MD6250

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Overview

The Cat® MD6250 rotary drill is built from the ground up with 100 percent 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 hard rock drilling application.

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 53.9 m (Down to 176.7 ft) Down to 53.9 m (Down to 176.7 ft) Less
11.2 m (36.7 ft) Mast - Pulldown Capacity Up to 20 411 kg (Up to 45,000 lb) Up to 20 411 kg (Up to 45,000 lb) Less
11.2 m (36.7 ft) Mast - Hoist Capacity Up to 20 411 kg (Up to 45,000 lb) Up to 20 411 kg (Up to 45,000 lb) Less
11.2 m (36.7 ft) Mast - Hoist Speed 2.65 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 kg (Up to 65,000 lb) Up to 29 483 kg (Up to 65,000 lb) Less
13.6 m (44.6 ft) Mast - Hoist Capacity Up to 22 113 kg (Up to 48,750 lb) Up to 22 113 kg (Up to 48,750 lb) 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 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
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 Vertical to 30° (in 5° increments) Vertical to 30° (in 5° increments) Less
U.S. EPA Tier 2 Equivalent - Power Rating (ISO 14396) 826.0 HP 616.0 kW Less
U.S. EPA Tier 4 Final - Power Rating (ISO 14396) 872.0 HP 643.0 kW Less

Engine Choices

Components (1) Dual starter motors Dual starter motors Less
Components (2) Common air intake filters provide +500 hour service interval in normal operating conditions Common air intake filters provide +500 hour service interval in normal operating conditions Less
Components (3) Ether starting aid (ether bottle supplied locally) Ether starting aid (ether bottle supplied locally) Less
Features Scheduled oil sampling (S·O·SSM) ports Scheduled oil sampling (S·O·SSM) 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 113.5 L (30 gal) tool oiler 38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi) includes 113.5 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 113.5 L (30 gal) tool oiler 42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi) includes 113.5 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 Electronic compressor control and regulation with purged air lines Electronic compressor control and regulation with purged air lines Less
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. 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. 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) Rated down to –1° C (30° F) Rated down to –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 Rated down to –18° C (–0.4° F) Rated down to –18° C (–0.4° F) Less
Climate Level 4 Arctic Fluids and Lubricants (1) Rated down to –40° C (–40° F) Rated down to –40° C (–40° F) Less
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. 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. Less
Climate Level 4 Arctic Fluids and Lubricants (3) Full Arctic lubricant package to include: engine oil, compressor oil and hydraulic oil. Full Arctic lubricant package to include: engine oil, compressor oil and hydraulic oil. Less
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, plus tank. 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, plus tank. Less
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 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 Less
Climate Level 4 Arctic fluids and lubricants (6) Breaker panel includes five (5) additional breakers for locally supplied heating elements if needed. Breaker panel includes five (5) additional breakers for locally supplied heating elements if needed. 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 surfaces Slip resistant surfaces Less
Features (3) Fuel tank capacity 1416 L (374 gal) Fuel tank capacity 1416 L (374 gal) Less
Features (4) Fuel capacity expansion for additional 1416 L (374 gal) Fuel capacity expansion for additional 1416 L (374 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) Walk-around cab access (with railing and toe guards) for cab perimeter to drill deck (option) Walk-around cab access (with railing and toe guards) for cab perimeter to drill deck (option) 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) 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
Components (6) Cab-roof access ladder with guard plus roof safety railing for ease of access to air conditioner/pressurizer/heater (option) Cab-roof access ladder with guard plus roof safety railing for ease of access to air conditioner/pressurizer/heater (option) Less
Features (7) Platform to mount fire suppression bottles and/or diesel gen set on non-drill-end (option) Platform to mount fire suppression bottles and/or diesel gen set on non-drill-end (option) Less

Frame Access Choices

Choice (1) Fixed access stairs to the cab area Fixed access stairs to the cab area Less
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 Cascading hydraulic stairs with walkway around the cab to the drill deck (option). Includes jack and tram interlock activated when the stairs are down Less

Drill Deck Misc.

Components (1) Toolbox (option) Toolbox (option) Less
Components (2) Hydraulic viewing hatch on drill deck with spotlight (option) Hydraulic viewing hatch on drill deck with spotlight (option) Less
Components (3) Drill pipe thread greaser actuated from the cab (option) Drill pipe thread greaser actuated from the cab (option) 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
Carrier Rollers Three (3) Three (3) Less
Track chain guards and guides Level two Level two Less
Drawbar Pull 93745.0 lbf 417000.0 N Less
Triple Grousers (1) 600 mm (23.6 in); for hard rock 0.88 bar (12.7 psi) ground pressure 600 mm (23.6 in); for hard rock 0.88 bar (12.7 psi) ground pressure Less
Triple Grousers (2) 750 mm (29.5 in); for soft rock 1.10 bar (15.9 psi) ground pressure 750 mm (29.5 in); for soft rock 1.10 bar (15.9 psi) ground pressure Less
Lower rollers Twelve (12) Twelve (12) Less
Travel Speed 1.5 mile/h 2.45 km/h Less

Hydraulics

Components (1) Two (2) primary pumps – 145 cc (piston, with proportional electronic controls) Two (2) primary pumps – 145 cc (piston, with proportional electronic controls) Less
Components (2) One (1) auxiliary circuit pump – 110 cc (piston, load sensing) One (1) auxiliary circuit pump – 110 cc (piston, load sensing) Less
Components (3) Two (2) fan pumps – 74 cc (piston, with proportional electronic controls) Two (2) fan pumps – 74 cc (piston, with proportional electronic controls) Less
Components (4) Two (2) charge pumps – 43.9 + 56.5 cc (double stack gear, fixed displacement) Two (2) charge pumps – 43.9 + 56.5 cc (double stack gear, fixed displacement) Less
Components (5) Scheduled Oil Sampling (S·O·S) ports Scheduled Oil Sampling (S·O·S) ports Less

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

Width Non-Cab End 15.9 ft 4.845 m Less
Width Cab End 18.45 ft 5.624 m Less
Note Width and length dimensions include: cascading stairs and walk-around access for cab. Width and length dimensions include: cascading stairs and walk-around access for cab. Less
Mast Only Shipping Length 61.4 ft 18.72 m Less
Height - Mast Up 61.13 ft 19.546 m Less
Body Length 38.41 ft 11.708 m Less
Length - Mast Down 66.17 ft 20.18 m Less
Height - Mast Down 16.84 ft 5.134 m Less

Tool Package DTH

Components (7) Pipe wiper seal Pipe wiper seal Less
Components (8) Drill tool lubricator is included with selection of DTH Compressor Drill tool lubricator is included with selection of DTH Compressor Less
Components (1) Two-piece roller deck bushings Two-piece roller deck bushings Less
Components (2) Pipe positioner rollers Pipe positioner rollers Less
Components (3) Deck wrench Deck wrench Less
Components (4) Shock sub Shock sub Less
Components (5) Top Sub Top Sub Less
Components (6) Hammer Sub Hammer Sub Less

Tool Package Rotary

Components (7) Drill tool lubricator (optional) Drill tool lubricator (optional) Less
Components (8) Shock sub (option) Shock sub (option) Less
Components (1) One-piece roller deck bushing One-piece roller deck bushing Less
Components (2) Pipe positioner rollers Pipe positioner rollers Less
Components (3) Deck wrench Deck wrench Less
Components (4) Top sub Top sub Less
Components (5) Bit sub Bit sub Less
Components (6) Pipe wiper seal Pipe wiper seal Less

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

Width Non-Cab End 15.9 ft 4.845 m Less
Width Cab End 18.45 ft 5.625 m Less
Note Width and length dimensions include: cascading stairs and walk-around access for cab. Width and length dimensions include: cascading stairs and walk-around access for cab. Less
Mast Only Shipping Length 53.5 ft 16.32 m Less
Height - Mast Up 56.3 ft 17.146 m Less
Body Length 38.41 ft 11.708 m Less
Length - Mast Down 58.3 ft 17.78 m Less
Height - Mast Down 16.84 ft 5.134 m Less

Safety and Security

Components (13) Lifting lugs Lifting lugs Less
Components (14) Front window guard (option) Front window guard (option) Less
Feature (1) Platform on non-drill-end for mounting fire suppression bottles and/or diesel gen set (option) Platform on non-drill-end for mounting fire suppression bottles and/or diesel gen set (option) 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) Over forty (40) conditional safety interlocks Over forty (40) 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 Automatic tram alarm Less
Components (9) Under deck mounted battery box with keyed battery disconnect/starter disconnect/remote jump start terminals Under deck mounted battery box with keyed battery disconnect/starter disconnect/remote jump start terminals Less
Components (10) Compressor air hoses with safety retention cables Compressor air hoses with safety retention cables Less
Components (11) Slip resistant surfaces Slip resistant surfaces Less
Components (12) Tow hooks on non-drill-end Tow hooks on non-drill-end Less

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

Dust Control Choices

Water Injection plus Dry Dust Collector (2) Self-cleaning filters, dust chute with ejector Self-cleaning filters, dust chute with ejector Less
Water Injection plus Dry 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 - 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 336.0 gal (US) 1271.0 l Less
Tank Above Deck - Capacity 400.0 gal (US) 1514.0 l Less
Choices (1) Water flow meter, volume control, tank fill level indicator Water flow meter, volume control, tank fill level indicator Less
Choices (2) Static dust curtains, four sided/boxed enclosed Static dust curtains, four sided/boxed enclosed Less
Choices (3) 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 (4) Tram off spray to wet the ground around the cuttings pile (option) Tram off spray to wet the ground around the cuttings pile (option) Less

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
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
Less
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 140 mm (5.5 in) or 168 mm (6.625 in) pipe – contact factory for additional pipe diameters
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 140 mm (5.5 in) or 168 mm (6.625 in) pipe – contact factory for additional pipe diameters
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 pipe diameters from 127 mm (5.0 in) to 194 mm (7.625 in) Hydraulically actuated, self-indexing pipe carousel accepts pipe diameters from 127 mm (5.0 in) to 194 mm (7.625 in) Less
Features (5) Drill strings configured for bit changes (above the deck) Drill strings configured for bit changes (above the 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) Sliding deck wrench assembly Sliding deck wrench assembly Less
Features (9) Configured with roller deck bushing Configured with roller deck bushing Less
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) 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 (11) Tool oiler, 113.5 L (30 gal) oil injection system (option for low pressure compressor configurations) Tool oiler, 113.5 L (30 gal) oil injection system (option for low pressure compressor configurations) Less
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) 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) Less
Features (13) Closed circuit camera in mast is used to view pipe carousel/top drive operation while racking pipes Closed circuit camera in mast is used to view pipe carousel/top drive operation while racking pipes Less
Features (14) Pipe positioner for angle drilling or multi-pass pipe handling, actuated from the cab, with safety interlocks Pipe positioner for angle drilling or multi-pass pipe handling, actuated from the cab, with safety interlocks Less
Features (15) 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

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, One (1) hydraulically actuated pipe catcher, hydraulically operated bit basket 11.2 m (36.7 ft) Mast, One (1) hydraulically actuated pipe catcher, hydraulically operated bit basket Less
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 13.6 m (44.6 ft) Mast, One (1) hydraulically actuated pipe catcher, plus one (1) wire rope pipe catcher, hydraulically operated bit basket Less

Overhead Winch System with Remote - Option

Capacity Rating 4000.0 lb 1814.0 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 0-160 rpm 0-160 rpm Less
Components (1) Spindle – 140 mm (5.5 in) API regular thread with splined collar Spindle – 140 mm (5.5 in) API regular thread with splined collar 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, 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, wipers for the driller window plus front and rear windows
Less
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)
– 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)
Less
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)
– 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)
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 package includes 4,200 lumens flood light on perimeter, mast clearance lights, cab mounted strobe, front mounted tram beacon (option)
– 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 package includes 4,200 lumens flood light on perimeter, mast clearance lights, cab mounted strobe, front mounted tram beacon (option)
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, with interlock Pipe positioner engaged/disengaged indicator, with interlock 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) Delayed engine shut down Delayed engine shut down Less
Components (8) Filter indicators for hydraulic, fuel, compressor and engine Filter indicators for hydraulic, fuel, compressor and engine Less
Components (9) Jack pressure sensors in display Jack pressure sensors in display Less
Components (10) 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 (11) Dust suppression control Dust suppression control Less
Components (12) Mast lock indicator Mast lock indicator Less
Components (13) ECM proportional fan speed control system ECM proportional fan speed control system Less
Components (14) Tram interlock, machine stability limits Tram interlock, machine stability limits Less
Components (15) Tram interlock, pipe in hole Tram interlock, pipe in hole Less
Components (16) Tram interlock, mast up and locked or down and parked Tram interlock, mast up and locked or down and parked Less
Components (17) Tram interlock, jack retracted Tram interlock, jack retracted Less
Components (18) Tram interlock, winch parked Tram interlock, winch parked Less
Components (19) Cab environment controls (AC, filter, heat, fan speeds) Cab environment controls (AC, filter, heat, fan speeds) Less
Components (20) Pre wired for Terrain and Autonomous Operation Pre wired for Terrain and Autonomous Operation Less
Components (21) Drill Assist automated functionality:
– Auto level, auto jack retract
– Auto mast raise and lock, auto mast unlock and park
Drill Assist automated functionality:
– Auto level, auto jack retract
– Auto mast raise and lock, auto mast unlock and park
Less

Premium Controls

Components (1) Drill Assist automated functionality:
– Auto drill single pass (option)
Drill Assist automated functionality:
– Auto drill single pass (option)
Less

Automation and Technology

Type (1) Cat Terrain ready Cat Terrain ready Less
Type (2) Autonomy ready Autonomy ready Less
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 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 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 Product Link Elite 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 (option) Standard – Fast fill for fuel and water, automated lubrication system (option) Less
Package (3) Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, blow down hose (option) Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, blow down hose (option) 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 in Rotary or DTH (Down the Hole) modes to single pass or multi pass depths.The Cat® MD6250 rotary drill is built from the ground up with 100 percent 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 hard rock drilling application.

MD6250 Optional Equipment

FRAME
  • Fuel tank expansion of +1609 L (425 gal) for total of 3218 L (850 gal) (Required for autonomy packages)
  • Platform on non-drill-end to mount fire suppression bottles and/or diesel gen set
  • Jib crane ready (Jib crane not included)

MAST
  • Overhead winch assembly with cable and hook, plus with remote control; variable speed drive with ≥ 1814 kg (4,000 lb) rating, length to reach 6.1 m (20 ft) past drill deck
  • Tool lubrication system for Rotary Drilling with 113.5 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)
  • 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 DECK MISC.
  • Tool box in deck
  • Hydraulic viewing hatch with spotlight

OPERATOR ENVIRONMENT
  • Fold up trainer’s seat with seat belt
  • Cabin pressure manometer gauge
  • Window shades
  • Cab roof access system with ladder, cage and rails (only available with cascading stairs and cab walkway)

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

DRILL BITS, ROTARY TRICONE
  • Recommended for Rotary Applications
  • 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: 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)
  • 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) pipe for 11.2 m (36.7 ft) Mast – Accepts quantity of two (2)
    – Quantity of two (2) 7.62 m (25 ft) pipes with adaptors to connect to DTH hammer or tricone bit (hammer and tricone bit not included)
    – 140 mm (5.5 in)
    – 168 mm (6.625 in)
  • Note: *Contact factory for additional pipe diameters