Drills

MD6250

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Overview

MD6250 Rotary Blasthole Drill

Specifications

Units:
Bit Load Up to 32 655 kg (Up to 71,993 lb) Up to 32 655 kg (Up to 71,993 lb) Less
Hole Diameter Up to 152-250 mm (Up to 6-9.8 in) Up to 152-250 mm (Up to 6-9.8 in) Less
Engine C27 ACERT™ @ 1,800 rpm C27 ACERT™ @ 1,800 rpm Less

Basic Specs

11.2 m (36.7 ft) Mast - Hole Diameter Range Up to 152-250 mm (Up to 6-9.8 in) Up to 152-250 mm (Up to 6-9.8 in) Less
11.2 m (36.7 ft) Mast - Hole Depth Range - Single Pass Depth 36.7 ft 11.2 m Less
11.2 m (36.7 ft) Mast - Hole Depth Range - Multi Pass Depth Down to 53.6 m (Down to 176.7 ft) Down to 53.6 m (Down to 176.7 ft) Less
11.2 m (36.7 ft) Mast - Pulldown Capacity Up to 20 411 kgf (Up to 45,000 lbf) Up to 20 411 kgf (Up to 45,000 lbf) Less
11.2 m (36.7 ft) Mast - Hoist Capacity Up to 20 411 kgf (Up to 45,000 lbf) Up to 20 411 kgf (Up to 45,000 lbf) Less
11.2 m (36.7 ft) Mast - Hoist Speed 2.67 ft/s 0.81 m/s Less
11.2 m (36.7 ft) Mast - Bit Load - Single Pass Up to 22 321 kg (Up to 49,210 lb) Up to 22 321 kg (Up to 49,210 lb) Less
13.6 m (44.6 ft) Mast - Hole Diameter Range Up to 152-250 mm (Up to 6-9.8 in) Up to 152-250 mm (Up to 6-9.8 in) Less
13.6 m (44.6 ft) Mast - Hole Depth Range - Single Pass Depth 44.6 ft 13.6 m Less
13.6 m (44.6 ft) Mast - Hole Depth Range - Multi Pass Depth Down to 37.9 m (Down to 124.6 ft) Down to 37.9 m (Down to 124.6 ft) Less
13.6 m (44.6 ft) Mast - Pulldown Capacity Up to 29 483 kgf (Up to 65,000 lbf) Up to 29 483 kgf (Up to 65,000 lbf) Less
13.6 m (44.6 ft) Mast - Hoist Capacity Up to 22 113 kgf (Up to 48,750 lbf) Up to 22 113 kgf (Up to 48,750 lbf) Less
13.6 m (44.6 ft) Mast - Hoist Speed 2.16 ft/s 0.66 m/s Less
13.6 m (44.6 ft) Mast - Bit Load - Single Pass Up to 32 655 kg (Up to 71,993 lb) Up to 32 655 kg (Up to 71,993 lb) Less
U.S. EPA Tier 2 Equivalent - Engine C27 ACERT @ 1,800 rpm C27 ACERT @ 1,800 rpm Less
U.S. EPA Tier 2 Equivalent - Emissions U.S. EPA Tier 2 equivalent U.S. EPA Tier 2 equivalent Less
U.S. EPA Tier 2 Equivalent - Rated Horsepower 875.0 HP 652.0 kW Less
U.S. EPA Tier 2 Equivalent - Elevation Capability 15000.0 ft 4750.0 m Less
U.S. EPA Tier 4 Final - Engine C27 ACERT @ 1,800 rpm C27 ACERT @ 1,800 rpm Less
U.S. EPA Tier 4 Final - Emissions U.S. EPA Tier 4 Final U.S. EPA Tier 4 Final Less
U.S. EPA Tier 4 Final - Rated Horse Power 879.0 HP 655.0 kW Less
U.S. EPA Tier 4 Final - Elevation Capability 12000.0 ft 3658.0 m Less
Compressor - Rotary Drilling 56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi) 56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi) Less
Compressor - DTH Drilling (1) 38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi) 38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi) Less
Compressor - DTH Drilling (2) 42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi) 42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi) Less
Angle Drilling Available 30° (in 5° increments) 30° (in 5° increments) Less

Engine Choices

U.S. EPA Tier 2 Equivalent - Engine C27 ACERT @ 1,800 rpm C27 ACERT @ 1,800 rpm Less
U.S. EPA Tier 2 Equivalent - Emissions U.S. EPA Tier 2 equivalent U.S. EPA Tier 2 equivalent Less
U.S. EPA Tier 2 Equivalent - Rated Horsepower 875.0 HP 652.0 kW Less
U.S. EPA Tier 4 Final - Engine C27 ACERT @ 1,800 rpm C27 ACERT @ 1,800 rpm Less
U.S. EPA Tier 4 Final - Emissions U.S. EPA Tier 4 Final U.S. EPA Tier 4 Final Less
U.S. EPA Tier 4 Final - Rated Horse Power 879.0 HP 655.0 kW Less
Components (1) Dual starter motors Dual starter motors Less
Components (2) Ether starting aid Ether starting aid Less
Components (3) Common air intake filters provide +500 hour service interval normal operating conditions Common air intake filters provide +500 hour service interval normal operating conditions Less
Features Scheduled oil sampling (S·O·S℠) ports Scheduled oil sampling (S·O·S℠) ports Less

Compressor Choices

DTH Drilling Includes tool lubrication system and hammer storage Includes tool lubrication system and hammer storage Less
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 38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi) includes 113 L (30 gal) tool oiler Less
DTH Drilling - 1500 cfm/350 psi 42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi) includes 113 L (30 gal) tool oiler 42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi) includes 113 L (30 gal) tool oiler Less
Rotary Drilling Optional tool lubrication system Optional tool lubrication system Less
Rotary Drilling - 2000 cfm/125 psi 56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi) 56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi) Less
Choice Compressor control box enclosure with purged air lines Compressor control box enclosure with purged air lines Less
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. 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. Less

Receiver Tank Choices

Choice (1) Low pressure 8.6 bar (125 psi) for ASME/CRN/AU or CE Low pressure 8.6 bar (125 psi) for ASME/CRN/AU or CE Less
Choice (2) High pressure 24.1 or 34.4 bar (350 or 500 psi) for ASME/CRN/AU or CE High pressure 24.1 or 34.4 bar (350 or 500 psi) for ASME/CRN/AU or CE Less

Cooling

Components (1) Coolers with easy cleaning access Coolers with easy cleaning access Less
Components (2) Separate engine cooling module Separate engine cooling module Less
Components (3) All cooler core sections are replaceable All cooler core sections are replaceable Less
Components (4) Automatic variable speed fan control Automatic variable speed fan control Less
Features Functional in ambient temperature of 52° C (125° F) Functional in ambient temperature of 52° C (125° F) Less

Climate Choices

Climate Level 1 Standard Fluids and Lubricants (1) –1° C (30° F) –1° C (30° F) Less
Climate Level 1 Standard Fluids and Lubricants (2) Withstands high heat to 52° C (125° F) Withstands high heat to 52° C (125° F) Less
Climate Level 2 Arctic Fluids and Lubricants –18° C (–0.4° F) –18° C (–0.4° F) Less
Climate Level 4 Arctic Fluids and Lubricants (1) –40° C (–40° F) Level 4 Arctic fluids and lubricants; –40° C (–40° F) Temps –40° C (–40° F) Level 4 Arctic fluids and lubricants; –40° C (–40° F) Temps Less
Climate Level 4 Arctic Fluids and Lubricants (2) Engine coolant and water tank heater, battery trays and provision for fuel heating – diesel fired Engine coolant and water tank heater, battery trays and provision for fuel heating – diesel fired Less
Climate Level 4 Arctic Fluids and Lubricants (3) 50 Hz High Pressure (or choose Low Pressure) Compressor, Tier 4 engine 50 Hz High Pressure (or choose Low Pressure) Compressor, Tier 4 engine Less
Climate Level 4 Arctic Fluids and Lubricants (4) Arctic fluids, genset ready heater, blankets for tanks and batteries, heated water suction lines, drill pipe thread grease bucket Arctic fluids, genset ready heater, blankets for tanks and batteries, heated water suction lines, drill pipe thread grease bucket Less
Climate Level 4 Arctic Fluids and Lubricants (5) Shore power connection box with switchable 240-600 volt, 50 amp waterproof connection Shore power connection box with switchable 240-600 volt, 50 amp waterproof connection Less

Frame and Work Deck

Features (1) Jacks, mast pivot and deck are welded integrally to mainframe for maximum durability and long life Jacks, mast pivot and deck are welded integrally to mainframe for maximum durability and long life Less
Features (2) Slip resistant surface on all decks and walkways Slip resistant surface on all decks and walkways Less
Features (3) Fuel tank capacity 1609 L (425 gal) Fuel tank capacity 1609 L (425 gal) Less
Features (4) Fuel capacity expansion for additional 1609 L (425 gal) Fuel capacity expansion for additional 1609 L (425 gal) Less
Features (5) Three (3) egress points on deck areas in addition to main access Three (3) egress points on deck areas in addition to main access Less
Features (6) Platform to mount fire suppression bottles Platform to mount fire suppression bottles Less
Components (1) Stationary drill deck for vertical and angle drilling Stationary drill deck for vertical and angle drilling Less
Components (2) Four leveling jacks provide leveling on a 7° bench (any orientation) Four leveling jacks provide leveling on a 7° bench (any orientation) Less
Components (3) Heavy duty tow hooks (front end) Heavy duty tow hooks (front end) Less
Components (4) Four (4) lift lugs, for use with cables or chains Four (4) lift lugs, for use with cables or chains Less
Components (5) Walkway, with railing and toe guards, for cab perimeter to drill deck Walkway, with railing and toe guards, for cab perimeter to drill deck Less
Components (6) Pipe guide roller assembly mounted on drill deck for loading drill pipe Pipe guide roller assembly mounted on drill deck for loading drill pipe Less

Frame Access Choices

Choice (1) Fixed access ladder to the cab area with spring loaded self-closing gate Fixed access ladder to the cab area with spring loaded self-closing gate Less
Choice (2) Cascading, hydraulic stairs with walkway around the cab to the deck. Includes tram interlock for when the ladder is down. Cascading, hydraulic stairs with walkway around the cab to the deck. Includes tram interlock for when the ladder is down. Less

Drill Deck Misc.

Components (1) Toolbox Toolbox Less
Components (2) Hydraulic viewing hatch on drill deck with spotlight Hydraulic viewing hatch on drill deck with spotlight Less
Components (3) Drill pipe thread greaser with remote fill tank or disposable grease bucket Drill pipe thread greaser with remote fill tank or disposable grease bucket Less
Components (4) Jib crane ready (option) Jib crane ready (option) Less

Undercarriage

Model Cat® 336E EL Excavator type Cat® 336E EL Excavator type Less
Ground Clearance 24.0 in 610.0 mm Less
Carrier Rollers Three carrier rollers Three carrier rollers Less
Track chain guards and guides Level two Level two Less
Drawbar Pull 93745.0 lbf 417000.0 N Less
Travel Speed Display 1.5 mile/h 2.45 km/h Less
Triple Grousers (1) 600 mm (23.6 in); for hard rock 1.44 bar (21 psi) ground pressure 600 mm (23.6 in); for hard rock 1.44 bar (21 psi) ground pressure Less
Triple Grousers (2) 750 mm (29.5 in); for soft rock 1.17 bar (17 psi) ground pressure 750 mm (29.5 in); for soft rock 1.17 bar (17 psi) ground pressure Less

Hydraulics

Components (1) Auxiliary circuit pump Auxiliary circuit pump Less
Components (2) Two fan pumps Two fan pumps Less
Components (3) Two primary pumps Two primary pumps Less
Components (4) Charge pump Charge pump Less
Components (5) Scheduled Oil Sampling (S·O·S) ports Scheduled Oil Sampling (S·O·S) ports Less

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

Width Cab End 18.45 ft 5.624 m Less
Width Non-Cab End 15.81 ft 4.819 m Less
Height - Mast Up 55.81 ft 17.011 m Less
Body Length 38.41 ft 11.708 m Less
Length - Mast Down 58.13 ft 17.721 m Less
Height - Mast Down 16.84 ft 5.134 m Less
Mast Only Length 36.7 ft 11.2 m Less

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

Width Cab End 18.45 ft 5.624 m Less
Width Non-Cab End 15.81 ft 4.819 m Less
Height - Mast Up 63.84 ft 19.46 m Less
Body Length 38.41 ft 11.708 m Less
Length - Mast Down 66.17 ft 20.17 m Less
Height - Mast Down 16.84 ft 5.134 m Less
Mast Only Length 44.6 ft 13.6 m Less

Drill Pipe - Mast Size Dependent

Dual purpose carousel pipe: 10.6 m (35 ft) pipes for 11.2 m (36.7 ft) Mast - Accepts quantity of two (2) – Quantity of two (2) 7.6 m (25 ft) starter pipes (included in the drill tool package)
– 168 mm (6.625 in) – Quantity of two (2) 7.6 m (25 ft) starter pipes (included in the drill tool package)
– 168 mm (6.625 in)		 Less
Dual purpose carousel pipe: 6.1 m (20 ft) pipes for 13.6 m (44.6 ft) Mast - Accepts quantity of two (2) – Quantity of two (2) 3 m (10 ft) starter pipes (included in the drill tool package)
– 140 mm (5.5 in)
– 168 mm (6.625 in) – Quantity of two (2) 3 m (10 ft) starter pipes (included in the drill tool package)
– 140 mm (5.5 in)
– 168 mm (6.625 in)		 Less
Standard carousel pipe: 10.6 m (35 ft) pipes for 11.2 m (36.7 ft) Mast - Accepts 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) – 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)		 Less
Standard carousel pipe: 6.1 m (20 ft) pipes for 13.6 m (44.6 ft) Mast - Accepts 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) – 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)		 Less

Safety and Security

Components (13) Lifting lugs Lifting lugs Less
Feature (1) Platform for mounting fire suppression bottles Platform for mounting fire suppression bottles Less
Feature (2) Approach angle of 15 degrees facilitates loading and unloading on a lowboy Approach angle of 15 degrees facilitates loading and unloading on a lowboy Less
Components (1) Alloy drill deck covers, for servicing when mast is horizontal Alloy drill deck covers, for servicing when mast is horizontal Less
Components (2) Seven (7) engine shut down buttons, by each drill egress/access point, in cab, in engine area, on drill deck Seven (7) engine shut down buttons, by each drill egress/access point, in cab, in engine area, on drill deck Less
Components (3) Conditional safety interlocks Conditional safety interlocks Less
Components (4) Hinged window guard over the full length of the front drill window Hinged window guard over the full length of the front drill window Less
Components (5) Three (3) egress points on deck areas in addition to main access Three (3) egress points on deck areas in addition to main access Less
Components (6) Self-closing gates secure egress ladder locations Self-closing gates secure egress ladder locations Less
Components (7) Electric horn activated by push button in the cab Electric horn activated by push button in the cab Less
Components (8) Automatic tram alarm with yellow strobe light Automatic tram alarm with yellow strobe light Less
Components (9) Under deck mount battery box with keyed battery disconnect/starter lockout/remote jump start terminals Under deck mount battery box with keyed battery disconnect/starter lockout/remote jump start terminals Less
Components (10) Air hoses have a retention device Air hoses have a retention device Less
Components (11) Slip resistant surfaces Slip resistant surfaces Less
Components (12) Tow hooks Tow hooks Less

Mast and Pipe Carousel Features

Features (1) Pipe carousel, standard:
– 11.2 m (36.7 ft) Mast: Accepts quantity of four (4) 10.6 m (35 ft) pipes
– 13.6 m (44.6 ft) Mast: Accepts quantity of four (4) 6.1 m (20 ft) pipes Pipe carousel, standard:
– 11.2 m (36.7 ft) Mast: Accepts quantity of four (4) 10.6 m (35 ft) pipes
– 13.6 m (44.6 ft) Mast: Accepts quantity of four (4) 6.1 m (20 ft) pipes		 Less
Features (2) Pipe carousel, dual purpose:
– 11.2 m (36.7 ft) Mast: Accepts quantity of two (2) 10.6 m (35 ft) pipes and quantity of two (2) 7.6 m (25 ft) starter pipes (starter pipes are already included with tool group order)
– 13.6 m (44.6 ft) Mast: Accepts quantity of two (2) 6.1 m (20 ft) pipes and quantity of two (2) 3 m (10 ft) starter pipes (starter pipes are already included with tool group order) Pipe carousel, dual purpose:
– 11.2 m (36.7 ft) Mast: Accepts quantity of two (2) 10.6 m (35 ft) pipes and quantity of two (2) 7.6 m (25 ft) starter pipes (starter pipes are already included with tool group order)
– 13.6 m (44.6 ft) Mast: Accepts quantity of two (2) 6.1 m (20 ft) pipes and quantity of two (2) 3 m (10 ft) starter pipes (starter pipes are already included with tool group order)		 Less
Features (3) Vertical or angle drilling 0-30°; in 5° increments Vertical or angle drilling 0-30°; in 5° increments Less
Features (4) Hydraulically actuated, self-indexing pipe carousel accepts various pipe diameters Hydraulically actuated, self-indexing pipe carousel accepts various pipe diameters Less
Features (5) All mast configurations are designed for changing bit above deck All mast configurations are designed for changing bit above deck Less
Features (6) Single cylinder pulldown/hoist system Single cylinder pulldown/hoist system Less
Features (7) Auto tensioning of pull down and hoist cables Auto tensioning of pull down and hoist cables Less
Features (8) Deck wrench fits flats of corresponding drill pipe diameters and DTH hammer Deck wrench fits flats of corresponding drill pipe diameters and DTH hammer Less
Features (9) Feed system accommodates multiple pipe diameters Feed system accommodates multiple pipe diameters Less
Features (10) Base plate bushing diameters accommodate bits 152-216 mm (6.0-8.5 in) Base plate bushing diameters accommodate bits 152-216 mm (6.0-8.5 in) Less
Features (11) Hydraulic break out wrenches (HOBO) available with adjustable grip ranges Hydraulic break out wrenches (HOBO) available with adjustable grip ranges Less
Features (12) Configured with roller deck bushing Configured with roller deck bushing Less
Features (13) Pipe positioner with pipe diameter specific inserts Pipe positioner with pipe diameter specific inserts Less
Features (14) 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) 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) Less
Features (15) Tool oiler, 113 L (30 gal) oil injection system Tool oiler, 113 L (30 gal) oil injection system Less
Features (16) 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) 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) Less
Features (17) Camera on mast is closed circuit and used to view the pipe carousel/top drive operation Camera on mast is closed circuit and used to view the pipe carousel/top drive operation Less
Features (18) Pipe positioner for angle drilling, multi-pass pipe handling Pipe positioner for angle drilling, multi-pass pipe handling Less
Features (19) Rotation gear box with single motor, up to 160 rpm, up to 11 600 N·m (8,555 lbf-ft) torque Rotation gear box with single motor, up to 160 rpm, up to 11 600 N·m (8,555 lbf-ft) torque Less
Features (20) Pipe catchers are available for manual or hydraulically activated operation Pipe catchers are available for manual or hydraulically activated operation Less

Mast Packages - Standard or Premium Choices

11.2 m (36.7 ft) Mast - Single Pass Depth 36.7 ft 11.2 m Less
11.2 m (36.7 ft) Mast - Multi Pass Depth Down to 53.6 m (Down to 176.7 ft) Down to 53.6 m (Down to 176.7 ft) Less
11.2 m (36.7 ft) Mast - Pulldown - Rated Single Cylinder Pulldown/Hoist System Up to 20 411 kgf (Up to 45,000 lbf) Up to 20 411 kgf (Up to 45,000 lbf) Less
11.2 m (36.7 ft) Mast - Hoist Up to 20 411 kgf (Up to 45,000 lbf) Up to 20 411 kgf (Up to 45,000 lbf) Less
13.6 m (44.6 ft) Mast - Single Pass Depth 44.6 ft 13.6 m Less
13.6 m (44.6 ft) Mast - Multi Pass Depth Down to 37.9 m (Down to 124.6 ft) Down to 37.9 m (Down to 124.6 ft) Less
13.6 m (44.6 ft) Mast - Pulldown Up to 29 483 kgf (Up to 65,000 lbf) Up to 29 483 kgf (Up to 65,000 lbf) Less
13.6 m (44.6 ft) Mast - Hoist Up to 22 113 kgf (Up to 48,750 lbf) Up to 22 113 kgf (Up to 48,750 lbf) Less
Angle Drilling Available with any mast Available with any mast Less

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 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 Less
Accessory (2) 11.2 m (36.7 ft) Mast Hydraulic – One (1) hydraulic pipe catcher, hydraulically actuated pipe positioner, hydraulic bit basket 11.2 m (36.7 ft) Mast Hydraulic – One (1) hydraulic pipe catcher, hydraulically actuated pipe positioner, hydraulic bit basket Less
Accessory (3) 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 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 Less

Tool Package Rotary

Components (1) One-piece roller deck bushing One-piece roller deck bushing Less
Components (2) Pipe positioner roller Pipe positioner roller Less
Components (3) Deck wrench Deck wrench Less
Components (4) Cross over subs Cross over subs Less
Components (5) Pipe wiper seal Pipe wiper seal Less
Components (6) Drill tool lubricator (optional) Drill tool lubricator (optional) Less

Tool Package DTH

Components (1) Two-piece bushing Two-piece bushing Less
Components (2) Pipe positioner roller Pipe positioner roller Less
Components (3) Deck wrench Deck wrench Less
Components (4) Cross over adapter for hammer Cross over adapter for hammer Less
Components (5) Pipe wiper seal Pipe wiper seal Less
Components (6) Drill tool lubricator is included with selection of DTH Compressor Drill tool lubricator is included with selection of DTH Compressor Less

Overhead Winch System with Remote - Option

Capacity Rating 4000.0 lb 1818.0 kg Less
Cable Diameter 0.5 in 13.0 mm Less
Reach - Past the Drill Deck 20.0 ft 6.1 m Less
Components Variable speed drive Variable speed drive Less

Rotary Head Top Drive System

Torque - Single Motor 8629.0 lb/ft 11700.0 N·m Less
Rotation Speed 0-150 rpm 0-150 rpm Less
Components (1) Spindle – 140 mm (5.5 in) API regular thread with splined collar, shock sub Spindle – 140 mm (5.5 in) API regular thread with splined collar, shock sub Less
Components (2) Rotary torque control Rotary torque control Less
Components (3) Virtual rotary head travel interlocks Virtual rotary head travel interlocks Less

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 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)
– Power convertor 24V to 12V
– Radio-ready for communication and entertainment stereo
– Cab roof access system with ladder, cage and rails (optional)
– Two swing out doors and Cat keyed locks
– Literature holder – 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 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)
– Power convertor 24V to 12V
– Radio-ready for communication and entertainment stereo
– Cab roof access system with ladder, cage and rails (optional)
– Two swing out doors and Cat keyed locks
– Literature holder		 Less
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 removable guard for front window, a foot rest, wipers for the driller window plus front and rear windows – 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 removable guard for front window, a foot rest, wipers for the driller window plus front and rear windows		 Less
Seating – 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 seat belt (option) – 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 seat belt (option)		 Less
Windows – Large windows front, rear and right cab side; full length drill window with guard
– Window shade (option)
– Windshield wipers with a common washer tank
– Manometer Pressure Gauge (option) – Large windows front, rear and right cab side; full length drill window with guard
– Window shade (option)
– Windshield wipers with a common washer tank
– Manometer Pressure Gauge (option)		 Less
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 lumens flood light on perimeter, area spot lights have 1,950 lumens
– Premium lighting is 4,200 lumens flood light on perimeter
– Mast clearance lights, cab mounted strobe, front mounted tram beacon – 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 lumens flood light on perimeter, area spot lights have 1,950 lumens
– Premium lighting is 4,200 lumens flood light on perimeter
– Mast clearance lights, cab mounted strobe, front mounted tram beacon		 Less
HVAC – Floor heating vent
– Roof-mounted air conditioner/heating/pressurizing unit
– Filter access from deck, 500 service interval
– Defogging HVAC vents on main window – Floor heating vent
– Roof-mounted air conditioner/heating/pressurizing unit
– Filter access from deck, 500 service interval
– Defogging HVAC vents on main window		 Less
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 – 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 Less

Operating System Controls - Standard

Components (1) All electric controls for drilling, tramming, leveling plus auxiliary functions All electric controls for drilling, tramming, leveling plus auxiliary functions Less
Components (2) Rotary torque control Rotary torque control Less
Components (3) Virtual rotary head travel stops Virtual rotary head travel stops Less
Components (4) Pipe positioner engaged/disengaged indicator Pipe positioner engaged/disengaged indicator Less
Components (5) Drill depth meter Drill depth meter Less
Components (6) Drill performance and display system Drill performance and display system Less
Components (7) Pump drive gearbox temperature system Pump drive gearbox temperature system Less
Components (8) Delayed engine shut down Delayed engine shut down Less
Components (9) Filter indicators for hydraulic, fuel, compressor and engine Filter indicators for hydraulic, fuel, compressor and engine Less
Components (10) Jack pressure sensors in display Jack pressure sensors in display Less
Components (11) Data logging of machine health with warnings and fault code records with export capability Data logging of machine health with warnings and fault code records with export capability Less
Components (12) Dust suppression control Dust suppression control Less
Components (13) Mast lock indicator Mast lock indicator Less
Components (14) ECM proportional fan speed control system ECM proportional fan speed control system Less
Components (15) Tram interlock, machine stability limits Tram interlock, machine stability limits Less
Components (16) Tram interlock, pipe in hole Tram interlock, pipe in hole Less
Components (17) Tram interlock, mast up and locked or down and parked Tram interlock, mast up and locked or down and parked Less
Components (18) Tram interlock, jack retracted Tram interlock, jack retracted Less
Components (19) Tram interlock, winch parked Tram interlock, winch parked Less
Components (20) Cab environment controls (AC, filter, heat, fan speeds) Cab environment controls (AC, filter, heat, fan speeds) Less
Components (21) Pre wired for Terrain and Autonomous Operation Pre wired for Terrain and Autonomous Operation Less

Premium Controls

Components (1) Package 1 Controls, Drills Assist Package 1 Controls, Drills Assist Less
Components (2) Auto level Auto level Less
Components (3) Auto mast; raise and lower Auto mast; raise and lower Less
Components (4) Auto drill single-pass Auto drill single-pass Less
Components (5) Auto retract jacks Auto retract jacks Less

Automation and Technology

Type (1) Autonomy ready Autonomy ready Less
Type (2) Cat Terrain ready Cat Terrain ready Less
Components (1) Drill depth indicator Drill depth indicator Less
Components (2) Drill Assist (auto level, auto retract jacks, auto raise and lower mast, single-pass auto drill) Drill Assist (auto level, auto retract jacks, auto raise and lower mast, single-pass auto drill) Less
Components (3) Product Link Elite – Satellite, Cellular, Dual (options) Product Link Elite – Satellite, Cellular, Dual (options) Less
Components (4) Wiring for third party interface Wiring for third party interface Less

Dust Control Choices

Water Injection - Tank Mounted Below Front Deck 336.0 gal (US) 1271.0 l Less
High Volume Water Injection - Maximum - Tanks Total Capacity 736.0 gal (US) 2786.0 l Less
Tank Below Deck - Capacity - Isolated for Extreme Cold Weather 400.0 gal (US) 1514.0 l Less
Tank Above Deck - Capacity 336.0 gal (US) 1271.0 l Less
Water Injection plus Dust Collector (1) 127 m³/min (4,500 ft³/min) dust collector; includes standard water injection 127 m³/min (4,500 ft³/min) dust collector; includes standard water injection Less
Water Injection plus Dust Collector (2) Dust collector box with ground level access Dust collector box with ground level access Less
Water Injection plus Dust Collector (3) Self-cleaning filters, dust chute clean-out door Self-cleaning filters, dust chute clean-out door Less
Choices (1) Self-purging for winterization Self-purging for winterization Less
Choices (2) Water flow meter, volume control, tank fill level indicator Water flow meter, volume control, tank fill level indicator Less
Choices (3) Foam injection system Foam injection system Less
Choices (4) Static dust curtains, four sides boxed enclosed Static dust curtains, four sides boxed enclosed Less
Choices (5) Water pump interlock Water pump interlock Less
Choices (6) Dust curtain hydraulic lifters raise front and rear dust curtains (option) (recommended with dust collector) Dust curtain hydraulic lifters raise front and rear dust curtains (option) (recommended with dust collector) Less
Choices (7) Tram off spray system (option) Tram off spray system (option) Less

Service Packages

Package (1) Basic – Centralized manual lubrication for all pivot points, gravity fill for fuel and water Basic – Centralized manual lubrication for all pivot points, gravity fill for fuel and water Less
Package (2) Standard – Fast fill for fuel and water, automated lubrication system Standard – Fast fill for fuel and water, automated lubrication system Less
Package (3) Premium – Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, and blowdown hose Premium – Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, and blowdown hose Less

Weights

Working Weight Range 56 468 kg to 64 154 kg (124,490 lb to 141,436 lb) 56 468 kg to 64 154 kg (124,490 lb to 141,436 lb) Less

Description

The MD6250 crawler-mounted blasthole drill is designed to drill from 152-250 mm (6-9.8 in) diameter holes. MD6250 is optimized for single-pass or multi-pass drilling, in both Rotary and DTH drilling modes.

MD6250 Optional Equipment

FRAME
  • Fuel tank expansion of +1609 L (425 gal) for total of 3218 L (850 gal) (Required for autonomy packages)
  • Platform to mount fire suppression bottles
  • Jib crane ready

MAST
  • Overhead winch assembly with cable and hook, plus with remote control; variable speed drive with ≥ 1818 kg (4,000 lb) rating, length to reach 6.1 m (20 ft) past drill deck
  • Tool lubrication system for Rotary Drilling with 113 L (30 gal) capacity
  • Pipe thread greaser with reloadable tank for disposable grease bucket

SERVICE TOOLS
  • Bushing retention tool – 102-194 mm (4.0-7.625 in)

DRILL DECK MISC.
  • Tool box in deck

OPERATOR ENVIRONMENT
  • Fold up trainer’s seat with seat belt
  • Cab pressure gauge
  • Window shades
  • Cab roof access system with ladder, cage and rails (only available with cascading stairs and cab walkway)
  • Hydraulic viewing hatch with spotlight
  • Control package for drill assist; single-pass auto drill

TECHNOLOGY PRODUCTS
  • Product Link Elite; satellite, cellular or dual
  • Terrain guidance system hardware

DUST SUPPRESSION
  • Dust curtains, four sides boxed in, with hydraulic lifters to raise front and rear dust curtains (recommended with dust collector)
  • Tram off spray system

WORK TOOLS
  • Lifting bails (available on request; required for commissioning)
    – API thread 89 mm (3.5 in)
    – API thread 114 mm (4.5 in)
    – API thread 140 mm (5.5 in)
    – BECO thread 102 mm (4.0 in)
    – BECO thread 114 mm (4.5 in)
    – BECO thread 152 mm (6.0 in)

DRILL BITS, ROTARY TRICONE
  • Recommended for Rotary or DTH Dual Purpose
  • All bits have standard nozzles
  • Obtain S/M/H codes from the Rock Formation to Bit Conversion table https://catpublications.com search for PEXQ1027
  • Ship out plans for each drill configuration allow for one pallet of bits. Additional pallets may require an additional truck.
    – 171 mm (6.75 in), Option 1, (S2)
    – 171 mm (6.75 in), Option 2, (M1)
    – 171 mm (6.75 in), Option 3, (M3)
    – 200 mm (7.875 in), Option 1, (S2)
    – 200 mm (7.875 in), Option 2, (M1)
    – 200 mm (7.875 in), Option 3, (M3)
    – 229 mm (9.0 in), Option 1, (S3)
    – 229 mm (9.0 in), Option 2, (M2)
    – 229 mm (9.0 in), Option 3, (H1)
    – 251 mm (9.875 in), Option 1, (M1)
    – 251 mm (9.875 in), Option 2, (M3)
    – 251 mm (9.875 in), Option 3, (H1)

DRILL PIPE
  • Standard carousel pipe: 6.1 m (20 ft) pipes for 13.6 m (44.6 ft) Mast – Accepts 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 – Accepts 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: 6.1 m (20 ft) pipes for 13.6 m (44.6 ft) Mast – Accepts quantity of two (2)
    – Quantity of two (2) 3 m (10 ft) starter pipes are included in the drill tool package
    – 140 mm (5.5 in)
    – 168 mm (6.625 in)
  • Dual purpose carousel pipe: 10.6 m (35 ft) pipe for 11.2 m (36.7 ft) Mast – Accepts quantity of two (2)
    – Quantity of two (2) 7.6 m (25 ft) starter pipes are included in the drill tool package
    – 168 mm (6.625 in)