Granutech Saturn Systems, offers a diversified line of recycling equipment systems that can be easily integrated into a single processing facility. From shredders to granulators to powederizers and refiner mills -- to auto crushers and balers/loggers, our engineers continuously develop products that meet the needs of your industry and application. But more importantly, our engineers will work with you to create a system that meets your particular needs. We can do this because we design and manufacture all equipment in-house, we test the equipment, and we install the equipment if desired to ensure high performance.

About Us


Founded in 1971, the global company company that is today Granutech-Saturn systems, is a leader in recycling equipment design, quality and innovation, and based in Dallas, Texas.   Its world class product offering includes Saturn® shredders, granulators and refiner mills, and MAC® (Mobile Auto Crushers)  auto flattening units and high density balers and loggers, which are among the most widely used pieces of equipment of their kind in the world.  Granutech-Saturn Systems is not only the result of inherent engineering and design expertise, but also strategic acquisitions of long established brands (Saturn Shredders and MAC brand crushers and auto balers) in the industrial recycling equipment market.The company produces standard models and highly customized and configurable models through a comprehensive engineering services offering and in-house manufacturing and fabrication shop. 

The company's offerings and success in the market place extends to end to end tire recycling systems as well.  applications among others,   

If company stability, application experience, engineering expertise, equipment longevity and service after the sale are qualities you look for in a capital equipment supplier, then Granutech-Saturn Systems Corporation is your full-service company. 

Learn more below:


For over 40 years, Granutech Saturn Systems has led the industry in designing and manufacturing innovative, high performing size reduction machinery. Our brands are known worldwide for their ability to crush, shred and reduce the toughest materials with world-class reliability and durability. Granutech Saturn System’s engineering and design staff is experienced in developing solutions for the most demanding applications, providing custom systems for all size reduction applications. We understand the materials you are working with and will provide you with a system that will efficiently, effectively and economically meet your exact processing requirements.

Granutech’s product line includes a full range of size reduction equipment. Our crushers, shredders, grinders and refiners perform operations as diverse as crushing automobiles, shredding tires, processing hazardous and nuclear waste for incineration and shredding metals, paper, rubber and plastics for recycling and reclamation.

Our Brands Include

MAC, our line of mobile automobile crushers, has been the industry leader since the late 1960’s. Designed to meet the needs of the automobile recycling and scrap industry, the MAC line includes stationary and portable crushers that prepare cars for safe and effective shredding. Benefits include fast set-up and operation, reliability and low-maintenance operation. Our Big MAC flattener is the most widely used automobile crusher in the world.

Saturn Shredders
Saturn Shredders are a line of low speed, high torque shredders that provide high performance, durable shredding for a wide range of materials and applications.  We offer single rotor, dual shaft and quad shaft shredders constructed of the strongest materials to ensure efficient processing. Custom configurations generate shredded materials that meet your exact application requirements. Saturn Shredders set the standard for durable, reliable processing of solid and municipal waste, hazardous waste, electronic scrap, tires, rubber, plastics and metal scrap. Our engineers will design a custom solution for your application.

Our shredder brands include our single rotor Roto-Grind, our dual and quad shaft Saturn Shredders and the Grizzly, a medium speed heavy duty grinder. All our shredders can be integrated with feeders, hoppers, separators, grinders and granulators.

Purchased by Granutech in 1984, Saturn Shredders have earned their reputation as high quality, durable shredders and lead the industry in performance and reliability.

Granutech’s complete line of grinders and granulators were developed to process crumb rubber for recycling and re-use in manufacturing. These high output machines will generate clean rubber to meet your precise size requirements. Granutech’s Grizzly produces sizes from 1/2' minus to 1” minus, the G-3 Granulator as fine as 10 mesh, Granutech Powderizers from 5/32 to 30 mesh and Granutech Refiner Mills from 10 mesh to 80 mesh. Granutech’s grinders and mills can be integrated with a custom shredding system to process your scrap rubber and tires.

Shredder Replacement Parts

Wherever you are and whenever you need them, Granutech-Saturn Systems is ready with the replacement parts you need. We provide quality parts that meet or exceed OEM requirements for a variety of machines including:

  • Granutech-Saturn
  • SSI
  • Shred Pax
  • Shred-Tech
  • American Pulverizer
  • Eidal
  • Retech
  • Vortex
  • Williams
  • and more

Our cutters, shafts, gears, spacers, seals and bearings can usually be on your doorstep within 24 hours, so downtime is kept to a minimum. You can count on Granutech-Saturn Systems to offer

  • Cost competitive replacement parts and service to help keep your profits up and your costs down.
  • On-time delivery and reliability to maximize your productivity.
  • Experienced service technicians to optimize shredder performance at your site.
  • Engineering expertise to benefit you by customizing your shredder to fit your application.
  • Hydraulic and electrical replacement parts.


Saturn - Model Hammermill - Saturn Hammermills in 36

A recent addition to our Saturn shredder family of products- the high-speed hammermill line hails from a long legacy of hammermill engineering excellence, originally designed and delivered by Magnatech Engineering. Recently acquired by Granutech-Saturn Systems, the Hammermill product line is now part the Saturn-shredder product portfolio. From its early days under the Magnatech brand, the hammermill line (now under the Saturn brand) has been known for ...

Saturn - Dual Shaft Shredder

For over 40 years, Granutech Saturn Systems has designed and manufactured world-class dual shaft shredders for the industrial market. Our dual shaft shredders are used for applications that require a broad range of sizes and can be used as final processing or pre-processing prior to grinding or refining. Saturn Shredders are custom designed to provide you with the shredding capacity your process requires and our engineers can design a complete system ...


Recycling equipment for shredding demolition & construction waste

Demolition and construction waste is one of the most difficult waste materials to process. It contains a wide range of materials, including rebar, electrical boxes and jacketing, textiles, glass, and plastics. Efficiently processing construction debris for disposal and recycling requires separating the materials either before or after shredding to allow for the most productive shredding, as well as possible material reclamation.

Recycling equipments for shredding solid waste & municipal solid waste

Solid waste and municipal solid waste (MSW) size reduction requires processing of many different materials, from filled drums to household waste. And, as the amount of solid waste increases and the cost of landfill management increases, it is becoming more critical that waste management become more effective, economic and efficient. Shredded and compacted waste is easier and cheaper to transport and extends the life of the landfill. In addition, separating out materials that can be reclaimed and recycled or that...



Granutech Saturn Systems offers a full suite of services to support our customers from their first call to us for a quote.  Starting with design services, we’ll provide you with a system that meets your exact requirements.  After the sale, we provide maintenance and repair services to keep your machinery operating at peak efficiency.  We offer replacement parts for our size reduction equipment and for other OEM equipment to help ...



Canadian Waste & Recycling Expo 2012, E- Scrap Conference 2009, Electronics Recycling Conference & Tradeshow, FIMAI - Environment Brazil, Gulf Coast Chapter Institute of Scrap Recycling Industries (ISRI), ISRI Annual Convention & Scrap Recycling Industry Exposition, RWM In Partnership With CIWM 2012, The E-Scrap Conference 2012, Tire Recycling Business Summit


Company details

Business Type:

Industry Type:
Waste and Recycling - Material Recycling

Market Focus:
Globally (various continents)


$10,000,000 US - $100,000,000 US

Office & Distributor locations:


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