MD6250 Rotary Blasthole Drill Specifications

Cat Terrain ready

Autonomy ready

Drill depth indicator

Product Link™ Elite (hardware from factory, subscription package via dealer)

– 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

Rated down to –1° C (30° F)

Withstands high heat to 52° C (125° F)

Rated down to –18° C (–0.4° F)

Rated down to –40° C (–40° F)

Diesel fired heating system that heats and circulates engine coolant through engine block, below deck water tank, heating elements for battery trays

Full Arctic lubricant package to include engine and hydraulic oil

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

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

Quantity: Four (4)

Quantity: Six (6) (required for cold weather Level 2 and 4 and/or semi autonomy packages)

Breaker panel includes five (5) additional breakers for locally supplied heating elements if needed

56.6 m³/min (2,000 ft³/min) @ 8.6 bar (125 psi)

42.4 m³/min (1,500 ft³/min) @ 24.1 bar (350 psi)

DTH selection includes tool oiler

38.2 m³/min (1,350 ft³/min) @ 34.4 bar (500 psi)

With the compressor’s variable volume control, the operator can limit air output resulting in reduced fuel consumption

Electronic compressor control and regulation

Low pressure 8.6 bar (125 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

Coolers with easy cleaning access

Separate engine cooling module

All cooler core sections are replaceable

Automatic variable speed fan control

Functional in ambient temperature of 52° C (125° F)

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.

Water injection – tank mounted below front deck 1271 L (336 gal)<br>– Water flow meter, volume control, tank fill level indicator

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

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)

Static dust curtains, four sided/boxed enclosed

Dual starter motors

Ether starting aid (ether bottle supplied locally)

Scheduled Oil Sampling (S·O·SSM) ports

838 mhp (PS)

C27 @ 1,800 rpm

C27 @ 1,800 rpm

884 mhp (PS)

Leveling Jacks, A-frame/mast pivot and drill deck are welded integrally to mainframe for maximum durability and long life

Primary fuel tank capacity 1416 L (374 gal)

Fuel capacity expansion for additional 1416 L (374 gal) optional for total capacity of 2832 L (748 gal); (required for autonomy packages)

Three (3) egress points on deck areas in addition to main access

Stationary drill deck; for vertical and angle drilling

Four leveling jacks provide leveling on a 7° bench (any orientation)

Heavy duty tow hooks (front end)

Four (4) lift lugs, for use with cables or chains

Fixed access stairs to the cab area

Sturdy guardrails with toe guards, self-closing gates

114-152 mm (4.5-6.0 in)

152-216 mm (6.0-8.5 in)

Two (2) primary pumps – 145 cc (piston, with proportional electronic controls)

One (1) auxiliary circuit pump – 110 cc (piston, load sensing)

Two (2) fan pumps – 74 cc (piston, with proportional electronic controls)

Two (2) charge pumps – 43.9 + 56.5 cc (double stack gear, fixed displacement)

Scheduled Oil Sampling (S·O·S) ports

Configured with roller deck bushing for tricone applications, two-piece deck bushing for DTH

Auto tensioning of pull down and hoist cables

Up to 15 309 kg (Up to 33,750 lb)

Single Hydraulic Cylinder and cable system for pulldown/hoist

Hydraulically actuated, self-indexing pipe rack carousel accepts pipe diameters from 127 mm (5.0 in) to 194 mm (7.625 in)

Up to 20 411 kg (Up to 45,000 lb)

Up to 29 483 kg (Up to 65,000 lb)

Sliding deck wrench assembly

Drill strings configured for bit changes (above the deck)

Mast configurations complete with pipe rack carousel and angle drilling package (vertical, out to 30 degrees in 5-degree increments)

Rotation gear box with single motor up to 160 rpm, up to 11 700 N∙m (8,629 lbf-ft) torque

Closed circuit camera in mast is used to view pipe rack carousel/top drive operation while racking pipes

Variable grip hydraulic break out wrench for range of pipe diameters

Down to 53.9 m (Down to 176.7 ft)

Down to 37.9 m (Down to 124.6 ft)

Up to 22 321 kg (Up to 49,210 lb)

Up to 32 655 kg (Up to 71,993 lb)

Up to 16 584 kg (Up to 36,563 lb)

Drill pipe positioner

One (1) wire rope pipe catcher, manual bit basket

One (1) hydraulically actuated pipe catcher, hydraulically operated bit basket

One (1) hydraulically actuated pipe catcher, plus one (1) wire rope pipe catcher, hydraulically operated bit basket

Included with either mast

Prewired for Terrain and autonomous operation

Drill Assist automated functionality:<br>– Auto level, auto jack retract<br>– Auto mast raise and lock, auto mast unlock and park

All electric controls for drilling, tramming, leveling plus auxiliary functions

Electronic compressor control

Rotary torque control

Virtual rotary head travel stops and interlocks

Pipe positioner engaged/disengaged indicator

Drill depth meter

Drill performance and drill health display system

Data logging of machine health with warnings and fault code records with export capability

Delayed engine shut down

Rotary head rpm gauge (digital display in screen)

Filter indicators for hydraulic, fuel, compressor and engine

Jack pressure sensors in display

Dust suppression control

Mast lock indicator

ECM proportional fan speed control system

Tram interlock, machine stability limits

Tram interlock, pipe in hole

Tram interlock, mast up and locked or down and parked

Tram interlock, jack retracted

Tram interlock, winch parked

Cab environment controls (AC, filter, heat, fan speeds)

– 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

– Fabric seat<br>– Single pane window glass<br>– Removable guard for driller window<br>– Wiper for the driller window

– 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

– 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)

– Large windows front, rear and right cab side; full length drill window with guard<br>– Windshield wipers with a common washer tank

– 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

– Floor heating vent<br>– Roof-mounted air conditioner/heating/pressurizing unit<br>– Filter access from deck<br>– Defogging HVAC vents on main window

Up to 29 483 kg (65,000 lb)

0-160 rpm

Spindle – 140 mm (5.5 in) API regular thread with splined collar

Rotary torque control

Virtual rotary head travel interlocks

Approach angle of 15 degrees facilitates loading and unloading on a lowboy

Lifting lugs

Alloy drill deck covers, for servicing when mast is horizontal

Seven (7) engine shut down buttons, by each drill egress/access point, in cab, in engine area, on drill deck

Over forty (40) conditional safety interlocks

Hinged window guard over the full length of the front drill window

Three (3) egress points on deck areas in addition to main access

Self-closing gates secure egress ladder locations

Electric horn activated by push button in the cab

Automatic tram alarm, audible

Under deck mounted battery box with keyed battery disconnect/starter disconnect/remote jump start terminals

Compressor air hoses with safety retention cables

Slip resistant surfaces

Tow hooks on non-drill-end

Fast fill for fuel and water, automated lubrication system

Service center for lubricant drain and fill, automated lubrication system, fast fill fuel and water, blow down hose (option)

– 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)

Up to 32 655 kg (Up to 71,993 lb)

165-250 mm (6.5-9.875 in)

Cat® C27

Drill tool lubricator is included with selection of DTH Compressor

Pipe wiper seal

Two-piece roller deck bushing

Pipe positioner rollers

Deck wrench

Shock sub

Top Sub

Hammer Sub

One-piece roller deck bushing

Pipe positioner rollers

Deck wrench

Top sub

Bit sub

Pipe wiper seal

Cat® 336E EL Excavator type

Three (3)

Level two

600 mm (23.6 in); for hard rock; 0.88 bar (12.7 psi) ground bearing pressure

750 mm (29.5 in); for soft rock; 1.10 bar (15.9 psi) ground bearing pressure

Twelve (12)

56 468 kg to 64 154 kg (124,490 lb to 141,436 lb)