MD6250 Rotary Blasthole Drill Specifications

Specifications

Bit Load

Up to 32 655 kg (Up to 71,993 lb)

Hole Diameter

Up to 152-250 mm (Up to 6-9.8 in)

Engine

C27 ACERT™ @ 1,800 rpm

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

36.7ft

11.2 m (36.7 ft) Mast - Hole Depth Range - Multi Pass Depth

Down to 53.9 m (Down to 176.7 ft)

11.2 m (36.7 ft) Mast - Pulldown 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

2.65ft/s

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

44.6ft

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 - Pulldown 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

2.16ft/s

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 4 Final - Engine

C27 ACERT @ 1,800 rpm

U.S. EPA Tier 4 Final - Emissions

U.S. EPA Tier 4 Final

Compressor - Rotary Drilling

56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi)

Compressor - DTH Drilling (1)

38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi)

Compressor - DTH Drilling (2)

42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi)

Angle Drilling

Vertical to 30° (in 5° increments)

U.S. EPA Tier 2 Equivalent - Power Rating (ISO 14396)

826HP

U.S. EPA Tier 4 Final - Power Rating (ISO 14396)

872HP

Engine Choices

Components (1)

Dual starter motors

Components (2)

Common air intake filters provide +500 hour service interval in normal operating conditions

Components (3)

Ether starting aid (ether bottle supplied locally)

Features

Scheduled oil sampling (S·O·SSM) ports

Compressor Choices

DTH Drilling

Includes tool lubrication system and hammer storage

DTH Drilling - 1350 cfm/500 psi

38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi) includes 113.5 L (30 gal) tool oiler

DTH Drilling - 1500 cfm/350 psi

42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi) includes 113.5 L (30 gal) tool oiler

Rotary Drilling

Optional tool lubrication system

Rotary Drilling - 2000 cfm/125 psi

56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi)

Choice

Electronic compressor control and regulation with purged air lines

Note

With the compressor’s variable volume control, the operator can limit air output resulting in reduced fuel consumption. Both high and low pressure compressors contain this feature.

Receiver Tank Choices

Choice (1)

Low pressure 8.6 bar (125 psi) for ASME/CRN/AU or CE

Choice (2)

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

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, with a provision for fuel tanks.

Climate Level 4 Arctic Fluids and Lubricants (3)

Full Arctic lubricant package to include: engine oil, compressor oil 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, compressor control box, heat trace for compressor control lines, heat trace for hosing from water tank to water pump and water fast-fill assembly, plu

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

Climate Level 4 Arctic fluids and lubricants (6)

Breaker panel includes five (5) additional breakers for locally supplied heating elements if needed.

Frame and Work Deck

Features (1)

Jacks, mast pivot and deck are welded integrally to mainframe for maximum durability and long life

Features (2)

Slip resistant surfaces

Features (3)

Fuel tank capacity 1416 L (374 gal)

Features (4)

Fuel capacity expansion for additional 1416 L (374 gal)

Features (5)

Three (3) egress points on deck areas in addition to main access

Features (6)

Walk-around cab access (with railing and toe guards) for cab perimeter to drill deck (option)

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)

Pipe guide roller assembly mounted on drill deck for loading drill pipe

Components (6)

Cab-roof access ladder with guard plus roof safety railing for ease of access to air conditioner/pressurizer/heater (option)

Features (7)

Platform to mount fire suppression bottles and/or diesel gen set on non-drill-end (option)

Frame Access Choices

Choice (1)

Fixed access stairs to the cab area

Choice (2)

Cascading hydraulic stairs with walkway around the cab to the drill deck (option). Includes jack and tram interlock activated when the stairs are down

Drill Deck Misc.

Components (1)

Toolbox (option)

Components (2)

Hydraulic viewing hatch on drill deck with spotlight (option)

Components (3)

Drill pipe thread greaser actuated from the cab (option)

Components (4)

Jib crane ready (option)

Undercarriage

Model

Cat® 336E EL Excavator type

Carrier Rollers

Three (3)

Track chain guards and guides

Level two

Drawbar Pull

93745lbf

Triple Grousers (1)

600 mm (23.6 in); for hard rock 0.88 bar (12.7 psi) ground pressure

Triple Grousers (2)

750 mm (29.5 in); for soft rock 1.10 bar (15.9 psi) ground pressure

Lower rollers

Twelve (12)

Travel Speed

1.5mile/h

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)

Components (5)

Scheduled Oil Sampling (S·O·S) ports

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

Width Non-Cab End

15.9ft

Width Cab End

18.45ft

Note

Width and length dimensions include: cascading stairs and walk-around access for cab.

Mast Only Shipping Length

61.4ft

Height - Mast Up

61.13ft

Body Length

38.41ft

Length - Mast Down

66.17ft

Height - Mast Down

16.84ft

Tool Package DTH

Components (7)

Pipe wiper seal

Components (8)

Drill tool lubricator is included with selection of DTH Compressor

Components (1)

Two-piece roller deck bushings

Components (2)

Pipe positioner rollers

Components (3)

Deck wrench

Components (4)

Shock sub

Components (5)

Top Sub

Components (6)

Hammer Sub

Tool Package Rotary

Components (7)

Drill tool lubricator (optional)

Components (8)

Shock sub (option)

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

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

Width Non-Cab End

15.9ft

Width Cab End

18.45ft

Note

Width and length dimensions include: cascading stairs and walk-around access for cab.

Mast Only Shipping Length

53.5ft

Height - Mast Up

56.3ft

Body Length

38.41ft

Length - Mast Down

58.3ft

Height - Mast Down

16.84ft

Safety and Security

Components (13)

Lifting lugs

Components (14)

Front window guard (option)

Feature (1)

Platform on non-drill-end for mounting fire suppression bottles and/or diesel gen set (option)

Feature (2)

Approach angle of 15 degrees facilitates loading and unloading on a lowboy

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

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

Carousel (Mast size and pipe diameter dependent)

Standard carousel pipe: 6.1 m (20 ft) pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4)

– 127 mm (5.0 in)
– 140 mm (5.5 in)
– 152 mm (6.0 in)
– 165 mm (6.5 in)
– 178 mm (7.0 in)
– 194 mm (7.625 in)

Standard carousel pipe: 10.6 m (35 ft) pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4)

– 127 mm (5.0 in)
– 140 mm (5.5 in)
– 152 mm (6.0 in)
– 165 mm (6.5 in)
– 178 mm (7.0 in)
– 194 mm (7.625 in)

Dual purpose carousel pipe: 11.2 m (36.7 ft) Mast: holds quantity of two (2) 10.6 m (35 ft) pipes and quantity of two (2) 7.62 m (25 ft) pipes, and adaptors to connect to DTH hammer and tricone bit (DTH hammer and tricone not included)

Dual purpose pipe carousel accepts 140 mm (5.5 in) or 168 mm (6.625 in) pipe – contact factory for additional pipe diameters

Dust Control Choices

Water Injection plus Dry Dust Collector (2)

Self-cleaning filters, dust chute with ejector

Water Injection plus Dry Dust Collector (1)

127 m³/min (4,500 ft³/min) dust collector; includes standard water injection

Water Injection - Tank Mounted Below Front Deck

336gal (US)

High Volume Water Injection - Maximum - Tanks Total Capacity

736gal (US)

Tank Below Deck - Capacity - Isolated for Extreme Cold Weather

336gal (US)

Tank Above Deck - Capacity

400gal (US)

Choices (1)

Water flow meter, volume control, tank fill level indicator

Choices (2)

Static dust curtains, four sided/boxed enclosed

Choices (3)

Dust curtain hydraulic lifters raise front and rear dust curtains (option) (recommended with dust collector)

Choices (4)

Tram off spray to wet the ground around the cuttings pile (option)

Mast and Pipe Carousel Features

Features (1)

Pipe 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

Features (2)

Pipe carousel, dual purpose:
– 11.2 m (36.7 ft) Mast: holds quantity of two (2) 10.6 m (35 ft) pipes and quantity of two (2) 7.62 m (25 ft) pipes, and adapters to connect to DTH hammer and tricone bit (DTH hammer and tricone not included)
– Accepts

Features (3)

Vertical or angle drilling 0-30°; in 5° increments

Features (4)

Hydraulically actuated, self-indexing pipe carousel accepts pipe diameters from 127 mm (5.0 in) to 194 mm (7.625 in)

Features (5)

Drill strings configured for bit changes (above the deck)

Features (6)

Single cylinder pulldown/hoist system

Features (7)

Auto tensioning of pull down and hoist cables

Features (8)

Sliding deck wrench assembly

Features (9)

Configured with roller deck bushing

Features (10)

Overhead winch with cable and hook plus remote control; variable speed drive with ? 1818 kg (4,000 lb) rating, length to reach 6.1 m (20 ft) past drill deck (option)

Features (11)

Tool oiler, 113.5 L (30 gal) oil injection system (option for low pressure compressor configurations)

Features (12)

Variable grip hydraulic break out wrench 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 (13)

Closed circuit camera in mast is used to view pipe carousel/top drive operation while racking pipes

Features (14)

Pipe positioner for angle drilling or multi-pass pipe handling, actuated from the cab, with safety interlocks

Features (15)

Rotation gear box with single motor, up to 160 rpm, up to 11 600 N?m (8,555 lbf-ft) torque

Mast Accessories

Accessory (1)

11.2 m (36.7 ft) or 13.6 m (44.6 ft) Manual pipe catcher – One (1) wire rope pipe catcher, manual bit basket

Accessory (2)

11.2 m (36.7 ft) Mast, One (1) hydraulically actuated pipe catcher, hydraulically operated bit basket

Accessory (3)

13.6 m (44.6 ft) Mast, One (1) hydraulically actuated pipe catcher, plus one (1) wire rope pipe catcher, hydraulically operated bit basket

Overhead Winch System with Remote - Option

Capacity Rating

4000lb

Cable Diameter

0.5in

Reach - Past the Drill Deck

20ft

Components

Variable speed drive

Rotary Head Top Drive System

Torque - Single Motor

8629lb/ft

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 has 3 m2 (32.3 ft2) floor space with an integrated operator station
– Cab rubber shock-mounts absorb mechanical vibration and restrict exterior noise
– Operator station design integrates an ergonomic seat, joystick controls with

Cab Packages

– Standard configuration includes a fabric seat, single pane window glass, and wiper for the driller window
– Premium configuration includes additional storage, a leather seat with heat and ventilation, heavy duty suspension, dual pane window glass, a

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)
– Fold away trainer’s seat with seat belt (option)

Windows

– Large windows front, rear and right cab side; full length drill window with guard
– Windshield wipers with a common washer tank
– Window shades (option)
– 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 1,300 lum

HVAC

– Floor heating vent
– Roof-mounted air conditioner/heating/pressurizing unit
– Filter access from deck, 500 service interval
– Defogging HVAC vents on main window

Cameras

– Three (3) 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 (1)

All electric controls for drilling, tramming, leveling plus auxiliary functions

Components (2)

Rotary torque control

Components (3)

Virtual rotary head travel stops

Components (4)

Pipe positioner engaged/disengaged indicator, with interlock

Components (5)

Drill depth meter

Components (6)

Drill performance and display system

Components (7)

Delayed engine shut down

Components (8)

Filter indicators for hydraulic, fuel, compressor and engine

Components (9)

Jack pressure sensors in display

Components (10)

Data logging of machine health with warnings and fault code records with export capability

Components (11)

Dust suppression control

Components (12)

Mast lock indicator

Components (13)

ECM proportional fan speed control system

Components (14)

Tram interlock, machine stability limits

Components (15)

Tram interlock, pipe in hole

Components (16)

Tram interlock, mast up and locked or down and parked

Components (17)

Tram interlock, jack retracted

Components (18)

Tram interlock, winch parked

Components (19)

Cab environment controls (AC, filter, heat, fan speeds)

Components (20)

Pre wired for Terrain and Autonomous Operation

Components (21)

Drill Assist automated functionality:
– Auto level, auto jack retract
– Auto mast raise and lock, auto mast unlock and park

Premium Controls

Components (1)

Drill Assist automated functionality:
– Auto drill single pass (option)

Automation and Technology

Type (1)

Cat Terrain ready

Type (2)

Autonomy ready

Components (1)

Drill performance indicators: feed and rotary torque pressure, head RPM, bit air pressure, target depth and drill depth, pipe counter, water injection flow rate, advance per revolution, rate of penetration

Components (2)

Drill Assist (auto level, auto retract jacks, auto raise and lower mast, single-pass auto drill)

Components (3)

Product Link Elite

Service Packages

Package (1)

Basic – Centralized manual lubrication for all pivot points, gravity fill for fuel and water

Package (2)

Standard – Fast fill for fuel and water, automated lubrication system (option)

Package (3)

Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, blow down hose (option)

Weights

Working Weight Range

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