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Rotary Drills

  • Specification Summary

  • Bit Loadup to 23 733 kg (up to 52,321 lb)
  • Hole Diameter152 - 250 mm (6.0 - 9.875 in)
  • EngineC15 ACERT - 403 kW (540 hp) at 2,100 rpm
  • Bit/hole diameter152-250 mm (6-9.875 in)
  • Depth multi-pass (11 m/36 ft 0 in mast)Down to 52.7 m (Down to 173 ft 0 in)

Specifications

Bit Load up to 23 733 kg (up to 52,321 lb)
Hole Diameter 152 - 250 mm (6.0 - 9.875 in)
Engine C15 ACERT - 403 kW (540 hp) at 2,100 rpm

Rotary Drive System

Horsepower capacity 135 kW
Torque 0-12 880 N·m (0-9,600 lbf-ft)

Undercarriage

Brake release Automatic
Brakes Spring set, hydraulic release
Front Three-point oscillating type
Maximum drive horsepower per track 146 kW
Number of rollers on each side 10
Rock guards/chain guides Standard full-length guards
Tram speed maximum 3.14 km/h
Type 2.0

Compressor (Optional): Oil-flooded, single-stage screw

Discharge air flow (sea level) 48
Discharge air flow (sea level) 35
Maximum operating pressure 8.6 bar
Maximum operating pressure 8.6 bar

Accessories, Tools and Handling Equipment

Bit Sub – Table bushing (optional) Roller bushing or two-piece
Drill Pipe (optional) – Diameter (customer specification) 127 mm-178 mm (5.0 in-7.0 in)
Drill Pipe (optional) – Length 10.67 m
Drill Pipe (optional) – Wall thickness 19 mm
HOBO Break-out Wrench – Location Depends on pipe diameter
Note 4-pod carousel 10 m (32 ft 9¾ in) mast
Pipe Rack (outside the mast) – Location Outside mast
Pipe Rack (outside the mast) – Optional length of drill pipe 10.67 m
Pipe Rack (outside the mast) – Size of drill pipe/capacity – 8 m (26 ft 3 in) and 10 m (32 ft 9¾ in) mast, 4 pipes 127 mm to 178 mm (5.0 in to 7 in)
Pipe Rack (outside the mast) – Type Carousel, with stationary breaker plates
Top Adapter Sub – Bottom thread Depends on pipe diameter
Top Adapter Sub – Diameter Depends on pipe diameter
Top Adapter Sub – Length 711 mm
Top Adapter Sub – Top thread (API Reg.) 140 mm
Winch System (mounted on the mast) – Cable size 13 mm
Winch System (mounted on the mast) – Rating 3629 kg

Operator’s Cab

Climate control Wall mounted, AC/heating/pressurizing unit
Floor area 3 m2
Height inside 1943 mm
Number of doors 2 with windows (included in above)
Number of windows 10
Other Window wipers and washers
Type Shock-mounted; two-man, integrated FOPS certified
Windows (tinted safety glass in rubber mounting) 6 mm

Rated Capacity

Bit/hole diameter 152-250 mm (6-9.875 in)
Depth multi-pass (11 m/36 ft 0 in mast) Down to 52.7 m (Down to 173 ft 0 in)

Operating Temperature

Cold weather option -40.0 ° C
Maximum ambient rating (standard) 52.0 ° C

Compressor (Standard): Oil-flooded, single-stage screw

Discharge air flow (sea level) 30
Maximum operating pressure 8.6 bar

Mainframe

Jacks, mast pivot and deck Welded integrally to mainframe
Machine deck Access both sides

Engine (Optional) – C27

Fuel tank 1382 L (365 gal)<br>1071 L (283 gal)
Fuel tank 1382 L (365 gal)<br>1071 L (283 gal)
Model C27 ACERT*
Model C27 ACERT*
Rated horsepower 652 kW
Rated horsepower 597 kW

Leveling Jacks

Lift capacity (each) 290 kN
Number 4
Pad diameter 610 mm

Pull-down/Hoisting Capacity

Adjustable head guide shoes Up to 23 733 kg (Up to 52,321 lb)
Cable type – 25 mm (1 in) DYFORM 8
Feed rate 0-44.8 m/min (0-147 ft/min)
Head travel (10 m/32 ft 9¾ in mast) 11.79 m
Rated hoist capacity Up to 21 364 kg (Up to 47,100 lbf)
Rated pull-down capacity Up to 27 216 kg (Up to 60,000 lbf)
Retract rate 0-46.6 m/min (0-153 ft/min)

Drill Table and Work Deck

Drill deck area 6.86 m2
Table height off ground 1321 mm

Engine (Standard) – C15

Fuel tank 1382 L
Model C15 ACERT*
Optional fuel tank 1071 L
Rated horsepower 403 kW

Compressor (Optional): Oil-flooded, two-stage screw (high-pressure)

Discharge air flow (sea level) 33 m3/min (1,150 ft3/min)<br>38 m3/min (1,350 ft3/min)<br>43 m3/min (1,500 ft3/min)
Maximum operating pressure 24.1 
Array
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    [model] => MD6290 Rotary Blasthole Drill
    [category] => MD6290 Rotary Blasthole Drill
    [url] => https://www.albahar.com/products/new/machines/details/drills/md6290/current/33/18279626/406/18279532/18279534/
)