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3-2 Edition 47
Rotary Drills
PRODUCT LINE DESCRIPTION
Cat
®
Rotary Drills are available in four models, with a
maximum bit load range of up to 63 975 kg (141,000 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.
A synergy of robust structures, long-lasting systems
and innovative technology, the Cat line of rotary drills
have demonstrated their effectiveness and longevity in
a variety of mining environments, including both soft-
and hard-rock applications, as well as extreme tempera-
ture and high-altitude locations.
Equipped to power rotary tricone or claw drill bits
of various sizes and configurations, the MD6290 and
MD6420C can also be configured with high pressure
compressors for DTH (down-the-hole) hammer drilling
or even a special (hammer/tricone carousel pipe rack)
that accommodates both rotary and DTH drill strings.
Caterpillar has the drill that delivers the optimal combina-
tion of bit load, rotary torque and onboard air to ensure
maximum productivity in a wide range of applications.
Product Line Description
Applications/Industries Served
PRIMARY APPLICATIONS FOR ROTARY BLASTHOLE DRILLS
MODEL
Bench
Drilling
Cast Blast
Drilling
Presplit
Drilling
Grade Control
Drilling
Over Burden
Drilling
MD6290
x
x
x
x
x
MD6420C
x
x
x
x
x
MD6540C
x
x
x
x
MD6640
x
x
x