4-shaft crusher

What is a 4-shaft industrial shredder?

The 4-shaft shredder is one of the most advanced and efficient solutions in the field of industrial shredding, specifically designed to handle complex, bulky, or hard-to-process materials. Thanks to its system of four synchronized rotors, this equipment enables progressive and controlled material reduction, ensuring uniform particle size and greater process stability.

In industrial settings such as recycling, waste treatment, or material recovery plants, this machine stands out for its ability to process heterogeneous waste—including plastics, wood, light metals, tires, and high-strength materials. Its robust design and optimized cutting technology minimize jams and maximize productivity.

Its four-rotor system allows:

Greater control over the final size of the material.
Uniform reduction without peak effort.
Efficient processing of difficult materials.

Applications of the 4-shaft crushers

Four-shaft shredders have a wide variety of applications in different industrial sectors thanks to their versatility and adaptability.

The Kraken 4-shaft shredder is designed for continuous operation with bulky, challenging, and high-strength materials. Its four-shaft system ensures consistent, controlled shredding, producing a uniform particle size tailored to each specific application. The machine’s power enables the processing of large hourly volumes while maintaining steady performance and minimizing downtime caused by jams.

Plastic recycling

Reduction of bulky parts or technical materials.

In tire shredding, the Kraken stands out for its ability to process passenger car, truck, and agricultural machinery tires without the need for pre-treatment. Its four-shaft design minimizes jams and ensures continuous shredding, producing rubber granules suitable for paving, soccer fields, and recycled rubber products.

Wood treatment

Shredding of pallets, forestry waste or industrial waste.

For wood processing, the Kraken efficiently handles pallets, boards, beams, construction waste, and carpentry offcuts. Its robust blades allow it to process hard and contaminated wood, producing uniform chips suitable for biomass, composting, or industrial reuse.

Recycling of light metals

Aluminum, profiles or industrial components.

The four-shaft shredder enables the recycling of light metals such as aluminum, copper, brass, and small-format scrap. Its controlled size reduction facilitates subsequent separation by density or eddy current, optimizing performance in non-ferrous metal sorting and recovery plants.

Tire shredding

Ideal as a tire shredder for processing.

Industrial waste management

Mixed or difficult-to-treat materials.

For industrial waste management, the 4-shaft shredder is the most versatile solution on the market. It processes mixed waste, cables, technical textiles, foams, and bulky materials that are difficult to sort, adapting to the needs of treatment plants, authorized waste managers, and industries generating high volumes of waste.

Model 4-shaft crusher

Within Silmisa’s machinery range, our 4-shaft shredder represents a high-performance solution designed for demanding industrial applications. This equipment has been developed to offer efficient, stable, and continuous shredding of complex materials.

Kraken Model

Technical specifications of the Kraken model

Technical data	Kraken S100	Kraken S160
Engine	2 x 22 kW	2 x 55 kW
Entrance mouth	1200x1000 mm	1800x1200 mm
Number of rotors	4	4
Crushing chamber	960x700 mm	1560x1000 mm
Weight	4.000 kg	10.000 kg
Blade diameter	310 mm (upper rotors) 265 mm (lower rotors)	310 mm (upper rotors) 265 mm (lower rotors)
Cutting length	960 mm	1.560 mm
Total number of blades	46	76
Rotor speed	20-40 rpm.	20-40 rpm.
Rack	30-150	30-150

Features and technical specifications

Power, capacity and performance

This equipment is designed to deliver high levels of performance in industrial environments. Its power and processing capacity allow for continuous handling of large volumes of material. This translates into greater operational efficiency and reduced costs in the long run.

Ease of use and maintenance

In addition to its performance, the crusher's design prioritizes ease of use and maintenance. Accessibility to key components allows for quick and safe inspection and replacement. This ensures greater machine uptime and more efficient plant operation.

Benefits of using a 4-shaft crusher by Silmisa

Greater efficiency in crushing

Of complex materials

Reduction of operating costs

Thanks to reduced wear and optimized consumption

High durability

In demanding industrial environments

Versatility

To work with different types of waste

Operational security

Through advanced control systems

How to choose the best 4-shaft crusher for your project

Choosing a 4-shaft shredder should be based on several key factors related to the production process. Furthermore, a preliminary process analysis allows you to select the most suitable configuration and avoid oversizing or technical limitations. At Silmisa, we offer personalized advice to help you choose the best solution for your specific needs.

Type of material to be processed

It is essential to define the material you are going to process beforehand in order to select the most suitable model according to your needs.

Required production volume

Each project requires a specific performance level. Our machines allow us to work from moderate volumes to continuous industrial production.

Desired final size of the material

It is essential to define beforehand the final size that needs to be obtained by varying between finer or wider granulometries.

Integration with other machines in the line

Our 4-shaft shredder is very easy to adapt with other equipment or peripherals that help with material recycling.

Maintenance and technical support for these machines

Proper maintenance of an industrial crusher is essential to guarantee its performance and durability. At Silmisa, we support our clients throughout the entire lifecycle of their machine. Our service includes:

Specialized technical assistance.
Supply of original spare parts.
Preventive maintenance programs.
Support for process optimization.

Specialized technical assistance

With technicians specializing in 4-shaft shredders.

Supply of original spare parts

Blades, grids and components for the Kraken S100 and Kraken S160 models.

Preventive maintenance programs

Programmed to maximize equipment availability

Support for process optimization

Our technical team performs accurate diagnostics to identify the source of any fault in your 4-shaft shredder and act quickly.