New MD6640 Rotary Drill in North Carolina

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The Cat® MD6640 Rotary Drill is the only electric-drive drill in the Cat family but it shares the same characteristics of performance, reliability and durability with the rest of the drills in the Cat lineup. Ideal for harsh environmental conditions, the MD6640’s industry-leading durability is driven by its excavator-style undercarriage. Thanks to rebuildable components, superior structure and easy serviceability, the MD6640 delivers long life. And it’s built for operators, with a number of features that enhance productivity and reduce fatigue. Designed to drill holes from 244-406 mm (9.6-16 in) in diameter, the MD6640 is is optimized for single-pass or multi-pass drilling in both rotary and down-the-hole drilling modes.

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    Bit Load up to 64 000 kg (up to 141,096 lb)
    Engine AC Induction Motor - Dual Shaft 522-746 kW (600 hp)
    Hole Diameter 244 - 406 mm (9.6 - 16 in)
    Multi-Pass Hole Depth Up to 85.3 m (280 ft)
    Single Pass Hole Depth 18.3 - 21.3 m (60 - 70 ft)
    Working Weight 339512lb
    Location (2) positioned outside mast at rear and (2) positioned outside frame at front
    Number 4
    Pad Diameter - Drill End 9in
    Pad Diameter - Non-Drill End 9in
    Stroke - Drill End 66in
    Stroke - Non-Drill End 66in
    Gradeability 42%
    Triple Grousers (1) 750 mm (29.53 in); for hard ground; 140 kPa (20.3 psi) ground bearing pressure
    Triple Grousers (2) 900 mm (35.43 in); for soft ground; 120 kPa (17.4 psi) ground bearing pressure
    Type Cat 390 Excavator Style
    Maximum Ambient Rating - Standard 122°F
    Minimum Ambient Rating - Standard -40°F
    Angle Drilling 25° off vertical in 5° increments (with optional angle hole equipment)
    Winch System - Rating 12000lb
    Working Weight 380000lb

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