The Cat® MD6640 Rotary Blasthole 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 structures and easy serviceability, the MD6640 delivers proven performance and long life. And it’s built for operators, with a number of features that enhance productivity and reduce fatigue. Designed to drill holes from 270-406 mm (10.625 -16 in) in diameter, the MD6640 is optimized for single-pass or multi-pass drilling for large borehole applications in hard rock.
Features
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WORLD-CLASS OPERATOR STATION
- Spacious cab mounted on pads to isolate it from vibration
- High visibility, including closed circuit camera system
- Cat ultra-class ergonomic six-way adjustable seat with mechanical swing suspension and footrest
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MACHINERY HOUSE DESIGNED FOR EASY MAINTENANCE
- Pressurized machinery house keeps dust out while helping cool major components
- Three removable roof hatches facilitate easy exchange of major components
- Interior and exterior lights
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CAT 395 EXCAVATOR-STYLE UNDERCARRIAGE
- Minimizes downtime and reduces owning and operating costs
- 32% more drawbar pull, increasing the machine’s steering performance
- Positive Pin Retention (PPR) system eliminates pin walking
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PERFORMANCE-ENHANCING MAST
- Square tubular members, welded in a lattice configuration, reduce stress concentrations at welds
- Torsion box reinforcements at every 1.5 meters (5 feet) increase mast rigidity, especially for hard rock drilling and angle hole applications
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FIT FOR HARSH ENVIRONMENTAL CONDITIONS
- Cold and hot weather packages equip the drill for operation at temperatures ranging from -40°C to 50°C (-40°F to 122°F)
- Operates at altitudes up to 5200 m (17,060 ft) with 108 m3/min (3,800 ft3 /min) compressor
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SAFETY
- Three access and egress points on deck areas and main access
- Automatic, audible tram alarms
Specifications
Units for specifications
Specifications
| Bit Load | up to 64 000 kg (up to 141,096 lb) |
|---|---|
| Hole Diameter | 270 - 406 mm (10.625 - 16 in) |
| Engine | AC Induction Motor - Dual Shaft 597 kW (800 hp) |
| Single Pass Hole Depth | 21,3 m (70 ft) |
Undercarriage
| Type | Cat 395 Excavator Style |
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Mast
| Single Pass Hole Depth Down To | 70 ft 21,3 m |
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| Multi-Pass Hole Depth Down To | 140 ft 42.7 m |
| Features (1) | 0°-25° in 5° increments (with optional angle hole equipment) |
Leveling Jacks
| Number | 4 |
|---|---|
| Location | 2 positioned on drill end; 2 on non-drill end |
| Pad Diameter | 44 in 1 118 mm |
| Stroke - Drill End | 66 in 1 676 mm |
| Stroke - Non-Drill End | 66 in 1 676 mm |
Operating Environment
| Minimum Ambient Rating - Standard | -40 °F -40 °C |
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| Maximum Ambient Rating - Standard | 122 °F 50 °C |
Accessories, Tools and Handling Equipment
| Winch System - Rating | 12,000 lb 5443 kg |
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Weights
| Working Weight | 380,000 lb 172 365 kg |
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Videos
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