18°C (–0.4°F)
Climate Level 4 Arctic fluids and lubricants
–40°C (–40°F) Level 4 Arctic fluids and lubricants; –40°C (–40°F) Temps
Climate Level 4 Arctic fluids and lubricants
Engine coolant and water tank heater, battery trays and provision for fuel heating – diesel fired
Climate Level 4 Arctic fluids and lubricants
50 Hz High Pressure (or choose Low Pressure) Compressor, Tier 4 engine
Climate Level 4 Arctic fluids and lubricants
Arctic fluids, Genset ready, heaters and blankets for tanks, extra batteries, heated water suction lines, drill pipe thread grease bucket
Climate Level 4 Arctic fluids and lubricants
Shore power connection box with switchable 240-600 volt, 50 amp waterproof connection
Climate Level 4
Compressor control box enclosure with self-purging air lines
Climate Level 4
Shore power connection box supports switchable 240-600 volt, 50 amp waterproof connection

Weights

Working weight range
56 468 kg to 64 154 kg (124,490 lb to 141,436 lb)

Engine Choices

U.S. EPA Tier 2 equivalent: Engine
C27 ACERT @ 1,800 rpm
U.S. EPA Tier 2 equivalent: Emissions
U.S. EPA Tier 2 equivalent
U.S. EPA Tier 2 equivalent: Rated horsepower
875 hp
U.S. EPA Tier 4 Final: Engine
C27 ACERT @ 1,800 rpm
U.S. EPA Tier 4 Final: Emissions
U.S. EPA Tier 4 Final
U.S. EPA Tier 4 Final: Rated horsepower
879 hp
Components
Dual starter motors
Features
500 hour service interval
Components
Turbo and exhaust manifold guards
Features
Scheduled oil sampling (S∙O∙SSM) ports
Components
Common air intake filters provide +500 hour service interval normal operating conditions
Components
Ether starting aid

Compressor Choices

DTH drilling
Includes tool lubrication and hammer storage
DTH drilling: 1350 cfm/500 psi
38.2 m3/min (1,350 ft3/min) @ 34.4 bar (500 psi) includes 113 L (30 gal) tool oiler
DTH drilling: 1500 cfm/350 psi
42.2 m3/min (1,500 ft3/min) @ 24.1 bar (350 psi) includes 113 L (30 gal) tool oiler
Rotary drilling
Includes lubrication system
Rotary drilling: 2000 cfm/125 psi
56.6 m3/min (2,000 ft3/min) @ 8.6 bar (125 psi) optional tool oiler 113 L (30 gal)
Note
With the compressors variable volume control, the operator can limit air output and engine speed both resulting in reduced fuel consumption. All of these compressors contain this feature.
Choice
Compressor control box enclosure with purged air lines

Receiver Tank Choices

Choice
Low pressure 8.6 bar (125 psi) for ASME/CRN/AU or CE
Choice
High pressure 24.1 or 34.4 bar (350 or 500 psi) for ASME/CRN/AU or CE

Regulatory Compliance

Features
CE compliant
Features
EAEU certifiable
Features
CSA certified
Features
Tier 2 and Tier 4 Final configurations
Features
MDG15 and MDG41 aligned
Features
Meets over 30 ISO standards

Frame and Work Deck

Features
Jacks, mast pivot and deck are welded integrally to mainframe for maximum durability and long life
Components
Stationary drill deck for vertical and angle drilling
Components
Four leveling jacks provide leveling on a 7° bench (any orientation)
Features
Slip resistant surface on all decks and walkways
Features
Fuel tank capacity 1609 L (425 gal)
Features
Fuel capacity expansion for additional 1609 L (425 gal)
Features
Three (3) egress points on deck areas in addition to main access
Components
Heavy duty tow hooks (front end)
Components
Four (4) lift lugs, for use with cables or chains
Components
Walkway, with railing and toe guards, for cab perimeter to drill deck
Features
Fire suppression ready (includes platform on non-drill end to mount bottles, and frame around power train to mount nozzles)
Components
Deck mounted jib crane with 750 kg (1,653 lb)
Components
Pipe guide roller assembly mounted on drill deck for loading drill pipe

Frame Access Choices

Choice
Access ladder to the cab area with spring loaded self-closing gate
Choice
Cascading, hydraulic stairs with walkway around the cab to the deck. Includes tram interlock for when the ladder is down.

Undercarriage

Model
Cat® 336E EL Excavator type
Ground clearance
24 in
Carrier rollers
Three carrier rollers
Track guiding guards and guides
Two
Drawbar pull
93745 lbf
Travel speed display
1.5 mph
Triple grousers
600 mm (23.6 in); for hard rock 1.44 bar (21 psi) ground pressure
Triple grousers
750 mm (29.5 in); for soft rock 1.17 bar (17 psi) ground pressure

Mast and Pipe Carousel Features

Features
11.2 m (36.7 ft) mast pipe carousel; takes four 10.6 m (35 ft) pipes for 53.6 m (176.7 ft) total hole depth
Features
13.6 m (44.6 ft) mast pipe carousel; takes four 7.6 m (20 ft) pipes for 37.9 m (124.6 ft) total hole depth
Features
Vertical or angle drilling 0-30°; in 5° increments
Features
Hydraulically actuated, self-indexing pipe carousel accepts various pipe diameters
Features
All mast configurations are designed for changing bit above deck
Features
Single cylinder pulldown/hoist system
Features
Auto tensioning of pull down and hoist cables
Features
Deck wrench fits flats of corresponding drill pipe diameters and DTH hammer
Features
Feed system accommodates multiple pipe diameters
Features
Base plate bushing diameters accommodate bits 152-216 mm (6.0-8.5 in)
Features
Hydraulic break out wrenches (HOBO) available with adjustable grip ranges
Features
Configured with roller deck bushing
Features
Pipe positioner with pipe diameter specific inserts
Features
Overhead winch with remote; variable speed drive with ≥ 1818 kg (4,000 lb) rating, length to reach 6 m (20 ft) past drill deck (option)
Features
Tool oiler, 113 L (30 gal) oil injection system
Features
Variable hydraulic break out wrench grip range choices are 114 mm to 152 mm (4.5 in to 6.0 in) or 152 mm to 216 mm (6.0 in to 8.5 in)
Features
Camera on mast is closed circuit and used to view the pipe carousel/top drive operation
Features
Pipe positioner for angle drilling, multi-pass pipe handling
Features
Rotation gear box with single motor, up to 160 rpm, up to 11 600 N∙m (8,555 lbf-ft) torque
Features
Manual pipe catcher – One (1) wire rope hydraulically actuated pipe catcher, pipe positioner, manual bit basket or
Features
Hydraulic – One (1) hydraulic pipe catcher, hydraulically actuated pipe positioner, hydraulic bit basket

Mast Packages: Standard or Premium Choices

11.2 m (36.7 ft) Mast: Single pass depth
36.7 ft
11.2 m (36.7 ft) Mast: Multi pass depth
Down to 53.6 m (Down to 176.7 ft)
11.2 m (36.7 ft) Mast: Pulldown – rated single cylinder pull-down/hoist system
Up to 20 411 kg (Up to 45,000 lb)
11.2 m (36.7 ft) Mast: Hoist
Up to 20 411 kg (Up to 45,000 lb)
11.2 m Mast: Mast accessories
One wire rope pipe catcher, pipe positioner, manual bit basket
11.2 m Mast: Mast accessories
One hydraulic pipe catcher, pipe positioner, hydraulic operated bit basket (HOBB)
13.6 m (44.6 ft) Mast: Single pass depth
44.6 ft
13.6 m (44.6 ft) Mast: Multi pass depth
Down to 37.9 m (Down to 124.6 ft)
13.6 m (44.6 ft) Mast: Pulldown
Up to 29 483 kg (Up to 65,000 lb)
13.6 m (44.6 ft) Mast: Hoist
Up to 22 113 kg (Up to 48,750 lb)
13.6 m Mast: Mast accessories
Two wire rope pipe catchers, pipe positioner, and manual bit basket
13.6 m Mast: Mast accessories
One wire rope, one hydraulic pipe catchers, pipe positioner, hydraulic operated bit basket (HOBB)
Angle drilling
Available with any mast

Drill Pipe (Mast size dependent)

7.6 m (20 ft) pipes 13.6 m (44.6 ft) Mast – Requires quantity of four (4): Rotary/DTH
5 in
7.6 m (20 ft) pipes 13.6 m (44.6 ft) Mast – Requires quantity of four (4): Rotary
6 in
7.6 m (20 ft) pipes 13.6 m (44.6 ft) Mast – Requires quantity of four (4): Rotary
7 in
7.6 m (20 ft) pipes 13.6 m (44.6 ft) Mast – Requires quantity of four (4): Rotary
7.625 in
7.6 m (20 ft) pipes 13.6 m (44.6 ft) Mast – Requires quantity of four (4): DTH
5.5 in
7.6 m (20 ft) pipes 13.6 m (44.6 ft) Mast – Requires quantity of four (4): DTH
6.5 in
10.6 m (35 ft) pipes 11.2 m (36.7 ft) Mast – Requires quantity of four (4): Rotary/DTH
5 in
10.6 m (35 ft) pipes 11.2 m (36.7 ft) Mast – Requires quantity of four (4): Rotary
6 in
10.6 m (35 ft) pipes 11.2 m (36.7 ft) Mast – Requires quantity of four (4): Rotary
7 in
10.6 m (35 ft) pipes 11.2 m (36.7 ft) Mast – Requires quantity of four (4): Rotary
7.625 in
10.6 m (35 ft) pipes 11.2 m (36.7 ft) Mast – Requires quantity of four (4): DTH
5.5 in
10.6 m (35 ft) pipes 11.2 m (36.7 ft) Mast – Requires quantity of four (4): DTH
6.5 in

Tool Package Rotary

Components
One-piece roller deck bushing
Components
Pipe positioner roller
Components
Deck wrench
Components
Cross over subs
Components
Pipe wiper seal
Components
Drill tool lubricator
Components
Bushing retention tool
Components
Drill tool lubricator
Components
Tool oil injection system 113 L (30 gal)
Components
Lifting bails (available on request; required for commissioning)

Tool Package DTH

Components
Two-piece bushing
Components
Pipe positioner inserts
Components
Sliding deck wrench
Components
Cross over adapter for hammer
Components
Pipe wiper seal
Components
Cross over subs (top and hammer)
Components
Bushing retention tool
Components
Lifting bails (available on request; required for commissioning)

Overhead Winch System with remote (option)

Capacity rating
4000 lb
Cable diameter
0.5 in
Reach – past the drill deck
20 ft
Components
Variable speed drive

Rotary Head Top Drive System

Torque, single motor
8555 lbf-ft
Rotation speed
0-150 rpm
Components
Spindle – 138 mm (5.5 in) API regular thread with splined collar, shock sub
Components
Rotary torque control
Components
Virtual rotary head travel interlocks

Operator Environment

Components
Spacious FOPS cab has 3 m2 (32.4 ft2) floor space with an integrated operator station
Components
Cab rubber shock-mounts absorb mechanical vibration and restrict exterior noise
Components
Operator station design integrates an ergonomic seat, joystick controls with full instrumentation, and dual 254 mm (10 in) color displays, high definition screen and 12 volt power port
Components
Additional display screen for cc cameras; color, high-definition 254 mm (10 in)
Components
Power convertor 24V to 12V
Components
Radio-ready for communication and entertainment radio
Components
Top of cab access ladder
Components
Two swing out doors and Cat keyed locks
Components
Literature holder
Seating:
– Seat cover in fabric, or a leather option with heat and cooling
– Seat swivels, locks and has two point/76 mm (3 in) seat belt, tilts (5° adjustment), lumbar support, fore/aft seat adjustment 80 mm (3.1 in)
– Fold away trainer’s seat with
Windows:
– Large windows front, rear and right cab side; full length drill window with guard (option), single or double pane glass
– Window shade (option)
– Windshield wipers with a common washer tank
– Manometer Pressure Gauge (option)
Lighting:
– LED interior lights and map light at operators seat, backlit joysticks and keypads
– Flood lights for the drill perimeter
– Spot lights for power group area; drill deck; mast carousel; access ladder and walkways
– Standard lighting is 1
HVAC:
– HVAC floor vent in the foot rest area
– Roof-mounted air conditioner/heating/pressurizing unit
– Filter access from deck, 500 service interval
– Defogging HVAC vents on main window
Cameras:
– Two (2) CC cameras (front and left side) providing 360° vision coverage from operators seat
– Camera on the mast to view pipe carousel/top drive operation

Operating System Controls (Standard)

Components
All electric controls for drilling, tramming, leveling plus auxiliary functions
Components
Rotary torque control
Components
Virtual rotary head travel stops
Components
Pipe positioner engaged/disengaged indicator
Components
Drill depth meter
Components
Drill performance and display system
Components
Pump drive gearbox temperature system
Components
Delayed engine shut down
Components
Filter indicators for hydraulic, fuel, compressor and engine
Components
Jack pressure sensors in display
Components
Data logging of machine health with warnings and fault code records with export capability
Components
Dust suppression control
Components
Mast lock indicator
Components
ECM proportional fan speed control system
Components
Tram interlock, machine stability limits
Components
Tram interlock, pipe in hole
Components
Tram interlock, mast up and locked or down and parked
Components
Tram interlock, jack retracted
Components
Tram interlock, winch parked
Components
Cab environment controls (AC, filter, heat, fan speeds)
Components
Pre wired for Terrain and Autonomous Operation

Premium Controls

Components
Package 1 Controls, Drills Assist
Components
Auto level
Components
Auto mast
Components
Auto drill single pass
Components
Auto retract

Automation and Technology

Type
Autonomous ready
Components
Drill depth indicator
Components
Drill Assist (auto level, auto retract, auto mast, single pass auto drill)
Type
Cat Terrain ready
Components
Product Link Elite – Satellite, Cellular, Dual (options)
Components
Wiring for third party interface

Dust Control Choices

Water injection – tank mounted below front deck
336 gal
Choices
Self-purging for winterization
Choices
Water flow meter, volume control, tank fill level indicator
Water injection plus dust collector
127 m3/min (4,500 ft3/min) dust collector; includes standard water injection
Water injection plus dust collector
Dust collector box with ground level access
Water injection plus dust collector
Self-cleaning filters, dust chute clean-out door
High volume water injection (maximum) – tanks total capacity
736 gal
Tank below deck – capacity (isolated for extreme cold weather)
400 gal
Tank above deck – capacity
336 gal
Choices
Foam injection system
Choices
Static dust curtains, four sides boxed enclosed
Choices
Water pump interlock
Choices
Dust curtain hydraulic lifters raise front and rear dust curtains (option) (recommended with dust collector)
Choices
Tram off spray system (option)

Safety and Security

Feature
Approach angle of 15 degrees facilitates loading and unloading on a lowboy
Components
Alloy drill deck covers, for servicing when mast is horizontal
Components
Seven (7) engine shut down buttons, by each drill egress/access point, in cab, in engine area, on drill deck
Components
Strobe beacon on cab; Left front of drill
Components
Hinged window guard over the full length of the front drill window
Manual
Printed copy of the operation and maintenance manual
Components
Turbo and exhaust protection
Components
Three (3) egress points on deck areas in addition to main access
Components
Self-closing gates secure egress ladder locations
Components
Electric horn activated by push button in the cab
Components
Automatic tram alarm with yellow strobe light
Components
Under deck mount battery box with keyed battery disconnect/starter lockout/remote jump start terminals
Components
Air hose retention device
Components
Slip resistant surfaces
Components
Tow hooks
Components
Lifting lugs
Feature
Fire suppression ready

Service Packages

Package
Basic – Centralized manual lubrication for all pivot points, gravity fill for fuel and water
Package
Standard – Fast fill for fuel and water, automated lubrication system
Package
Premium – Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, blowdown hose

Dimensions (Approximate) – 11.2 m (36.7 ft) Mast

Width front
18.45 ft
Width rear
15.81 ft
Height mast up
55.81 ft
Body length
38.41 ft
Length mast down
58.13 ft

Dimensions (Approximate) – 13.6 m (44.6 ft) Mast

Width front
18.45 ft
Width rear
15.81 ft
Height mast up
63.84 ft
Body length
38.41 ft
Length mast down
66.17 ft

Drill Table and Work Deck

Components
Thread greaser with reloadable tank or disposable grease bucket
Components
Winch – variable speed drive with ≥ 1587 kg (3,500 lb) rating

Auxiliary Controls

Components
Winch with remote control tethered pendant
Components
Drill operation remote control for tram, setup and drill controls from ground in line of sight

Mast Accessories

Accessory
11.2 m (36.7 ft) or 13.6 m (44.6 ft) Manual pipe catcher – One (1) wire rope hydraulically actuated pipe catcher, pipe positioner, manual bit basket
Accessory
11.2 m (36.7 ft) Mast Hydraulic – One (1) hydraulic pipe catcher, hydraulically actuated pipe positioner, hydraulic bit basket
Accessory
13.6 m (44.6 ft) Mast Hydraulic – One (1) hydraulic pipe catcher, plus one (1) wire rope, hydraulically actuated pipe positioner, hydraulic bit basket