Caterpillar Performance Handbook, January 2017, SEBD0351-47

Key Specifications

Rotary Drills

MODEL

MD6290

MD6420C

Hole Diameter

• Up to 244 mm (9.625 in)

• Up to 279.4 mm (11 in)

3

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) • 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)

• 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) • 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)

Compressor

Cooler (ambient rating) • 52° C (125° F)

• 52° C (125° F)

• C32 Tier 2 – 680 kW (912 hp) at 1800 RPM • C32* – 775 kW (1039 hp) at 1800 RPM

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

Cab

• FOPS

• FOPS

Fuel Tank

• 2461 L (650 U.S. gal) • 644 L (170 U.S. gal)

• 3217 L (850 U.S. gal) • 1208 L (319 U.S. gal)

Hydraulic Tank

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 • 2.27 km/h (1.41 mph)

Tram Speed Maximum • 3.14 km/h (1.95 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.

Edition 47 3-5