MD6640
Cat® rotary drills are available with a maximum bit load range of up to 75 000 kg (165,347 lb), to suit a wide variety of applications. They're proven to deliver efficiency, high productivity and low cost, as well as provide a comfortable environment for the operator.
MD6640
Cat® rotary drills are available with a maximum bit load range of up to 75 000 kg (165,347 lb), to suit a wide variety of applications. They're proven to deliver efficiency, high productivity and low cost, as well as provide a comfortable environment for the operator.
Product Brochures
Specifications
Accessories, Tools and Handling Equipment
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Winch System - Rating12000 lb 5443 kg
Leveling Jacks
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Number4
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Location2 positioned on drill end; 2 on non-drill end
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Pad Diameter44 in 1118 mm
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Stroke - Drill End66 in 1676 mm
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Stroke - Non-Drill End66 in 1676 mm
Mast
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Single Pass Hole Depth Down To70 ft 21.3 m
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Multi-Pass Hole Depth Down To140 ft 42.7 m
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Features (1)0°-25° in 5° increments (with optional angle hole equipment)
Operating Environment
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Minimum Ambient Rating - Standard-40 °F -40 °C
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Maximum Ambient Rating - Standard122 °F 50 °C
Specifications
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Bit Loadup to 64 000 kg (up to 141,096 lb)
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Hole Diameter270 - 406 mm (10.625 - 16 in)
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EngineAC Induction Motor - Dual Shaft 597 kW (800 hp)
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Single Pass Hole Depth21,3 m (70 ft)
Undercarriage
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TypeCat 395 Excavator Style
Weights
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Working Weight380000 lb 172365 kg
Benefits
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
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
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
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
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
SAFETY
- Three access and egress points on deck areas and main access
- Automatic, audible tram alarms
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