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Cat® MD6290 Rotary Blasthole Drills - 8 Pages

Cat®

MD6290

Rotary Blasthole Drills

Specifications

Rated Capacity

Bit/hole diameter

152-270 mm (6-10.625 in)

Depth single-pass (8 m mast)

Depth multi-pass

Up to 8.6 m (28 ft 2 in)

Up to 45.1 m (148 ft)

Depth single-pass (10 m mast)

Depth multi-pass

Up to 10.1 m (33 ft 2 in)

Up to 52.7 m (173 ft)

Depth single-pass (11m mast)

Depth multi-pass

Up to 11.0 m (36 ft)

Up to 32.3 m (106 ft)

Operating Temperature

Min. ambient rating (standard) -28°C (-20°F)

Cold weather option

-40°C (-40°F)

Max. ambient rating (standard) 52°C (125°F)

Altitude

Up to 4 572 m (15,000 ft)

Pull-down/Hoisting Capacity

Rated pull-down capacity Up to 267 kN (60,000 lbf)

Rated hoist capacity

Up to 210 kN (47,100 lbf)

Feed rate

0-42.9 m/min (0-141 fpm)

Retract rate

0-44.8 m/min (0-147 fpm)

Type

Open-loop, hydraulic

(stationary barrel, moving rod)

Number of cylinders

1

Pull-down cylinder stroke

(8 m mast)

5.1 m (202 in)

Head travel (8 m mast)

10.26 m (404 in)

Pull-down cylinder stroke

(10 m mast)

5.89 m (232 in)

Head travel (10 m mast)

11.79 m (464 in)

Pull-down cylinder stroke

(11m mast)

6.25 m (246 in)

Head travel (11m mast)

12.50 m (492 in)

Cylinder bore

178 mm diameter (7 in)

Cylinder rod

127 mm diameter (5 in)

Cable type

25 mm (1 in) DYFORM 8

Cable sheaves (cylinder) 406 mm OD (16 in)

Cable sheaves (top & bottom) 559 mm OD (22 in)

Sheave guards

Standard at bottom plate

Adjustable head guide shoes Steel with replaceable NylatronT

m

Cat® MD6290 Rotary Blasthole Drills
  1. P. 1

  2. P. 2

    Rotary Blasthole Drill—MD6290 Rotary Drive System Rotation speed Torque Horsepower capacity Gearbox Main thrust bearing Lubrication Gearing Ratio Drive...
  3. P. 3

    Rotary Blasthole Drill—MD6290 Cooler Assembly (continued) Radiator-CAC-Oil Cooler Assembly for Cat8 C27 (Tier II) 597 kW (800 hp), single,...
  4. P. 4

    Rotary Blasthole Drill—MD6290 Compressor (continued) Compressor (Optional) Type (high-pressure) Oil-flooded, two-stage screw Discharge...
  5. P. 5

    Rotary Blasthole Drill—MD6290 Engine (continued) Engine (Optional) Manufacturer Cummins Model QSK-19(TierII) Rated horsepower 566...
  6. P. 6

    Rotary Blasthole Drill—MD6290 Operator's Controls (continued) Standard drilling controls Leveling jack controls (hydraulic) Mast elevation...
  7. P. 7

  8. P. 8

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