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- Up to 53,524 kg (118,000 lbs.) of bit loading
- Handles 229 to 349 mm (9 to 13 ¾ in.) hole diameters
- Up to 59.4 m (195 ft.) maximum hole depth for a single pass mast
- Diesel powered for maximum mobility
- Powerful top-drive, rack-and-pinion pulldown
- Superior propel and maximum-strength crawler frames
- Rugged masts designed for high-cycle fatigue resistance
- Excellent operator visibility through the use of full windows and video cameras
- Productive operator environment, including operator error protection systems
OVERVIEW
The 285XPC rotary blasthole drill provides up to 53,524 kg (118,000 lbs.) of bit loading, specifically designed for 229 and 311 to 349 mm hole diameter applications. This drill is used in copper and iron mines worldwide.
SPECIFICATIONS
Working ranges
| Hole diameter | 229 to 349 mm | 9 to 13 3/4 in. |
| Single pass mast: Standard hole depth Maximum hole depth | 19.8 m 59.4 m | 65 ft. 195 ft. |
| Maximum bit loading | 53,524 kg | 118,000 lbs. |
Mast
| Construction | Lattice-type using alloy steel structural shapes | ||
| Single pass mast | 19.8 m | 65 ft. | |
| Raising and lowering | 267 mm | 10.5 in. | |
Hoist / pulldown
| Design | Dual hydrostatic / direct-drive chainless rack and pinion | |
| Bit loading (maximum) | 53,524 kg | 118,000 lbs. |
| Drill feed rate to: | 13.72 m/min. | 45 ft./min. |
| Hoist rate to: | 27.43 m/min. | 90 ft./min. |
Overall dimensions
| Width, overall | 7.83 m | 25 ft. 8 in. |
| Height, mast up | 27.77 m | 91 ft. 2 in. |
| Height, mast down | 8.38 m | 27 ft. 5 in. |
| Length, mast up | 16.83 m | 55 ft. 3 in. |
| Length, mast down | 28.72 m | 94 ft. 3 in. |
| Overall width of crawlers | 5.52 m | 18 ft. 1 in. |
| Overall length of crawlers | 7.04 m | 23 ft. 1 in. |
| Width of jacks | 3.91 m | 12 ft. 10 in. |
| Length between jacks | 9.51 m | 31 ft. 2.5 in. |
| Height to top of operator cab | 4.81 m | 15 ft. 10 in. |
Weight (approximate)
| Operating weight (maximum) | 146,510 kg | 323,000 lbs. |
| Shipping weight with mast | 128,367 kg | 283,000 lbs. |
| Ground-bearing pressure for track pads | 129 kPa | 18.8 psi |
| Ground-bearing pressure for jacks | 787 kPa | 114 psi |
TECHNOLOGY
The electrical control system includes key operator protection systems, including:
- Over-temperature shutdowns
- Over-tilt protection
- Pipe rack interlock protection
- Pipe protection software