MD6250 Rotary Blasthole Drill Specifications

Specifications

Hole Diameter

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

Engine

C27 ACERT™ @ 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