Astec Horizontal Shaft Impactors (HSI) are engineered to deliver high-capacity, high-reduction crushing for quarrying, aggregate production, construction, and recycling applications. Designed to maximise throughput while producing consistently shaped end products, Astec HSIs combine robust rotor technology with advanced wear components to deliver reliable performance and reduced operating costs.

Featuring a high-performance Maximum Performance Rotor (MPR), three- or four-blow bar configurations, and hydraulically adjustable impact curtains, Astec Horizontal Shaft Impactors provide exceptional reduction ratios and precise product sizing across a wide range of materials. Their heavy-duty construction, self-aligning bearings, and easily replaceable wear components simplify maintenance while maximising uptime and production.

Available in a range of models to suit varying production requirements, Astec Horizontal Shaft Impactors are built for durability, efficiency, and consistent product quality, making them an ideal solution for aggregate producers and recycling operations where productivity and reliability are essential.

• Maximum Performance Rotor (MPR) – Delivers high reduction ratios and increased production.
• Hydraulic Curtain Adjustment – Allows quick and accurate product sizing adjustments.
• Three- or Four-Blow Bar Configurations – Optimises performance for a wide range of applications.
• Self-Aligning Bearings – Improves reliability and extends bearing life.
• Replaceable Blow Bars & Bolt-On Liners – Reduces maintenance time and operating costs.
• Heavy-Duty Construction – Designed to withstand demanding quarrying and recycling environments.

• Quarrying – Primary and secondary crushing of limestone and other medium-hard rock.
• Aggregate Production – Producing high-quality, cubical aggregates for construction.
• Concrete Recycling – Processing reinforced and reclaimed concrete.
• Construction & Demolition Recycling – Crushing demolition waste into reusable materials.
• Asphalt Recycling – Processing reclaimed asphalt pavement (RAP) for reuse.