New MD6640 Rotary Drill in North Carolina

MD6640 Rotary Drill

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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.

Pricing: Contact for Pricing Why we quote: Cat® machines are often configured to your job (attachments, hydraulics, cab options) and freight/taxes can vary by location. Request a quote to get accurate pricing based on your exact setup—typically within 1–2 business days.

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Payment Calculator Shop Parts Competitive Comparison

Bit Load	up to 64 000 kg (up to 141,096 lb)
Engine	AC Induction Motor - Dual Shaft 597 kW (800 hp)
Hole Diameter	270 - 406 mm (10.625 - 16 in)
Single Pass Hole Depth	21,3 m (70 ft)

Features (1)	0°-25° in 5° increments (with optional angle hole equipment)
Multi-Pass Hole Depth Down To	140ft
Single Pass Hole Depth Down To	70ft

Location	2 positioned on drill end; 2 on non-drill end
Number	4
Pad Diameter	44in
Stroke - Drill End	66in
Stroke - Non-Drill End	66in

Maximum Ambient Rating - Standard	122°F
Minimum Ambient Rating - Standard	-40°F

Winch System - Rating	12000lb

Type	Cat 395 Excavator Style

Working Weight	380000lb

What Our Customers Are Saying About Us

Gregory Poole Equipment Company

4.0

Based on 58 reviews

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Tom Corona

21:51 06 May 26

Rich Stidd

22:10 02 May 26

Carlos Virgilio Sauceda Rivera

20:55 23 Mar 26

John Karpathian

16:21 24 Jan 26

Clean store and great employees

Hunter Flaugher

12:56 06 Aug 25

Hydraulic pump shop is unmatched. I made the mistake of going somewhere else before bringing my pump here. These guys were more than helpful and friendly. Went out of their way to help me find a solution for my problem even when it didn’t benefit them. This is how businesses should be run. I won’t go anywhere else.

Brian Hrudka

16:45 12 Feb 25

Too bad Poole Cat Field Service is better at invoicing than actually getting my machines moving.

A prompt and courteous technician arrived, and correctly diagnosed two problems with my mini Ex. Thank you. I corrected those problems, but machine still did not work.

He diagnosed a fuel problem as a clogged filter, rather than a bad fuel pump which I managed to diagnose. I also figured out, via help on the internet, that the fuel shut-off solenoid was bad.

Machine runs fine now. So my advice is to check the internet, before letting Poole charge you $870 for a two hour field visit. And you can find a perfectly fine aftermarket fuel pump for $20 rather than the $250 that Poole charges... and it arrives faster,

Jacey Price

21:04 05 Dec 24

Need to teach a tech how to drive a service truck. Around 2:48 on highway 40 east, the truck pictured (plate ending in 8236) flew across 3 lanes of traffic to meet the Cleveland rd exit. Almost hit a semi and caused me to swerve with my children in the car. Glad making the exit was more important than children’s lives.