Mole-Master Services Corporation
Equipment & Parts
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Do-It-Yourself Silo Cleaning and Bin Cleaning Equipment,
A Faster, Safer Way
To Unlock Bridged Material

Versatile, Strong, and Safe

This tough, portable miniaturized rock drill is the ideal silo cleaning equipment for material that tends to "arch" or “bridge” across the entire vessel.

The Arch•Master was designed to create flow channels (up to 150 feet or 45 meters deep) in arched or bridged material. In some cases, this may be all that is required. In other instances, the Junior 360º™ or our turnkey Big•Mole™ service may be needed to complete the Silo Cleaning or Bin Cleaning process.

The Arch•Master features a high torque, variable speed, hydraulic power head that can rapidly drill even the hardest material. Additionally, the Arch•Master, which measures slightly over 7 feet, 4 inches (2.3 meters) in height, offers a double-roller chain drive, a special duty hydraulic motor for variable speed drilling, all-aluminum construction, heavy-duty 3 - 6 inch (7.6 - 15.2 centimeter) augers, and quick-connect hydraulic fittings.

Perfect for do-it-yourself cleanout projects involving bridged materials, the Arch•Master provides the right solution for a fast and safe return to full material flow.


The silo cleaning experts at Mole•Master™ bring you the Arch•Master™, a portable miniaturized rock drill.

The Arch•Master™ features high-torque, variable speed power to quickly drill even the hardest material.
Mole•Master™ is pleased to provide specifications on all its silo cleaning equipment.
A powerful hydraulic power unit is used with the Arch•Master™.

Arch•Master Features

  • High-torque, variable speed power head for rapidly drilling even the hardest material
  • Overall height 7’4” (2.3 m) to accommodate low head-room clearance
  • Quick-connect hydraulic fittings
  • Double-roller chain drive
  • Heavy-duty 3” to 6” (7.6 - 15.2 cm) augers to penetrate any material
  • Specialty bits available for any application
  • Standard drilling depth 150’ (46 m)
  • Special duty hydraulic motor for variable speed drilling
  • All-aluminum construction eliminates sparking. (Steel bodies available where necessary.)



  • Overall Height             7’4” (2.3 m)
  • Shipping Weight         275 lbs. (124.7 kg)
  • Base                           28” x 28” (71 x 71 cm)
  • Heavy-Duty Auger       3” to 6” (7.6 - 15.2 cm)


Hydraulic Power Unit

  • 5 hp. Electric Motor 220/415 (50 Hz); 240/480 (60 Hz)
  • 5.0 or 7.5 gm available; 10 gal. reservoir
  • 10 Micron In-line Return Filter on Tank
  • Valve Bank Pressure Release: 1,500 psi
  • Temperature/Level Gauge
  • Overall Weight: 180 lbs. (81.7 kg)
  • Power Cord Optional


For more information on our silo cleaning equipment, contact Mole•Master™ today.

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