Through both our OEM partnerships and in-house proprietary designs, Allegheny Manufacturing offers the best equipment solution for even the most challenging size reduction application.

Our line of hammer mills and grinders are ruggedly constructed to provide years of efficient production, and are ideal for either standalone processing or pairing with the RIS Rotary Impact Separator.

Our line of hammer mills currently include:

  • Bison (B) Series Standard Hammer Mills
  • Bison (F) Series Fine Grinding Hammer Mills
  • Bison (R) Series Heavy Duty Recycling Hammer Mills
  • Standard duty grinders for abrasive and coarse grinding applications
  • 8 sizes: 8×16, 16×16, 24×24, 30×24, 36×24/36, 48×24/36, 60×24/36 inches
  • Swing and rigid hammers
  • Grate or rolled screens
  • Hydraulic opening and convenient access doors
  • Thick abrasion resistant (AR) liners
  • Simple, heavy duty design
  • Ideal for small to medium capacity throughput
  • High speed fine grinders best suited for non-abrasive materials such as pulp, wood, grains, minerals, and fibers
  • 8 sizes: 8×16, 16×16, 24×24, 30×24, 36×24/36, 48×24/36, 60×24/36 inches
  • Designed for high volume, high speed size reduction
  • Higher horsepower (operates at 3600 RPM)
  • High hammer tip speed for a fine product
  • 4-way reversible hammers
  • Swing and rigid hammer
  • Heavy duty,  high reduction ratio crusher
  • 4 sizes: 26×24, 26×36, 26×48, 36×36, 36×48 and 36×60 inches
  • Adjustable floating aprons
  • Large impactor features in compact units 
  • Large feed opening
  • Recycle, chrome alloy, and high chrome blow bars available
  • Thick AR liners
  • Multiple blow bar configurations
  • Heavy duty,  high reduction ratio crusher
  • 4 sizes: 16×24, 24×36, 36×48, and 36×60 inches
  • Adjustable aprons to control size reduction 
  • Largest and heaviest hammers
  • Large feed opening
  • Carbide or cast hammers
  • Thick AR liners
  • Multiple rotor options available