Cat® MD6290 Rotary Blasthole Drills0 pages

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Cat®

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MD6290

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Rotary Blasthole Drills

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Specifications

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Rated Capacity

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Bit/hole diameter

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152-270 mm (6-10.625 in)

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Depth single-pass (8 m mast)

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Depth multi-pass

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Up to 8.6 m (28 ft 2 in)

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Up to 45.1 m (148 ft)

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Depth single-pass (10 m mast)

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Depth multi-pass

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Up to 10.1 m (33 ft 2 in)

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Up to 52.7 m (173 ft)

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Depth single-pass (11m mast)

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Depth multi-pass

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Up to 11.0 m (36 ft)

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Up to 32.3 m (106 ft)

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Operating Temperature

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

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Cold weather option

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-40°C (-40°F)

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

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Altitude

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Up to 4 572 m (15,000 ft)

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Pull-down/Hoisting Capacity

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

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Rated hoist capacity

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Up to 210 kN (47,100 lbf)

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Feed rate

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

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Retract rate

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

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Type

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Open-loop, hydraulic

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(stationary barrel, moving rod)

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Number of cylinders

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1

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Pull-down cylinder stroke

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(8 m mast)

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5.1 m (202 in)

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Head travel (8 m mast)

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10.26 m (404 in)

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Pull-down cylinder stroke

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(10 m mast)

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5.89 m (232 in)

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Head travel (10 m mast)

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11.79 m (464 in)

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Pull-down cylinder stroke

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(11m mast)

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6.25 m (246 in)

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Head travel (11m mast)

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12.50 m (492 in)

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Cylinder bore

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178 mm diameter (7 in)

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Cylinder rod

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127 mm diameter (5 in)

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Cable type

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25 mm (1 in) DYFORM 8

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

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

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Sheave guards

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Standard at bottom plate

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Adjustable head guide shoes Steel with replaceable NylatronT

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m

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