MD6250
Specifications
Overview
MD6250 Rotary Blasthole Drill
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) | More |
| 11.2 m (36.7 ft) Mast - Hole Depth Range - Single Pass Depth | 36.7 ft 11.2 m | More |
| 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) | More |
| 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) | More |
| 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) | More |
| 11.2 m (36.7 ft) Mast - Hoist Speed | 2.65 ft/s 0.81 m/s | More |
| 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) | More |
| 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) | More |
| 13.6 m (44.6 ft) Mast - Hole Depth Range - Single Pass Depth | 44.6 ft 13.6 m | More |
| 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) | More |
| 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) | More |
| 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) | More |
| 13.6 m (44.6 ft) Mast - Hoist Speed | 2.16 ft/s 0.66 m/s | More |
| 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) | More |
| U.S. EPA Tier 2 Equivalent - Engine | C27 ACERT™ @ 1,800 rpm C27 ACERT™ @ 1,800 rpm | More |
| U.S. EPA Tier 2 Equivalent - Emissions | U.S. EPA Tier 2 equivalent U.S. EPA Tier 2 equivalent | More |
| U.S. EPA Tier 4 Final - Engine | C27 ACERT @ 1,800 rpm C27 ACERT @ 1,800 rpm | More |
| U.S. EPA Tier 4 Final - Emissions | U.S. EPA Tier 4 Final U.S. EPA Tier 4 Final | More |
| 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) | More |
| 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) | More |
| 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) | More |
| Angle Drilling | Vertical to 30° (in 5° increments) Vertical to 30° (in 5° increments) | More |
| U.S. EPA Tier 2 Equivalent - Power Rating (ISO 14396) | 826.0 HP 616.0 kW | More |
| U.S. EPA Tier 4 Final - Power Rating (ISO 14396) | 872.0 HP 643.0 kW | More |
Engine Choices
| Components (1) | Dual starter motors Dual starter motors | More |
| 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 | More |
| Components (3) | Ether starting aid (ether bottle supplied locally) Ether starting aid (ether bottle supplied locally) | More |
| Features | Scheduled oil sampling (S·O·SSM) ports Scheduled oil sampling (S·O·SSM) ports | More |
Compressor Choices
| DTH Drilling | Includes tool lubrication system and hammer storage Includes tool lubrication system and hammer storage | More |
| 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 | More |
| 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 | More |
| Rotary Drilling | Optional tool lubrication system Optional tool lubrication system | More |
| 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) | More |
| Choice | Electronic compressor control and regulation with purged air lines Electronic compressor control and regulation with purged air lines | More |
| 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. | More |
Cooling
| Components (1) | Coolers with easy cleaning access Coolers with easy cleaning access | More |
| Components (2) | Separate engine cooling module Separate engine cooling module | More |
| Components (3) | All cooler core sections are replaceable All cooler core sections are replaceable | More |
| Components (4) | Automatic variable speed fan control Automatic variable speed fan control | More |
| Features | Functional in ambient temperature of 52° C (125° F) Functional in ambient temperature of 52° C (125° F) | More |
Climate Choices
| Climate Level 1 Standard Fluids and Lubricants (1) | Rated down to –1° C (30° F) Rated down to –1° C (30° F) | More |
| Climate Level 1 Standard Fluids and Lubricants (2) | Withstands high heat to 52° C (125° F) Withstands high heat to 52° C (125° F) | More |
| Climate Level 2 Arctic Fluids and Lubricants | Rated down to –18° C (–0.4° F) Rated down to –18° C (–0.4° F) | More |
| Climate Level 4 Arctic Fluids and Lubricants (1) | Rated down to –40° C (–40° F) Rated down to –40° C (–40° F) | More |
| 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. | More |
| 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. | More |
| 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. | More |
| 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 | More |
| 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. | More |
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 | More |
| Features (2) | Slip resistant surfaces Slip resistant surfaces | More |
| Features (3) | Fuel tank capacity 1416 L (374 gal) Fuel tank capacity 1416 L (374 gal) | More |
| Features (4) | Fuel capacity expansion for additional 1416 L (374 gal) Fuel capacity expansion for additional 1416 L (374 gal) | More |
| 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 | More |
| 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) | More |
| Components (1) | Stationary drill deck for vertical and angle drilling Stationary drill deck for vertical and angle drilling | More |
| Components (2) | Four leveling jacks provide leveling on a 7° bench (any orientation) Four leveling jacks provide leveling on a 7° bench (any orientation) | More |
| Components (3) | Heavy duty tow hooks (front end) Heavy duty tow hooks (front end) | More |
| Components (4) | Four (4) lift lugs, for use with cables or chains Four (4) lift lugs, for use with cables or chains | More |
| 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 | More |
| 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) | More |
| 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) | More |
Frame Access Choices
| Choice (1) | Fixed access stairs to the cab area Fixed access stairs to the cab area | More |
| 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 | More |
Drill Deck Misc.
| Components (1) | Toolbox (option) Toolbox (option) | More |
| Components (2) | Hydraulic viewing hatch on drill deck with spotlight (option) Hydraulic viewing hatch on drill deck with spotlight (option) | More |
| Components (3) | Drill pipe thread greaser actuated from the cab (option) Drill pipe thread greaser actuated from the cab (option) | More |
| Components (4) | Jib crane ready (option) Jib crane ready (option) | More |
Undercarriage
| Model | Cat® 336E EL Excavator type Cat® 336E EL Excavator type | More |
| Carrier Rollers | Three (3) Three (3) | More |
| Track chain guards and guides | Level two Level two | More |
| Drawbar Pull | 93745.0 lbf 417000.0 N | More |
| 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 | More |
| 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 | More |
| Lower rollers | Twelve (12) Twelve (12) | More |
| Travel Speed | 1.5 mile/h 2.45 km/h | More |
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) | More |
| Components (2) | One (1) auxiliary circuit pump – 110 cc (piston, load sensing) One (1) auxiliary circuit pump – 110 cc (piston, load sensing) | More |
| Components (3) | Two (2) fan pumps – 74 cc (piston, with proportional electronic controls) Two (2) fan pumps – 74 cc (piston, with proportional electronic controls) | More |
| 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) | More |
| Components (5) | Scheduled Oil Sampling (S·O·S) ports Scheduled Oil Sampling (S·O·S) ports | More |
Dimensions (Approximate) - 13.6 m (44.6 ft) Mast
| Width Non-Cab End | 15.9 ft 4.845 m | More |
| Width Cab End | 18.45 ft 5.624 m | More |
| 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. | More |
| Mast Only Shipping Length | 61.4 ft 18.72 m | More |
| Height - Mast Up | 61.13 ft 19.546 m | More |
| Body Length | 38.41 ft 11.708 m | More |
| Length - Mast Down | 66.17 ft 20.18 m | More |
| Height - Mast Down | 16.84 ft 5.134 m | More |
Tool Package DTH
| Components (7) | Pipe wiper seal Pipe wiper seal | More |
| Components (8) | Drill tool lubricator is included with selection of DTH Compressor Drill tool lubricator is included with selection of DTH Compressor | More |
| Components (1) | Two-piece roller deck bushings Two-piece roller deck bushings | More |
| Components (2) | Pipe positioner rollers Pipe positioner rollers | More |
| Components (3) | Deck wrench Deck wrench | More |
| Components (4) | Shock sub Shock sub | More |
| Components (5) | Top Sub Top Sub | More |
| Components (6) | Hammer Sub Hammer Sub | More |
Tool Package Rotary
| Components (7) | Drill tool lubricator (optional) Drill tool lubricator (optional) | More |
| Components (8) | Shock sub (option) Shock sub (option) | More |
| Components (1) | One-piece roller deck bushing One-piece roller deck bushing | More |
| Components (2) | Pipe positioner rollers Pipe positioner rollers | More |
| Components (3) | Deck wrench Deck wrench | More |
| Components (4) | Top sub Top sub | More |
| Components (5) | Bit sub Bit sub | More |
| Components (6) | Pipe wiper seal Pipe wiper seal | More |
Dimensions (Approximate) - 11.2 m (36.7 ft) Mast
| Width Non-Cab End | 15.9 ft 4.845 m | More |
| Width Cab End | 18.45 ft 5.625 m | More |
| 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. | More |
| Mast Only Shipping Length | 53.5 ft 16.32 m | More |
| Height - Mast Up | 56.3 ft 17.146 m | More |
| Body Length | 38.41 ft 11.708 m | More |
| Length - Mast Down | 58.3 ft 17.78 m | More |
| Height - Mast Down | 16.84 ft 5.134 m | More |
Safety and Security
| Components (13) | Lifting lugs Lifting lugs | More |
| Components (14) | Front window guard (option) Front window guard (option) | More |
| 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) | More |
| 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 | More |
| Components (1) | Alloy drill deck covers, for servicing when mast is horizontal Alloy drill deck covers, for servicing when mast is horizontal | More |
| 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 | More |
| Components (3) | Over forty (40) conditional safety interlocks Over forty (40) conditional safety interlocks | More |
| 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 | More |
| 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 | More |
| Components (6) | Self-closing gates secure egress ladder locations Self-closing gates secure egress ladder locations | More |
| Components (7) | Electric horn activated by push button in the cab Electric horn activated by push button in the cab | More |
| Components (8) | Automatic tram alarm Automatic tram alarm | More |
| 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 | More |
| Components (10) | Compressor air hoses with safety retention cables Compressor air hoses with safety retention cables | More |
| Components (11) | Slip resistant surfaces Slip resistant surfaces | More |
| Components (12) | Tow hooks on non-drill-end Tow hooks on non-drill-end | More |
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) |
More |
| 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) |
More |
| 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 | More |
Dust Control Choices
| Water Injection plus Dry Dust Collector (2) | Self-cleaning filters, dust chute with ejector Self-cleaning filters, dust chute with ejector | More |
| 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 | More |
| Water Injection - Tank Mounted Below Front Deck | 336.0 gal (US) 1271.0 l | More |
| High Volume Water Injection - Maximum - Tanks Total Capacity | 736.0 gal (US) 2786.0 l | More |
| Tank Below Deck - Capacity - Isolated for Extreme Cold Weather | 336.0 gal (US) 1271.0 l | More |
| Tank Above Deck - Capacity | 400.0 gal (US) 1514.0 l | More |
| Choices (1) | Water flow meter, volume control, tank fill level indicator Water flow meter, volume control, tank fill level indicator | More |
| Choices (2) | Static dust curtains, four sided/boxed enclosed Static dust curtains, four sided/boxed enclosed | More |
| 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) | More |
| 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) | More |
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 |
More |
| 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 |
More |
| Features (3) | Vertical or angle drilling 0-30°; in 5° increments Vertical or angle drilling 0-30°; in 5° increments | More |
| 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) | More |
| Features (5) | Drill strings configured for bit changes (above the deck) Drill strings configured for bit changes (above the deck) | More |
| Features (6) | Single cylinder pulldown/hoist system Single cylinder pulldown/hoist system | More |
| Features (7) | Auto tensioning of pull down and hoist cables Auto tensioning of pull down and hoist cables | More |
| Features (8) | Sliding deck wrench assembly Sliding deck wrench assembly | More |
| Features (9) | Configured with roller deck bushing Configured with roller deck bushing | More |
| 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) | More |
| 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) | More |
| 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) | More |
| 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 | More |
| 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 | More |
| 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 | More |
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 | More |
| 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 | More |
| 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 | More |
Rotary Head Top Drive System
| Torque - Single Motor | 8629.0 lb/ft 11700.0 N·m | More |
| Rotation Speed | 0-160 rpm 0-160 rpm | More |
| 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 | More |
| Components (2) | Rotary torque control Rotary torque control | More |
| Components (3) | Virtual rotary head travel interlocks Virtual rotary head travel interlocks | More |
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 |
More |
| 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 |
More |
| 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) |
More |
| 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) |
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| 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) |
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| 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 |
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| 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 | More |
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 | More |
| Components (2) | Rotary torque control Rotary torque control | More |
| Components (3) | Virtual rotary head travel stops Virtual rotary head travel stops | More |
| Components (4) | Pipe positioner engaged/disengaged indicator, with interlock Pipe positioner engaged/disengaged indicator, with interlock | More |
| Components (5) | Drill depth meter Drill depth meter | More |
| Components (6) | Drill performance and display system Drill performance and display system | More |
| Components (7) | Delayed engine shut down Delayed engine shut down | More |
| Components (8) | Filter indicators for hydraulic, fuel, compressor and engine Filter indicators for hydraulic, fuel, compressor and engine | More |
| Components (9) | Jack pressure sensors in display Jack pressure sensors in display | More |
| 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 | More |
| Components (11) | Dust suppression control Dust suppression control | More |
| Components (12) | Mast lock indicator Mast lock indicator | More |
| Components (13) | ECM proportional fan speed control system ECM proportional fan speed control system | More |
| Components (14) | Tram interlock, machine stability limits Tram interlock, machine stability limits | More |
| Components (15) | Tram interlock, pipe in hole Tram interlock, pipe in hole | More |
| Components (16) | Tram interlock, mast up and locked or down and parked Tram interlock, mast up and locked or down and parked | More |
| Components (17) | Tram interlock, jack retracted Tram interlock, jack retracted | More |
| Components (18) | Tram interlock, winch parked Tram interlock, winch parked | More |
| Components (19) | Cab environment controls (AC, filter, heat, fan speeds) Cab environment controls (AC, filter, heat, fan speeds) | More |
| Components (20) | Pre wired for Terrain and Autonomous Operation Pre wired for Terrain and Autonomous Operation | More |
| 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 |
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Premium Controls
| Components (1) | Drill Assist automated functionality: – Auto drill single pass (option) Drill Assist automated functionality: – Auto drill single pass (option) |
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Automation and Technology
| Type (1) | Cat Terrain ready Cat Terrain ready | More |
| Type (2) | Autonomy ready Autonomy ready | More |
| 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 | More |
| 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) | More |
| Components (3) | Product Link Elite Product Link Elite | More |
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 | More |
| Package (2) | Standard – Fast fill for fuel and water, automated lubrication system (option) Standard – Fast fill for fuel and water, automated lubrication system (option) | More |
| 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) | More |
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) | More |
Benefits & Features
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.
Equipment
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