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MD6250
MD6250
Cat® rotary drills are available with a maximum bit load range of up to 75 000 kg (165,347 lb), to suit a wide variety of applications. They're proven to deliver efficiency, high productivity and low cost, as well as provide a comfortable environment for the operator.
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Specifications
Automation and Technology
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Type (1)Cat Terrain ready
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Type (2)Autonomy ready
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Components (1)Drill depth indicator
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Components (2)Product Link™ Elite (hardware from factory, subscription package via dealer)
Carousel (Mast size and pipe diameter dependent)
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Pipe rack carousel, standard:– 11.2 m (36.7 ft) Mast: holds quantity of four (4) 10.6 m (35 ft) pipes<br>– 13.6 m (44.6 ft) Mast: holds quantity of four (4) 6.1 m (20 ft) pipes
Climate Choices
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Climate Level 1 Standard Fluids and Lubricants (1)Rated down to –1° C (30° F)
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Climate Level 1 Standard Fluids and Lubricants (2)Withstands high heat to 52° C (125° F)
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Climate Level 2 Arctic Fluids and LubricantsRated down to –18° C (–0.4° F)
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Climate Level 4 Arctic Fluids and Lubricants (1)Rated down to –40° C (–40° F)
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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
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Climate Level 4 Arctic Fluids and Lubricants (3)Full Arctic lubricant package to include engine and hydraulic oil
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Climate Level 4 Arctic Fluids and Lubricants (4)Electric heating package with breaker panel to power: 120V heating blanket for compressor receiver tank, heat trace for hosing from water tank to water pump and water fast-fill assembly, plus primary tank
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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
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Climate Level 4 Arctic fluids and lubricants (6)Breaker panel includes five (5) additional breakers for locally supplied heating elements if needed
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Batteries, Sealed (1)Quantity: Four (4)
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Batteries, Sealed (2)Quantity: Six (6) (required for cold weather Level 2 and 4 and/or semi autonomy packages)
Compressor/Receiver Choices
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Receiver Tank Choice (1)Low pressure 8.6 bar (125 psi) for ASME/CRN/AU or CE
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Receiver Tank Choice (2)High pressure 24.1 or 34.4 bar (350 or 500 psi) for ASME/CRN/AU or CE
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Compressor - Rotary Drilling56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi)
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Compressor - DTH Drilling (1)38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi)
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Compressor - DTH Drilling (2)42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi)
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Features (1)With the compressor’s variable volume control, the operator can limit air output resulting in reduced fuel consumption
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Features (2)Electronic compressor control and regulation
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Features (3)DTH selection includes tool oiler
Cooling
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Components (1)Coolers with easy cleaning access
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Components (2)Separate engine cooling module
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Components (3)All cooler core sections are replaceable
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Components (4)Automatic variable speed fan control
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FeaturesFunctional in ambient temperature of 52° C (125° F)
Dimensions (Approximate) - 11.2 m (36.7 ft) Mast
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Width Non-Cab End15.9 ft 4.845 m
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Width Cab End18.45 ft 5.625 m
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NoteWidth and length dimensions include: cascading stairs and walk-around access for cab.
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Mast Only Shipping Length53.5 ft 16.32 m
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Height - Mast Up56.3 ft 17.146 m
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Body Length38.41 ft 11.708 m
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Length - Mast Down58.3 ft 17.78 m
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Height - Mast Down16.84 ft 5.134 m
Dimensions (Approximate) - 13.6 m (44.6 ft) Mast
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Width Non-Cab End15.9 ft 4.845 m
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Width Cab End18.45 ft 5.624 m
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NoteWidth and length dimensions include: cascading stairs and walk-around access for cab.
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Mast Only Shipping Length61.4 ft 18.72 m
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Height - Mast Up61.13 ft 19.546 m
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Body Length38.41 ft 11.708 m
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Length - Mast Down66.17 ft 20.18 m
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Height - Mast Down16.84 ft 5.134 m
Drill Pipe
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6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 46.5 in 165 mm
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6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 15 in 127 mm
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6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 67.625 in 194 mm
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10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 15 in 127 mm
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6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 36 in 152 mm
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10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 67.625 in 194 mm
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10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 46.5 in 165 mm
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10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 36 in 152 mm
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10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 25.5 in 140 mm
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10.6 m (35 ft) Pipes for 11.2 m (36.7 ft) Mast - holds quantity of four (4) - Option 57 in 178 mm
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6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 25.5 in 140 mm
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6.1 m (20 ft) Pipes for 13.6 m (44.6 ft) Mast - holds quantity of four (4) - Option 57 in 178 mm
Dust Control Choices
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Choices (1)Water injection – tank mounted below front deck 1271 L (336 gal)<br>– Water flow meter, volume control, tank fill level indicator
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Choices (2)Water injection plus dry dust collector 127 m³/min (4,500 ft³/min) dust collector; includes standard water injection<br>– Self-cleaning filters, dust chute with ejector
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Choices (3)High volume water injection (maximum) – tanks total capacity 2786 L (736 gal)<br>– Tank below deck (isolated for extreme cold weather) capacity 1271 L (336 gal)<br>– Tank above deck capacity 1514 L (400 gal)
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Choices (4)Static dust curtains, four sided/boxed enclosed
Engine Choices
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Components (1)Dual starter motors
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Components (2)Ether starting aid (ether bottle supplied locally)
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FeaturesScheduled Oil Sampling (S·O·SSM) ports
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Emissions: Equivalent to U.S. EPA Tier 4 Final - ISO 14396872 hp 650 kW
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Emissions: Equivalent to U.S. EPA Tier 4 Final - ISO 14396 (DIN)884 mhp (PS)
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Emissions: Equivalent to U.S. EPA Tier 2 - ISO 14396 (DIN)838 mhp (PS)
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Emissions: Equivalent to U.S. EPA Tier 2 - ISO 14396826 hp 616 kW
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Emissions: Equivalent to U.S. EPA Tier 2 - Engine PowerC27 @ 1,800 rpm
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Emissions: Equivalent to U.S. EPA Tier 4 Final - Engine PowerC27 @ 1,800 rpm
Frame and Work Deck
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Features (1)Leveling Jacks, A-frame/mast pivot and drill deck are welded integrally to mainframe for maximum durability and long life
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Features (2)Primary fuel tank capacity 1416 L (374 gal)
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Features (3)Fuel capacity expansion for additional 1416 L (374 gal) optional for total capacity of 2832 L (748 gal); (required for autonomy packages)
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Features (4)Three (3) egress points on deck areas in addition to main access
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Components (1)Stationary drill deck; for vertical and angle drilling
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Components (2)Four leveling jacks provide leveling on a 7° bench (any orientation)
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Components (3)Heavy duty tow hooks (front end)
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Components (4)Four (4) lift lugs, for use with cables or chains
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Components (5)Fixed access stairs to the cab area
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Components (6)Sturdy guardrails with toe guards, self-closing gates
Hydraulic Break Out Wrench
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Variable Grip Hydraulic Break Out Wrench Grip Ranges (1)114-152 mm (4.5-6.0 in)
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Variable Grip Hydraulic Break Out Wrench Grip Ranges (2)152-216 mm (6.0-8.5 in)
Hydraulics
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Components (1)Two (2) primary pumps – 145 cc (piston, with proportional electronic controls)
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Components (2)One (1) auxiliary circuit pump – 110 cc (piston, load sensing)
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Components (3)Two (2) fan pumps – 74 cc (piston, with proportional electronic controls)
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Components (4)Two (2) charge pumps – 43.9 + 56.5 cc (double stack gear, fixed displacement)
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Components (5)Scheduled Oil Sampling (S·O·S) ports
Mast and Pipe Rack Carousel Features
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Features (7)Sliding deck wrench assembly
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13.6 m (44.6 ft) Mast - Hole Diameter Range: 152-250 mm (6-9.875 in) - Single-Pass Depth44.6 ft 13.6 m
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Features (5)Auto tensioning of pull down and hoist cables
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11.2 m (36.7 ft) Mast - Hoist Speed2.65 ft/s 0.81 m/s
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Features (3)Drill strings configured for bit changes (above the deck)
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Features (1)Mast configurations complete with pipe rack carousel and angle drilling package (vertical, out to 30 degrees in 5-degree increments)
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Features (8)Configured with roller deck bushing for tricone applications, two-piece deck bushing for DTH
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Features (10)Drill pipe positioner
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Features (11)Rotation gear box with single motor up to 160 rpm, up to 11 700 N·m (8,629 lbf-ft) torque
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Features (9)Closed circuit camera in mast is used to view pipe rack carousel/top drive operation while racking pipes
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Features (6)Variable grip hydraulic break out wrench for range of pipe diameters
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11.2 m (36.7 ft) Mast - Hole Diameter Range: 152-250 mm (6-9.875 in) - Multi-Pass DepthDown to 53.9 m (Down to 176.7 ft)
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Features (4)Single Hydraulic Cylinder and cable system for pulldown/hoist
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Features (2)Hydraulically actuated, self-indexing pipe rack carousel accepts pipe diameters from 127 mm (5.0 in) to 194 mm (7.625 in)
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13.6 m (44.6 ft) Mast - Hole Diameter Range: 152-250 mm (6-9.875 in) - Multi-Pass DepthDown to 37.9 m (Down to 124.6 ft)
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13.6 m (44.6 ft) Mast - Hoist Speed2.16 ft/s 0.66 m/s
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11.2 m (36.7 ft) Mast - Bit Load (single pass)Up to 22 321 kg (Up to 49,210 lb)
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11.2 m (36.7 ft) Mast - Pull-Down CapacityUp to 20 411 kg (Up to 45,000 lb)
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13.6 m (44.6 ft) Mast - Bit Load (single pass)Up to 32 655 kg (Up to 71,993 lb)
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13.6 m (44.6 ft) Mast - Pull-Down CapacityUp to 29 483 kg (Up to 65,000 lb)
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13.6 m (44.6 ft) Mast - Hoist CapacityUp to 16 584 kg (Up to 36,563 lb)
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11.2 m (36.7 ft) Mast - Hoist CapacityUp to 15 309 kg (Up to 33,750 lb)
Mast Packages
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Angle DrillingIncluded with either mast
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Mast Accessories Manual - 11.2 m (36.7 ft) or 13.6 m (44.6 ft) MastOne (1) wire rope pipe catcher, manual bit basket
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Mast Accessories Hydraulic - 11.2 m (36.7 ft) MastOne (1) hydraulically actuated pipe catcher, hydraulically operated bit basket
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Mast Accessories Hydraulic - 13.6 m (44.6 ft) MastOne (1) hydraulically actuated pipe catcher, plus one (1) wire rope pipe catcher, hydraulically operated bit basket
Operating System Controls - Standard
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Components (22)Prewired for Terrain and autonomous operation
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Components (23)Drill Assist automated functionality:<br>– Auto level, auto jack retract<br>– Auto mast raise and lock, auto mast unlock and park
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Components (1)All electric controls for drilling, tramming, leveling plus auxiliary functions
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Components (2)Electronic compressor control
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Components (3)Rotary torque control
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Components (4)Virtual rotary head travel stops and interlocks
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Components (5)Pipe positioner engaged/disengaged indicator
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Components (6)Drill depth meter
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Components (7)Drill performance and drill health display system
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Components (8)Data logging of machine health with warnings and fault code records with export capability
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Components (9)Delayed engine shut down
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Components (10)Rotary head rpm gauge (digital display in screen)
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Components (11)Filter indicators for hydraulic, fuel, compressor and engine
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Components (12)Jack pressure sensors in display
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Components (13)Dust suppression control
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Components (14)Mast lock indicator
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Components (15)ECM proportional fan speed control system
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Components (16)Tram interlock, machine stability limits
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Components (17)Tram interlock, pipe in hole
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Components (18)Tram interlock, mast up and locked or down and parked
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Components (19)Tram interlock, jack retracted
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Components (20)Tram interlock, winch parked
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Components (21)Cab environment controls (AC, filter, heat, fan speeds)
Operator Environment
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Cab - Premium– Additional storage<br>– Leather seat with heat and ventilation<br>– Heavy duty seat suspension<br>– Dual pane window glass<br>– Removable guard for driller window, plus window facing power train<br>– Wipers for the driller window plus front and rear windows
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Cab - Standard– Fabric seat<br>– Single pane window glass<br>– Removable guard for driller window<br>– Wiper for the driller window
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Cab Design– Spacious FOPS cab is 3 m² (32.3 ft²) with an integrated operator station<br>– Cab rubber shock-mounts<br>– 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<br>– Additional display screen for cc cameras; color, high-definition 254 mm (10 in)<br>– Three (3) cc cameras (front and left side) providing 360° vision coverage from operators seat; camera in the mast to view pipe rack carousel/top drive operation<br>– Power convertor 24V to 12V<br>– Radio-ready for communication and entertainment stereo<br>– Two swing-out doors and Cat keyed locks<br>– Literature holder<br>– Removable floor mat
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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)
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Windows– Large windows front, rear and right cab side; full length drill window with guard<br>– Windshield wipers with a common washer tank
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Lighting– LED interior lights and map light at operators seat, backlit joysticks and keypads<br>– Flood lights for the drill perimeter<br>– Spotlights for power group area; drill deck; mast carousel; access ladder and walkways<br>– Lighting package includes 4,200 lumens flood light on perimeter, mast clearance lights, cab mounted strobe, front mounted tram beacon
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HVAC– Floor heating vent<br>– Roof-mounted air conditioner/heating/pressurizing unit<br>– Filter access from deck<br>– Defogging HVAC vents on main window
Pull-Down/Hoisting Capacity
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Pull-Down CapacityUp to 29 483 kg (65,000 lb)
Rotary Head Top Drive System
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Torque - Single Motor8629 lb/ft 11700 N·m
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Rotation Speed0-160 rpm
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Components (1)Spindle – 140 mm (5.5 in) API regular thread with splined collar
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Components (2)Rotary torque control
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Components (3)Virtual rotary head travel interlocks
Safety and Security
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FeatureApproach angle of 15 degrees facilitates loading and unloading on a lowboy
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Components (13)Lifting lugs
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Components (1)Alloy drill deck covers, for servicing when mast is horizontal
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Components (2)Seven (7) engine shut down buttons, by each drill egress/access point, in cab, in engine area, on drill deck
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Components (3)Over forty (40) conditional safety interlocks
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Components (4)Hinged window guard over the full length of the front drill window
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Components (5)Three (3) egress points on deck areas in addition to main access
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Components (6)Self-closing gates secure egress ladder locations
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Components (7)Electric horn activated by push button in the cab
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Components (8)Automatic tram alarm, audible
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Components (9)Under deck mounted battery box with keyed battery disconnect/starter disconnect/remote jump start terminals
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Components (10)Compressor air hoses with safety retention cables
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Components (11)Slip resistant surfaces
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Components (12)Tow hooks on non-drill-end
Service Packages
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Package (1)Fast fill for fuel and water, automated lubrication system
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Package (2)Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, blow down hose (option)
Service Tool Options
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Lifting Bails (Available on Request)– API thread 89 mm (3.5 in) – to lift corresponding drill tools (6.75 in tricone bits or 6-inch class DTH hammers)<br>– API thread 114 mm (4.5 in) – to lift corresponding drill tooling (7.875 and 9.0 in tricone bits or 8-inch class DTH hammers)<br>– API thread 140 mm (5.5 in) – to lift shock sub adapter<br>– BECO thread 102 mm (4.0 in) – to lift corresponding drill pipe (5.5 in OD)<br>– BECO thread 114 mm (4.5 in) – to lift corresponding drill pipe (6.0, 6.5, 6.625 and 7.0 in OD)<br>– BECO thread 152 mm (6.0 in) – to lift corresponding drill pipe (7.625 in OD)
Specifications
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Hole Diameter165-250 mm (6.5-9.875 in)
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EngineCat® C27
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Bit LoadUp to 32 655 kg (Up to 71,993 lb)
Tool Package DTH
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Components (7)Pipe wiper seal
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Components (8)Drill tool lubricator is included with selection of DTH Compressor
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Components (1)Two-piece roller deck bushing
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Components (2)Pipe positioner rollers
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Components (3)Deck wrench
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Components (4)Shock sub
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Components (5)Top Sub
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Components (6)Hammer Sub
Tool Package Rotary
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Components (1)One-piece roller deck bushing
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Components (2)Pipe positioner rollers
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Components (3)Deck wrench
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Components (4)Top sub
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Components (5)Bit sub
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Components (6)Pipe wiper seal
Undercarriage
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ModelCat® 336E EL Excavator type
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Carrier RollersThree (3)
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Track chain guards and guidesLevel two
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Drawbar Pull93745 lbf 417000 N
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Triple Grousers (1)600 mm (23.6 in); for hard rock; 0.88 bar (12.7 psi) ground bearing pressure
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Triple Grousers (2)750 mm (29.5 in); for soft rock; 1.10 bar (15.9 psi) ground bearing pressure
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Lower rollersTwelve (12)
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Travel Speed1.5 mile/h 2.45 km/h
Weights
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Working Weight Range56 468 kg to 64 154 kg (124,490 lb to 141,436 lb)
Benefits
WORLD-CLASS OPERATOR STATION
- Ergonomic controls to help operators stay alert and avoid fatigue
- Multifunction joystick controls and touchscreen monitors are easy to use and intuitive
- Excellent visibility, thanks to multiple cameras and full-length windows
- Optional heated and ventilated seat for enhanced operator comfort
100% CAT INTEGRATION
- Cat to the core, with common parts and components and consistent design characteristics across all Cat drill models
- Shared software for autonomous features
- Backed by the world-class support of the Cat dealer network
CAT ELECTRONICS: BACKBONE OF MACHINE
- Common electronic architecture across all Cat machines to ensure technician familiarity
- Cat Electronic Technician (Cat ET) enables fast and easy troubleshooting
- Serve as common platform for integrating future autonomy solutions
- Product Link™ Elite provides real-time performance tracking
MATCHED POWERTRAIN
- Volumetric air flow control enables operator to reduce air flow by up to 50% to match a specific drilling tool and application
- C27 engine matched to largest “standard” compressor in this class for fast cycle times
- Powertrain optimized to withstand rigorous drilling applications
- High - and low -pressure configurations offer variable volume air control
- Optimal feed force, rotary torque and air, helping to reduce fuel consumption
TECHNOLOGY AND AUTOMATION
- Integrated Drill Assist functionality, including auto level, auto retract jacks, auto raise and lower mast, and auto drill
- Machine health and performance monitoring keep machine running productively
- Drill depth meter helps reduce over- and under-drilling
- Ready to connect with the Cat MineStar suite of technologies, including Terrain for drilling and Command for drilling
SAFETY
- Excellent visibility, thanks to multiple cameras and full-length windows
- MineStar Command for drilling enables remote or autonomous operation — removing operator from the machine
- Seven engine shut-down buttons and more than 40 conditional safety interlocks
- Slip-resistant surfaces for safer ingress/egress and service
- LED interior lights and backlit joysticks and keypads; exterior spot and flood lights illuminate paths for ingress/egress and major service points
SERVICEABILITY
- Large water and fuel tanks reduce time spent refilling
- Grouped service-access points, neat hose-runs and wiring reduce maintenance time
- Cat MineStar Health offerings enable onboard health and performance monitoring
- Extended service intervals minimize maintenance downtime
SUSTAINABILITY
- Designed to use less fuel, which reduces engine emissions
- Tier 4 Final engines reduce NOx and particulate matter
- Reduced waste and lower owning and operating costs thanks to increased commonality of systems and components, plus a reduction in unique part numbers
- Longer maintenance intervals that decrease the amount of waste contributed to the environment
Equipment Info
POWER TRAIN CHOICES
Emissions: Equivalent to Tier 2, Engine Power C27 @ 1,800 rpm, ISO 14396 616 kW (826 hp), ISO 14396 (DIN) 838 mhp (PS)
DRILL TOOL PACKAGES/ROTARY FOR 13.6 M (44.6 FT) MAST (SELECT ONE)
127 mm (5 in); one-piece roller deck bushing, pipe positioner roller, deck wrench, cross over subs, pipe wiper seal
DRILL TOOL PACKAGES/DTH DRILLING FOR 13.6 M (44.6 FT) MAST (SELECT ONE)
127 mm (5.0 in); two-piece deck bushing, pipe positioner roller, deck wrench, cross over hammer adapter; pipe wiper seal
TOP SUBS (ROTARY DRILLING ONLY) (SELECT ONE)
127 mm (5 in)
CLIMATE/REGIONAL CONSIDERATIONS
Batteries, sealed quantity four (4)
DUST SUPPRESSION
Water injection 1271 L (336 gal)
UNDERCARRIAGE; CAT 336E EL (SELECT ONE)
Triple grousers 600 mm (23.6 in); for hard rock 0.88 bar (12.7 psi) ground pressure
CAB CHOICES
Standard – Includes a fabric seat, single pane window glass, removable driller window guard, and a windshield wiper for driller window
CONTROLS
Drill depth indicator and interlocks, auto-level, auto-mast
FRAME/DECK
Machine access via fixed stairs
MAST ACCESSORIES
11.2 m (36.7 ft) or 13.6 m (44.6 ft): Pipe catcher, manual – one wire rope (for 11 m), two wire rope (for 13 m) pipe catcher, bit basket, manual
PIPE CAROUSEL 11.2 M (36.7 FT) MAST/10.6 M (35 FT) PIPE RACK. HOLDS QTY. OF FOUR (SELECT ONE)
127 mm (5.0 in) pipe; four pods
PIPE CAROUSEL 13.6 M (44.6 FT) MAST/6.1 M (20 FT) PIPE RACK. HOLDS QTY. OF FOUR (SELECT ONE)
127 mm (5.0 in) pipe; four pods
DRILL TOOL PACKAGES/ROTARY DRILLING FOR 11.2 M (36.7 FT) MAST (SELECT ONE)
127 mm (5 in); one-piece roller deck bushing, pipe positioner roller, deck wrench, cross over subs, pipe wiper seal
DRILL TOOL PACKAGES/DTH DRILLING FOR 11.2 M (36.7 FT) MAST (SELECT ONE)
140 mm (5.5 in); two-piece deck bushing, pipe positioner rollers, deck wrench, cross over hammer adapter; pipe wiper seal
