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MD6250 Rotary Blasthole Drill Specifications

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Product Description

The Cat® MD6250 is built from the ground up with 100% Cat parts to help you get the most out of your operation. With built-in autonomous features and the option to integrate Cat MineStar™ technologies, the MD6250 offers accurate, reliable performance in any drilling application. It’s easy to own and operate, with improved serviceability and the durability you expect from Caterpillar — backed by the world-class support of the Cat dealer network. Designed to drill holes from 165-250 mm (6.5-9.875 in) in diameter, the MD6250 is is optimized for single-pass or multi-pass drilling in both rotary and down-the-hole drilling modes.

Specifications
Us
Metric
Pull-Down/Hoisting Capacity
Pull-Down Capacity
Up to 29 483 kg (65,000 lb)
Specifications
Hole Diameter
165-250 mm (6.5-9.875 in)
Engine
Cat® C27
Bit Load
Up to 32 655 kg (Up to 71,993 lb)
Engine Choices
Components (1)
Dual starter motors
Components (2)
Ether starting aid (ether bottle supplied locally)
Features
Scheduled Oil Sampling (S·O·SSM) ports
Cooling
Components (1)
Coolers with easy cleaning access
Components (2)
Separate engine cooling module
Components (3)
All cooler core sections are replaceable
Components (4)
Automatic variable speed fan control
Features
Functional in ambient temperature of 52° C (125° F)
Climate Choices
Climate Level 1 Standard Fluids and Lubricants (1)
Rated down to –1° C (30° F)
Climate Level 1 Standard Fluids and Lubricants (2)
Withstands high heat to 52° C (125° F)
Climate Level 2 Arctic Fluids and Lubricants
Rated down to –18° C (–0.4° F)
Climate Level 4 Arctic Fluids and Lubricants (1)
Rated down to –40° C (–40° F)
Climate Level 4 Arctic Fluids and Lubricants (2)
Diesel fired heating system that heats and circulates engine coolant through engine block, below deck water tank, heating elements for battery trays
Climate Level 4 Arctic Fluids and Lubricants (3)
Full Arctic lubricant package to include engine and hydraulic oil
Climate Level 4 Arctic Fluids and Lubricants (4)
Electric heating package with breaker panel to power: 120V heating blanket for compressor receiver tank, heat trace for hosing from water tank to water pump and water fast-fill assembly, plus primary tank
Climate Level 4 Arctic Fluids and Lubricants (5)
Shore power connection box with switchable 240-600V (50 amp) connection (diesel gen set and/or plug supplied locally). Box includes standard 50 hz battery charger, if 60 hz charger required, to be ordered via after market, refer to P-n 540-4271
Frame and Work Deck
Features (1)
Leveling Jacks, A-frame/mast pivot and drill deck are welded integrally to mainframe for maximum durability and long life
Features (2)
Primary fuel tank capacity 1416 L (374 gal)
Features (3)
Fuel capacity expansion for additional 1416 L (374 gal) optional for total capacity of 2832 L (748 gal); (required for autonomy packages)
Features (4)
Three (3) egress points on deck areas in addition to main access
Components (1)
Stationary drill deck; for vertical and angle drilling
Components (2)
Four leveling jacks provide leveling on a 7° bench (any orientation)
Components (3)
Heavy duty tow hooks (front end)
Components (4)
Four (4) lift lugs, for use with cables or chains
Components (5)
Fixed access stairs to the cab area
Components (6)
Sturdy guardrails with toe guards, self-closing gates
Undercarriage
Model
Cat® 336E EL Excavator type
Carrier Rollers
Three (3)
Track chain guards and guides
Level two
Drawbar Pull
93745 lbf
417000 N
Triple Grousers (1)
600 mm (23.6 in); for hard rock; 0.88 bar (12.7 psi) ground bearing pressure
Triple Grousers (2)
750 mm (29.5 in); for soft rock; 1.10 bar (15.9 psi) ground bearing pressure
Hydraulics
Components (1)
Two (2) primary pumps – 145 cc (piston, with proportional electronic controls)
Components (2)
One (1) auxiliary circuit pump – 110 cc (piston, load sensing)
Components (3)
Two (2) fan pumps – 74 cc (piston, with proportional electronic controls)
Components (4)
Two (2) charge pumps – 43.9 + 56.5 cc (double stack gear, fixed displacement)
Dimensions (Approximate) - 13.6 m (44.6 ft) Mast
Width Non-Cab End
15.9 ft
4.845 m
Hydraulics
Components (5)
Scheduled Oil Sampling (S·O·S) ports
Dimensions (Approximate) - 13.6 m (44.6 ft) Mast
Width Cab End
18.45 ft
5.624 m
Hydraulic Break Out Wrench
Variable Grip Hydraulic Break Out Wrench Grip Ranges (1)
114-152 mm (4.5-6.0 in)
Variable Grip Hydraulic Break Out Wrench Grip Ranges (2)
152-216 mm (6.0-8.5 in)
Tool Package DTH
Components (7)
Pipe wiper seal
Safety and Security
Feature
Approach angle of 15 degrees facilitates loading and unloading on a lowboy
Operator Environment
Cab - Premium
– Additional storage
– Leather seat with heat and ventilation
– Heavy duty seat suspension
– Dual pane window glass
– Removable guard for driller window, plus window facing power train
– Wipers for the driller window plus front and rear windows
Operating System Controls - Standard
Components (22)
Prewired for Terrain and autonomous operation
Dimensions (Approximate) - 11.2 m (36.7 ft) Mast
Width Non-Cab End
15.9 ft
4.845 m
Safety and Security
Components (13)
Lifting lugs
Operating System Controls - Standard
Components (23)
Drill Assist automated functionality:
– Auto level, auto jack retract
– Auto mast raise and lock, auto mast unlock and park
Dimensions (Approximate) - 11.2 m (36.7 ft) Mast
Width Cab End
18.45 ft
5.625 m
Operator Environment
Cab - Standard
– Fabric seat
– Single pane window glass
– Removable guard for driller window
– Wiper for the driller window
Undercarriage
Lower rollers
Twelve (12)
Climate Choices
Climate Level 4 Arctic fluids and lubricants (6)
Breaker panel includes five (5) additional breakers for locally supplied heating elements if needed
Compressor/Receiver Choices
Receiver Tank Choice (1)
Low pressure 8.6 bar (125 psi) for ASME/CRN/AU or CE
Mast Packages
Angle Drilling
Included with either mast
Undercarriage
Travel Speed
1.5 mile/h
2.45 km/h
Compressor/Receiver Choices
Receiver Tank Choice (2)
High pressure 24.1 or 34.4 bar (350 or 500 psi) for ASME/CRN/AU or CE
Tool Package DTH
Components (8)
Drill tool lubricator is included with selection of DTH Compressor
Dimensions (Approximate) - 11.2 m (36.7 ft) Mast
Note
Width and length dimensions include: cascading stairs and walk-around access for cab.
Mast Only Shipping Length
53.5 ft
16.32 m
Dimensions (Approximate) - 13.6 m (44.6 ft) Mast
Note
Width and length dimensions include: cascading stairs and walk-around access for cab.
Mast Only Shipping Length
61.4 ft
18.72 m
Service Tool Options
Lifting Bails (Available on Request)
– API thread 89 mm (3.5 in) – to lift corresponding drill tools (6.75 in tricone bits or 6-inch class DTH hammers)
– API thread 114 mm (4.5 in) – to lift corresponding drill tooling (7.875 and 9.0 in tricone bits or 8-inch class DTH hammers)
– API thread 140 mm (5.5 in) – to lift shock sub adapter
– BECO thread 102 mm (4.0 in) – to lift corresponding drill pipe (5.5 in OD)
– BECO thread 114 mm (4.5 in) – to lift corresponding drill pipe (6.0, 6.5, 6.625 and 7.0 in OD)
– BECO thread 152 mm (6.0 in) – to lift corresponding drill pipe (7.625 in OD)
Compressor/Receiver Choices
Compressor - Rotary Drilling
56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi)
Drill Pipe
6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 4
6.5 in
165 mm
6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 1
5 in
127 mm
6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 6
7.625 in
194 mm
Engine Choices
Emissions: Equivalent to U.S. EPA Tier 4 Final - ISO 14396
872 hp
650 kW
Carousel (Mast size and pipe diameter dependent)
Pipe rack carousel, standard:
– 11.2 m (36.7 ft) Mast: holds quantity of four (4) 10.6 m (35 ft) pipes
– 13.6 m (44.6 ft) Mast: holds quantity of four (4) 6.1 m (20 ft) pipes
Drill Pipe
10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 1
5 in
127 mm
Engine Choices
Emissions: Equivalent to U.S. EPA Tier 4 Final - ISO 14396 (DIN)
884 mhp (PS)
Drill Pipe
6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 3
6 in
152 mm
Compressor/Receiver Choices
Compressor - DTH Drilling (1)
38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi)
Climate Choices
Batteries, Sealed (1)
Quantity: Four (4)
Drill Pipe
10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 6
7.625 in
194 mm
10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 4
6.5 in
165 mm
Mast Packages
Mast Accessories Manual - 11.2 m (36.7 ft) or 13.6 m (44.6 ft) Mast
One (1) wire rope pipe catcher, manual bit basket
Drill Pipe
10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 3
6 in
152 mm
Mast and Pipe Rack Carousel Features
Features (7)
Sliding deck wrench assembly
Drill Pipe
10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 2
5.5 in
140 mm
Mast and Pipe Rack Carousel Features
13.6 m (44.6 ft) Mast - Hole Diameter Range: 152-250 mm (6-9.875 in) - Single-Pass Depth
44.6 ft
13.6 m
Compressor/Receiver Choices
Compressor - DTH Drilling (2)
42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi)
Mast and Pipe Rack Carousel Features
Features (5)
Auto tensioning of pull down and hoist cables
Compressor/Receiver Choices
Features (1)
With the compressor’s variable volume control, the operator can limit air output resulting in reduced fuel consumption
Mast and Pipe Rack Carousel Features
11.2 m (36.7 ft) Mast - Hoist Speed
2.65 ft/s
0.81 m/s
Features (3)
Drill strings configured for bit changes (above the deck)
Engine Choices
Emissions: Equivalent to U.S. EPA Tier 2 - ISO 14396 (DIN)
838 mhp (PS)
Drill Pipe
10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 5
7 in
178 mm
6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 2
5.5 in
140 mm
Mast and Pipe Rack Carousel Features
Features (1)
Mast configurations complete with pipe rack carousel and angle drilling package (vertical, out to 30 degrees in 5-degree increments)
Features (8)
Configured with roller deck bushing for tricone applications, two-piece deck bushing for DTH
Drill Pipe
6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 5
7 in
178 mm
Engine Choices
Emissions: Equivalent to U.S. EPA Tier 2 - ISO 14396
826 hp
616 kW
Mast and Pipe Rack Carousel Features
Features (10)
Drill pipe positioner
Features (11)
Rotation gear box with single motor up to 160 rpm, up to 11 700 N∙m (8,629 lbf-ft) torque
Climate Choices
Batteries, Sealed (2)
Quantity: Six (6) (required for cold weather Level 2 and 4 and/or semi autonomy packages)
Mast and Pipe Rack Carousel Features
Features (9)
Closed circuit camera in mast is used to view pipe rack carousel/top drive operation while racking pipes
Mast Packages
Mast Accessories Hydraulic - 11.2 m (36.7 ft) Mast
One (1) hydraulically actuated pipe catcher, hydraulically operated bit basket
Engine Choices
Emissions: Equivalent to U.S. EPA Tier 2 - Engine Power
C27 @ 1,800 rpm
Compressor/Receiver Choices
Features (2)
Electronic compressor control and regulation
Features (3)
DTH selection includes tool oiler
Mast and Pipe Rack Carousel Features
Features (6)
Variable grip hydraulic break out wrench for range of pipe diameters
Engine Choices
Emissions: Equivalent to U.S. EPA Tier 4 Final - Engine Power
C27 @ 1,800 rpm
Mast and Pipe Rack Carousel Features
11.2 m (36.7 ft) Mast - Hole Diameter Range: 152-250 mm (6-9.875 in) - Multi-Pass Depth
Down to 53.9 m (Down to 176.7 ft)
Features (4)
Single Hydraulic Cylinder and cable system for pulldown/hoist
Mast Packages
Mast Accessories Hydraulic - 13.6 m (44.6 ft) Mast
One (1) hydraulically actuated pipe catcher, plus one (1) wire rope pipe catcher, hydraulically operated bit basket
Mast and Pipe Rack Carousel Features
Features (2)
Hydraulically actuated, self-indexing pipe rack carousel accepts pipe diameters from 127 mm (5.0 in) to 194 mm (7.625 in)
13.6 m (44.6 ft) Mast - Hole Diameter Range: 152-250 mm (6-9.875 in) - Multi-Pass Depth
Down to 37.9 m (Down to 124.6 ft)
13.6 m (44.6 ft) Mast - Hoist Speed
2.16 ft/s
0.66 m/s
11.2 m (36.7 ft) Mast - Bit Load (single pass)
Up to 22 321 kg (Up to 49,210 lb)
11.2 m (36.7 ft) Mast - Pull-Down Capacity
Up to 20 411 kg (Up to 45,000 lb)
13.6 m (44.6 ft) Mast - Bit Load (single pass)
Up to 32 655 kg (Up to 71,993 lb)
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 16 584 kg (Up to 36,563 lb)
11.2 m (36.7 ft) Mast - Hoist Capacity
Up to 15 309 kg (Up to 33,750 lb)
Tool Package Rotary
Components (1)
One-piece roller deck bushing
Components (2)
Pipe positioner rollers
Components (3)
Deck wrench
Components (4)
Top sub
Components (5)
Bit sub
Components (6)
Pipe wiper seal
Tool Package DTH
Components (1)
Two-piece roller deck bushing
Components (2)
Pipe positioner rollers
Components (3)
Deck wrench
Components (4)
Shock sub
Components (5)
Top Sub
Components (6)
Hammer Sub
Rotary Head Top Drive System
Torque - Single Motor
8629 lb/ft
11700 N·m
Rotation Speed
0-160 rpm
Components (1)
Spindle – 140 mm (5.5 in) API regular thread with splined collar
Components (2)
Rotary torque control
Components (3)
Virtual rotary head travel interlocks
Operator Environment
Cab Design
– Spacious FOPS cab is 3 m² (32.3 ft²) with an integrated operator station
– Cab rubber shock-mounts
– Operator station design integrates an ergonomic seat, joystick controls with full instrumentation, and dual 254 mm (10 in) color displays, high definition touchscreen and 12-volt power port
– Additional display screen for cc cameras; color, high-definition 254 mm (10 in)
– Three (3) cc cameras (front and left side) providing 360° vision coverage from operators seat; camera in the mast to view pipe rack carousel/top drive operation
– Power convertor 24V to 12V
– Radio-ready for communication and entertainment stereo
– Two swing-out doors and Cat keyed locks
– Literature holder
– Removable floor mat
Seating
– Seat swivels, locks and retractable, two-point/76 mm (3 in) wide seat belt, tilts (5° adjustment), lumbar support, fore/aft seat adjustment 80 mm (3.1 in)
Windows
– Large windows front, rear and right cab side; full length drill window with guard
– Windshield wipers with a common washer tank
Lighting
– LED interior lights and map light at operators seat, backlit joysticks and keypads
– Flood lights for the drill perimeter
– Spotlights for power group area; drill deck; mast carousel; access ladder and walkways
– Lighting package includes 4,200 lumens flood light on perimeter, mast clearance lights, cab mounted strobe, front mounted tram beacon
HVAC
– Floor heating vent
– Roof-mounted air conditioner/heating/pressurizing unit
– Filter access from deck
– Defogging HVAC vents on main window
Operating System Controls - Standard
Components (1)
All electric controls for drilling, tramming, leveling plus auxiliary functions
Components (2)
Electronic compressor control
Components (3)
Rotary torque control
Components (4)
Virtual rotary head travel stops and interlocks
Components (5)
Pipe positioner engaged/disengaged indicator
Components (6)
Drill depth meter
Components (7)
Drill performance and drill health display system
Components (8)
Data logging of machine health with warnings and fault code records with export capability
Components (9)
Delayed engine shut down
Components (10)
Rotary head rpm gauge (digital display in screen)
Components (11)
Filter indicators for hydraulic, fuel, compressor and engine
Components (12)
Jack pressure sensors in display
Components (13)
Dust suppression control
Components (14)
Mast lock indicator
Components (15)
ECM proportional fan speed control system
Components (16)
Tram interlock, machine stability limits
Components (17)
Tram interlock, pipe in hole
Components (18)
Tram interlock, mast up and locked or down and parked
Components (19)
Tram interlock, jack retracted
Components (20)
Tram interlock, winch parked
Components (21)
Cab environment controls (AC, filter, heat, fan speeds)
Automation and Technology
Type (1)
Cat Terrain ready
Type (2)
Autonomy ready
Components (1)
Drill depth indicator
Components (2)
Product Link™ Elite (hardware from factory, subscription package via dealer)
Dust Control Choices
Choices (1)
Water injection – tank mounted below front deck 1271 L (336 gal)
– Water flow meter, volume control, tank fill level indicator
Choices (2)
Water injection plus dry dust collector 127 m³/min (4,500 ft³/min) dust collector; includes standard water injection
– Self-cleaning filters, dust chute with ejector
Choices (3)
High volume water injection (maximum) – tanks total capacity 2786 L (736 gal)
– Tank below deck (isolated for extreme cold weather) capacity 1271 L (336 gal)
– Tank above deck capacity 1514 L (400 gal)
Choices (4)
Static dust curtains, four sided/boxed enclosed
Safety and Security
Components (1)
Alloy drill deck covers, for servicing when mast is horizontal
Components (2)
Seven (7) engine shut down buttons, by each drill egress/access point, in cab, in engine area, on drill deck
Components (3)
Over forty (40) conditional safety interlocks
Components (4)
Hinged window guard over the full length of the front drill window
Components (5)
Three (3) egress points on deck areas in addition to main access
Components (6)
Self-closing gates secure egress ladder locations
Components (7)
Electric horn activated by push button in the cab
Components (8)
Automatic tram alarm, audible
Components (9)
Under deck mounted battery box with keyed battery disconnect/starter disconnect/remote jump start terminals
Components (10)
Compressor air hoses with safety retention cables
Components (11)
Slip resistant surfaces
Components (12)
Tow hooks on non-drill-end
Service Packages
Package (1)
Fast fill for fuel and water, automated lubrication system
Package (2)
Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, blow down hose (option)
Dimensions (Approximate) - 11.2 m (36.7 ft) Mast
Height - Mast Up
56.3 ft
17.146 m
Body Length
38.41 ft
11.708 m
Length - Mast Down
58.3 ft
17.78 m
Height - Mast Down
16.84 ft
5.134 m
Dimensions (Approximate) - 13.6 m (44.6 ft) Mast
Height - Mast Up
61.13 ft
19.546 m
Body Length
38.41 ft
11.708 m
Length - Mast Down
66.17 ft
20.18 m
Height - Mast Down
16.84 ft
5.134 m
Weights
Working Weight Range
56 468 kg to 64 154 kg (124,490 lb to 141,436 lb)
Standard/Optional

Standard Equipment

POWER TRAIN CHOICES
CAB CHOICES
CONTROLS
FRAME/DECK
MAST ACCESSORIES
PIPE CAROUSEL 11.2 M (36.7 FT) MAST/10.6 M (35 FT) PIPE RACK. HOLDS QTY. OF FOUR (SELECT ONE)
PIPE CAROUSEL 13.6 M (44.6 FT) MAST/6.1 M (20 FT) PIPE RACK. HOLDS QTY. OF FOUR (SELECT ONE)
DRILL TOOL PACKAGES/ROTARY DRILLING FOR 11.2 M (36.7 FT) MAST (SELECT ONE)
DRILL TOOL PACKAGES/DTH DRILLING FOR 11.2 M (36.7 FT) MAST (SELECT ONE)
DRILL TOOL PACKAGES/ROTARY FOR 13.6 M (44.6 FT) MAST (SELECT ONE)
DRILL TOOL PACKAGES/DTH DRILLING FOR 13.6 M (44.6 FT) MAST (SELECT ONE)
TOP SUBS (ROTARY DRILLING ONLY) (SELECT ONE)
CLIMATE/REGIONAL CONSIDERATIONS
DUST SUPPRESSION
UNDERCARRIAGE; CAT 336E EL (SELECT ONE)

Optional Equipment

POWER TRAIN CHOICES
FRAME
CAB CHOICES
CONTROLS
DRILL DECK MISC.
PRODUCT LINK™/TERRAIN
OPERATOR ENVIRONMENT
FRAME/DECK
TECHNOLOGY PRODUCTS
MAST
DRILL BITS, ROTARY TRICONE
MAST ACCESSORIES
DRILL PIPE*
BREAK OUT WRENCH (SELECT ONE)
DRILL TOOL PACKAGES/DUAL PURPOSE DRILLING FOR 11.2 M (36.7 FT) MAST
SHOCK ABSORBER WITH CROSSOVER ADAPTER (REQUIRED FOR DTH, OPTIONAL FOR ROTARY DRILLING) (SELECT ONE)
SHOCK SUB FOR DUAL PURPOSE DRILLING/11.2 M (36.7 FT) MAST
DRILL PIPE – 6.1 M (20 FT) PIPE FOR 13.7 M (44.9 FT) MAST; CAROUSEL HOLDS QTY. OF FOUR
DRILL PIPE – 10.6 M (35 FT) PIPE FOR 11.2 M (36.7 FT) MAST; CAROUSEL HOLDS QTY. OF FOUR
DRILL PIPE – 10.6 M (35 FT) PIPE FOR 11.2 M (36.7 FT) MAST; DUAL PURPOSE CAROUSEL HOLDS QTY. OF TWO
TRICONE DRILLING BITS GROUP – QTY. 9 PER PALLET
DTH HAMMERS AND BITS
SERVICE PACKAGES/FLUIDS SYSTEM FOR 11.2 M (36.7 FT) OR 13.6 M (44.6 FT) MAST IN ANGLE DRILLING
SERVICE TOOLS
CLIMATE/REGIONAL CONSIDERATIONS
DUST SUPPRESSION

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