MD6640

Drills MD6640

Request A Price Find Dealer

Key Specs

Bit Load
up to 64 000 kg (up to 141,096 lb)
up to 64 000 kg (up to 141,096 lb)
Hole Diameter
244 - 406 mm (9.6 - 16 in)
244 - 406 mm (9.6 - 16 in)
Engine
AC Induction Motor - Dual Shaft 522-746 kW (600 hp)
AC Induction Motor - Dual Shaft 522-746 kW (600 hp)

Overview

Proven Performance. Superior Longevity

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.

Benefits

Proven Longevity

Durable excavator-style undercarriage, high-strength steel mainframe and mast members

Lower Lifetime Cost per Ton

Rebuildable components, long structural lifetime design and high degree of serviceability

Reduced Maintenance

Chainless rack and pinion system driven by head-mounted excavator-grade DC motor

Product Specifications for MD6640

Bit Load up to 64 000 kg (up to 141,096 lb) up to 64 000 kg (up to 141,096 lb)
Hole Diameter 244 - 406 mm (9.6 - 16 in) 244 - 406 mm (9.6 - 16 in)
Engine AC Induction Motor - Dual Shaft 522-746 kW (600 hp) AC Induction Motor - Dual Shaft 522-746 kW (600 hp)
Working Weight 339512 lb 154000 kg
Multi-Pass Hole Depth Up to 85.3 m (280 ft) Up to 85.3 m (280 ft)
Single Pass Hole Depth 18.3 - 21.3 m (60 - 70 ft) 18.3 - 21.3 m (60 - 70 ft)
Location (2) positioned outside mast at rear and (2) positioned outside frame at front (2) positioned outside mast at rear and (2) positioned outside frame at front
Pad Diameter - Non-Drill End 9 in 229 mm
Stroke - Drill End 66 in 1676 mm
Stroke - Non-Drill End 66 in 1676 mm
Number 4 4
Pad Diameter - Drill End 9 in 229 mm
Gradeability 42% 42%
Type Cat 390 Excavator Style Cat 390 Excavator Style
Triple Grousers (2) 900 mm (35.43 in); for soft ground; 120 kPa (17.4 psi) ground bearing pressure 900 mm (35.43 in); for soft ground; 120 kPa (17.4 psi) ground bearing pressure
Triple Grousers (1) 750 mm (29.53 in); for hard ground; 140 kPa (20.3 psi) ground bearing pressure 750 mm (29.53 in); for hard ground; 140 kPa (20.3 psi) ground bearing pressure
Minimum Ambient Rating - Standard -40 °F -40 °C
Maximum Ambient Rating - Standard 122 °F 50 °C
Angle Drilling 25° off vertical in 5° increments (with optional angle hole equipment) 25° off vertical in 5° increments (with optional angle hole equipment)
Winch System - Rating 12000 lb 5443 kg
Working Weight 380000 lb 172365 kg

See how MD6640 compares against frequently compared products.

Tools And Expert Help At Every Turn

Product Brochures and More Are Ready to Download!

Full specifications, product brochures and more. Sign up below for additional information. Or for instant access, you can skip this form.

Marketing Consent

Check out current offers for the MD6640

View More Offers