Grand Slam Horizontal Shaft Impactor (HSI)

Grand Slam Impactor 1500x1236x300
Stedman 11078399

UPDATED FEBRUARY 11, 2019

The Grand Slam Horizontal Shaft Impactor (HSI) from Stedman uses high-chrome metallurgy to increase the wear life of machine components. The 48x60 Grand Slam can process recycled asphalt pavement (RAP) at 300 tons per hour at standard settings.

  • Capable of high size reduction ratios up to 30 to 1
  • All types of material sizes and hardnesses can be crushed producing a cubical particle shape
  • Series consists of 11 high-production models with capacities ranging from 1,200 to 1,600 tph
  • Design incorporates both primary and secondary aprons for maximum product control
  • Two-stage crushing action
  • Full-length rotor shaft with two, double-row spherical-type bearing assemblies
  • Rotor features either a 2-, 3- or 4-row breaker bar design, depending on machine model size
  • Wedge locking design secures the breaker bars in place and simplifies breaker bar servicing


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