Stedman’s Mega-Slam™ Primary Horizontal Shaft Impactors (HSI)

Stedman Machine Company is a U.S.-based manufacturer of industry-leading, premium-impact-style crushers for the aggregate industry. We listen to our customers and develop custom solutions for their unique size reduction and processing problems.

Stedman’s Horizontal Shaft Impactors

Stedman offers its Mega-Slam™ primary Horizontal Shaft Impactors (HSI) with production rates up to 1200 tph. Grand-Slam™ secondary HSI production rates are as much as 1600 tph. V-Slam™ vertical shaft impactor produces coarse to fine product capacity up to 250 tph. Use cage mills for coarse, medium-fine, and fine grinding. Single-row cage mills are available for producing cubical-shaped particles. Two- and four-row cage mills are ideal for manufactured sand and aglime. Six-row cage mills produce specialty fine-grind products.

Stedman also provides dry material systems engineering and expertise including: crushing, screening, structures, conveyors, chutes, hoppers, dust collection, and storage.

A complete inventory of impact crusher parts are available for immediate shipment. Schedule your next inspection, preventive maintenance, training, or machine optimization with Stedman’s experienced service professionals.



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    129 Franklin Street Aurora, IN 47001
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    Since 1834 Stedman Machine Company has been a consistent leader in size-reduction technology and industrial crushing equipment manufacturing. Our  size-reduction equipment  is designed to increase profits by maximizing the production of marketable product and reduce equipment down time.

    Backed by more than 180 years of industry experience, our industrial pulverizing mills and crushing equipment provides efficiency, economy, and durability through consistent improvements in materials and design. With Stedman you are assured the highest levels of performance and the lowest possible maintenance.

    Industrial Crushing Equipment Manufacturer
    Stedman’s complete line of size-reduction and crushing equipment (impact crushers,  cage mills, and more) provides you access to the best equipment for the process, instead of modifying your process to fit the equipment.

    Stedman Machine Company provides consulting services,  custom design and layout, project planning, full-scale  testing and toll processing. Our 24-hour parts and service department along with our inventory of wear parts allow us to provide the fastest response time for parts and service.

    Our extensive product line of industrial crushing and pulverizing equipment, industry-leading testing, unsurpassed experience, and dedication to you combine to make Stedman a leading crushing equipment manufacturer… Your Solution to Size Reduction™.