Horizontal Shaft Impactors


Horizontal shaft impactors (HSI) offer the adaptability and capacity required to meet producer expectations.  

With three- or four-bar configurations, large feed opening and high-performance MPR rotor, Astec impact crushers are well-suited for a variety of applications. With 30% more uptime and 25% more production than competitive models, our HSIs deliver exceptional performance.  


  • Road Building - Concrete

    Astec's comprehensive line of concrete plants delivers high-quality and durability for the roadbuilding industry with an extensive selection of high-production plants and mixers.

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  • Roadtec RX-700 cold planer milling asphalt off the road surface into a dump truck

    Recycled Asphalt Pavement

    The asphalt pavement industry has a long history of incorporating reclaimed asphalt pavement (RAP) into new asphalt pavement mix. In fact, Asphalt is America’s most recycled material making the asphalt industry is a leader in the use of recycled materials. Astec has a long history of building world-class tools to allow contractors and producers to collect and utilize this very valuable product. 
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  • Pioneer® jaw crusher in concrete recycling application

    Crushed Stone

    Crushed stone is a versatile product that can be used in a wide range of applications from construction to road building and even agriculture. Processing this material may include reducing its size with a crusher, sizing the crushed material with a screen and conveying the material into different stockpiles. 
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    • Construction Aggregates

      Construction aggregate is typically medium or coarse material that is used in construction applications. Processing this material may include reducing its size with a crusher, sizing the crushed material with a screen and conveying the material into different stockpiles.
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      • Construction

        Construction projects today depend on an available supply of quality concrete mix. With the most comprehensive line of concrete production equipment in the industry, Astec is ready to help meet that demand.
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      • Construction and Demolition (C&D) Recycling

        Construction & Demolition Recycling (C&D) is mixed material associated with construction and demolition. The material could include wood, cardboard, plastic, metal, wire, roofing shingles, concrete and more. By separating and recycling different materials it reduces landfill use and tipping fees, while also producing value-added products.
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      • Concrete Recycling

        Concrete is one of the most recycled materials in the world that can be repurposed several times over. Once the existing concrete is demolished or torn up, it needs to be processed for accurate shaping and sizing using a crusher and screen. 
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        • Aggregates

          There are two main classes of aggregates: natural and manufactured. Deleterious material needs to be removed from both classes of aggregates. Processing these materials typically requires various steps including reduction and sizing and also may include dewatering and sorting. Producers can use a variety of crushing, screening, dewatering and conveying equipment to meet their desired specifications.
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          Model Rotor Diameter (mm) Rotor Width (mm) Weight (kg) Capacity (MTPH)
          2421 609 533 1,440 45
          2430 609 762 1,590 63.5
          3136 787 914 2,631 159
          3646 914 1,168 6,350 227
          4240 1,067 1,016 11,113 227
          4250 1,067 1,270 12,792 272
          5260 1,321 1,524 19,505 408
          PA6060 1,500 1,500 27,700 545
          Model Rotor Diameter (in) Rotor Width(in) Weight (lb) Capacity (TPH)
          2421 24 21 3,170 50
          2430 24 30 3,500 70
          3136 31 36 5,800 175
          3646 36 46 14,000 250
          4240 42 40 24,500 250
          4250 42 50 28,200 300
          5260 52 60 43,000 450
          PA6060 59 59 61,000 600


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