This is a full view of a P&H 285XPC blasthole drill made by Komatsu Mining.

Blasthole drills

P&H 285XPC

  • 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

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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.

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

The electrical control system includes key operator protection systems, including:

  • Over-temperature shutdowns
  • Over-tilt protection
  • Pipe rack interlock protection
  • Pipe protection software

The following optional equipment upgrades are available for the 285XPC:

  • Bit lubrication
  • Cold weather package
  • Fire suppression
  • High altitude package
  • Remote propel control
  • Wiggins Fastfil system*

*The Wiggins and Fastfil trademarks are the property of their respective owners.