130 / 2440
Edition 47 3-5
3
Rotary Drills
MODEL
MD6290
MD6420C
Hole Diameter
• Up to 244 mm
(9.625 in)
• Up to 279.4 mm
(11 in)
Hole Depth
• Depth single-pass (8 m mast) —
Up to 8.6 m
(28 ft 2 in)
• Depth multi-pass — Up to 45.1 m
(148 ft)
• Depth single-pass (10 m mast) —
Up to 10.1 m
(33 ft 2 in)
• Depth multi-pass — Up to 52.7 m
(173 ft)
• Depth single-pass (11 m mast) —
Up to 11 m
(36 ft)
• Depth multi-pass — Up to 32.3 m
(106 ft)
• Depth single pass (10 m mast) —
Up to 10.29 m
(33 ft 9 in)
• Depth multi-pass — Up to 63.40 m
(208 ft)
• Depth single pass (13 m mast) —
Up to 13.4 m
(44 ft)
• Depth multi-pass — Up to 74.4 m
(244 ft)
• Depth single pass (16 m mast) —
Up to 16.46 m
(54 ft)
• Depth multi-pass — Up to 46.9 m
(154 ft)
Compressor
• 30 m3/min
(1050 ft3/min)
8.6 bar
(125 psi)
• 35 m3/min
(1250 ft3/min)
8.6 bar
(125 psi)
• 48 m3/min
(1700 ft3/min)
8.6 bar
(125 psi)
• 33 m3/min
(1150 ft3/min)
10.3/24.1 bar
(150/350 psi)
• 38 m3/min
(1350 ft3/min)
10.3/24.1 bar
(150/350 psi)
• 43 m3/min
(1500 ft3/min)
10.3/24.1 bar
(150/350 psi)
• 56.6 m3/min
(2000 ft3/min)
6.9 bar
(100 psi)
• 73.6 m3/min
(2600 ft3/min)
6.9 bar
(100 psi)
• 42.5 m3/min
(1500 ft3/min)
10.3/24.1/34.4 bar
(150/350/500 psi)
Cooler (ambient rating) • 52° C
(125° F)
• 52° C
(125° F)
Engine
• C15 ACERT**
– 403 kW
(540 hp)
at 2100 RPM
• C27 ACERT*
– 597 kW
(800 hp)
at 2100 RPM
• C27 ACERT*
– 652 kW
(875 hp)
at 2100 RPM
• C32 Tier 2
– 680 kW
(912 hp)
at 1800 RPM
• C32*
– 775 kW
(1039 hp)
at 1800 RPM
Cab
• FOPS
• FOPS
Fuel Tank
• 2461 L
(650 U.S. gal)
• 3217 L
(850 U.S. gal)
Hydraulic Tank
• 644 L
(170 U.S. gal)
• 1208 L
(319 U.S. gal)
Pipe Rack
• Outside Mast Carousel, with stationary breaker
plates
• Inside Mast Carousel, with stationary pods
and breaker plates
Drill Pipe Capacity
• Diameter 114 to 178 mm
(4.5 to 7 in)
• 8 m mast
4 pods:
– 9.14 m
(30 ft)
pipe
• 10 m mast
4 pods:
– 10.67 m
(35 ft)
pipe
• 11 m mast
2 pods:
– 9.14 m
(30 ft)
or
– 10.67 m
(35 ft)
pipe
• 10 m configuration
5 pipes:
– 10.67 m
(35 ft)
pipe
– 194 mm
(7.625 in)
OD
• 13 m configuration
5 pipes:
– 12.19 m
(40 ft)
pipe
– 194 mm
(7.625 in)
OD
• 16 m configuration
4 pipes:
– 7.62 m
(25 ft)
pipe
– 219 mm
(8.625 in)
OD
Tram Speed Maximum • 3.14 km/h
(1.95 mph)
• 2.27 km/h
(1.41 mph)
Angle Hole Drilling
• Up to 25 degree off vertical, in 5 degree
increments
• Up to 30 degree off vertical, in 5 degree
increments
*
*This product meets Tier 2 equivalent emission standards.
**This product meets Tier 3, Stage IIIA, and Japan 2006 (Tier 3) equivalent emission standards.
Key Specifications