MD6290

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Overview

Specifications

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

Rated Capacity

Bit/hole diameter 152-250 mm (6-9.875 in) 152-250 mm (6-9.875 in) Less
Depth multi-pass (10 m/32 ft 9¾ in mast) Down to 52.7 m (Down to 173 ft 0 in) Down to 52.7 m (Down to 173 ft 0 in) Less

Operating Temperature

Cold weather package option -40.0 ° F -40.0 ° C Less
Maximum ambient rating (standard) 125.0 ° F 52.0 ° C Less

Pull-down/Hoisting Capacity

Bit load force Up to 23 733 kg (Up to 52,321 lb) Up to 23 733 kg (Up to 52,321 lb) Less
Rated pull-down capacity Up to 27 216 kg (Up to 60,000 lbf) Up to 27 216 kg (Up to 60,000 lbf) Less
Rated hoist capacity Up to 21 364 kg (Up to 47,100 lbf) Up to 21 364 kg (Up to 47,100 lbf) Less
Feed rate 0-44.8 m/min (0-147 ft/min) 0-44.8 m/min (0-147 ft/min) Less
Retract rate 0-46.6 m/min (0-153 ft/min) 0-46.6 m/min (0-153 ft/min) Less
Head travel (10 m/32 ft 9¾ in mast) 464.0 in 11.79 m Less
Cable type – 25 mm (1 in) DYFORM 8 DYFORM 8 Less

Rotary Drive System

Horsepower capacity 182.0 hp 135.0 kW Less
Torque 0-12 880 N·m (0-9,600 lbf-ft) 0-12 880 N·m (0-9,600 lbf-ft) Less

Operator’s Cab

Type Shock-mounted; two-man, integrated FOPS certified Shock-mounted; two-man, integrated FOPS certified Less
Floor area 32.4 ft2 3.0 m2 Less
Height inside 76.5 in 1943.0 mm Less
Windows (tinted safety glass in rubber mounting) 0.25 in 6.0 mm Less
Number of windows 10 10 Less
Number of doors 2 with windows (included in above) 2 with windows (included in above) Less
Climate Control Wall mounted, AC/heating/pressurizing unit Wall mounted, AC/heating/pressurizing unit Less
Other Window wipers and washers Window wipers and washers Less

Undercarriage – Cat 336L

Number of rollers on each side 10 10 Less
Rock guards/chain guides Standard full-length guards Standard full-length guards Less
Maximum drive horsepower per track 196.0 hp 146.0 kW Less
Brakes Spring set, hydraulic release Spring set, hydraulic release Less
Brake release Automatic Automatic Less
Tram speed – Maximum 1.95 mph 3.14 km/h Less
Tram speed – Low speed 1.3 mph 2.0 km/h Less
Front Three-point oscillating type Three-point oscillating type Less

Mainframe

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

Drill Table and Work Deck

Table height off ground 52.0 in 1321.0 mm Less
Drill deck area 73.8 ft2 6.86 m2 Less

Engine (Standard) – C15

Model C15 ACERT* C15 ACERT* Less
Rated horsepower 540.0 hp 403.0 kW Less
Fuel tank 365.0 gal 1382.0 L Less
Optional fuel tank 283.0 gal 1071.0 L Less
Note *U.S. EPA Tier 3/EU Stage IIIA equivalent *U.S. EPA Tier 3/EU Stage IIIA equivalent Less

Engine (Optional) – C27: Option 1

Model C27 ACERT* C27 ACERT* Less
Rated horsepower 800.0 hp 597.0 kW Less
Fuel tanks 1382 L (365 gal)
1071 L (283 gal)
1382 L (365 gal)
1071 L (283 gal)
Less
Note *Tier 2 equivalent *Tier 2 equivalent Less

Engine (Optional) – C27: Option 2

Model C27 ACERT* C27 ACERT* Less
Rated horsepower 875.0 hp 652.0 kW Less
Fuel tanks 1382 L (365 gal)
1071 L (283 gal)
1382 L (365 gal)
1071 L (283 gal)
Less
Note *Tier 2 equivalent *Tier 2 equivalent Less

Leveling Jacks

Number 4 4 Less
Lift capacity (each) 66500.0 lbf 290.0 kN Less
Pad diameter 24.0 in 610.0 mm Less

Accessories, Tools and Handling Equipment

Note 4-pod carousel 10 m (32 ft 9¾ in) mast 4-pod carousel 10 m (32 ft 9¾ in) mast Less
Drill Pipe (optional) – Diameter (customer specification) 127 mm-178 mm (5.0 in-7.0 in) 127 mm-178 mm (5.0 in-7.0 in) Less
Drill Pipe (optional) – Wall thickness 0.75 in 19.0 mm Less
Drill Pipe (optional) – Length 35.0 ft 10.67 m Less
Drill Pipe (optional) – Threads Depends on pipe diameter Depends on pipe diameter Less
Top Adapter Sub – Diameter Depends on pipe diameter Depends on pipe diameter Less
Top Adapter Sub – Length 28.0 in 711.0 mm Less
Top Adapter Sub – Top thread (API Reg.) 5.5 in 140.0 mm Less
Top Adapter Sub – Bottom thread Depends on pipe diameter Depends on pipe diameter Less
Bit Sub (deck bushing) – Table bushing Roller bushing or two-piece Roller bushing or two-piece Less
Pipe Rack (outside the mast) – Type Carousel, with stationary breaker plates Carousel, with stationary breaker plates Less
Pipe Rack (outside the mast) – Size of drill pipe/capacity – 10 m (32 ft 9¾ in) mast, 4 pipes 127 mm to 178 mm (5.0 in to 7 in) 127 mm to 178 mm (5.0 in to 7 in) Less
Pipe Rack (outside the mast) – Length of drill pipe 35.0 ft 10.67 m Less
Pipe Rack (outside the mast) – Location Outside mast Outside mast Less
Winch System (mounted on the mast) – Rating 8000.0 lb 3629.0 kg Less
Winch System (mounted on the mast) – Cable size 0.5 in 13.0 mm Less

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

Discharge air flow (sea level) 1050.0 ft3/min 30.0 m3/min Less
Maximum operating pressure 125.0 psi 8.6 bar Less

Compressor (Optional): Oil-flooded, single-stage screw – Option 1

Discharge air flow (sea level) 1250.0 ft3/min 35.0 m3/min Less
Maximum operating pressure 125.0 psi 8.6 bar Less

Compressor (Optional): Oil-flooded, single-stage screw – Option 2

Discharge air flow (sea level) 1700.0 ft3/min 48.0 m3/min Less
Maximum operating pressure 125.0 psi 8.6 bar Less

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

Discharge air flow (sea level) 33 m3/min (1,150 ft3/min)
38 m3/min (1,350 ft3/min)
43 m3/min (1,500 ft3/min)
33 m3/min (1,150 ft3/min)
38 m3/min (1,350 ft3/min)
43 m3/min (1,500 ft3/min)
Less
Maximum operating pressure 350.0 psi 24.1 bar Less