Equipment

JLSS Double Shaft Shredder

✔ Shred scrap metal, tires, plastic, biomass waste
✔ 1–30 tons per hour capacity
✔ Low speed high torque shredding system
✔ Suitable for industrial recycling lines

 

Double shaft shredder is designed to process bulky and difficult waste materials such as scrap metal, steel drums, tires, plastic containers, wood, agricultural waste and industrial waste. Equipped with two counter-rotating shafts and durable alloy blades, the machine tears and shears materials into smaller, uniform pieces for easier transportation, storage, and recycling. The double shaft shredder is widely used as a core machine in metal recycling plants, tire recycling lines, biomass waste recycling factory, solid waste processing systems, and industrial waste recycling projects. We provide customized solution based on customers' needs, ensuring high quality, improving productivity, and saving costs.

JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder
JLSS Double Shaft Shredder

What Materials Can a Double Shaft Shredder Process?

✔ Metal Scrap: iron, steel, aluminum, copper, metal plates, metal barrel, cans and castings, used car, motorcycles, engine, oil filters, motor, color steel tiles, etc.

✔ Biomass: rice straw, paddy straw, sugarcane bagasse, corn stalks, corn cob, palm leaves, EFB, coconut shells, etc.

✔ Wood Waste: tree, logs, branches, root, bark, pallets, wooden board, timber, lumber, etc.

✔ Tire: car tires, truck tires, OTR tires, conveyor belt, rubber pipes, and other rubber products.

✔ Plastic: PVC, PE, PP, ABS, PET, HDPE and other plastic waste, pipes, lumps, bottles, barrels, pallet, etc.

✔ Bulky Waste: Furniture like sofas, mattresses, tables, cabinets, and Home Appliances like fridge, air conditioner, washing machine, etc.

✔ Cardboard: waste carton, OCC (old corrugated cardboard), paper mill waste and pulper ropes, etc.

✔ Other waste: sponge, leather, fabric, garbage, household waste, construction and demolition waste and so on.

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How a Double Shaft Shredder Works?

The double shaft shredder operates with two counter-rotating shafts equipped with high-strength alloy blades. Materials are fed into the shredding chamber where they are grabbed, torn, sheared, and squeezed continuously. The low-speed, high-torque design allows the machine to process bulky and hard waste with reduced dust and vibration. Shredded materials are discharged into conveyors for further separation or crushing. Please watch the double shaft shredder working video below:

   

 

Advantages of Double Shaft Shredder

· Powerful Low-Speed High-Torque Shredding

The dual shaft system delivers strong tearing force at low speed, making it suitable for processing bulky and hard materials with stable performance.

· Wide Material Application

The machine can shred scrap metal, steel drums, tires, plastic waste, appliances, wood, and other industrial waste materials in different recycling industries.

· Durable Alloy Blades

High-strength alloy steel blades provide excellent wear resistance and long service life, reducing maintenance frequency and operating costs.

· Uniform Shredding Output

Materials are shredded into relatively consistent sizes, improving downstream conveying, separation, and recycling efficiency.

· Stable Continuous Operation

The heavy-duty structure and hydraulic drive system support long-term continuous operation in demanding industrial recycling environments.

· Easy Maintenance Design

The shredding chamber and blade system are designed for convenient inspection and replacement, helping reduce downtime during maintenance.

· Automatic Overload Protection

The machine can automatically reverse when overloaded, protecting the blades and shafts from damage caused by hard or oversized materials.

· Suitable for Recycling Lines

The double shaft shredder can work together with conveyors, magnetic separators, and granulators as part of a complete recycling solution.

 

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Double Shaft Shredder Technical Parameters

Before choosing a double shaft shredder model, customers should consider material type, output size requirement, processing capacity, and workshop conditions. Different blade thickness, shaft structure, and motor power are designed for various recycling applications. The following technical parameters will help you select the most suitable shredding solution.

Model

JLSS1000

JLSS1200

JLSS1500

JLSS2000

Motor

15kW+15kW / 22kW+22kW

22kW+22kW / 55kW+55kW

55kW+55kW / 75kW+75kW / 90kW+90kW / 110kW+110kW

90kW+90kW / 110kW+110kW

Gearbox

2 units, planetary type, gear transmission

Shaft

solid shaft, made of 40Cr, hardened and tempered

Shredder chamber (inner)

940*725 mm

1120*1000 mm

1415*1010 mm

1920*1100 mm

Main shaft rotary speed

8-18 rpm

8-18 rpm

8-18 rpm

8-18 rpm

Shaft diameter

360 mm

360 mm / 530 mm

530 mm / 560 mm

560 mm / 600 mm

Lubrication system

with automatic oil lubricator

Dimension

3.2*1.3*2.3 m

3.2*2*1.9 m

4.04*2.45*2.6 m

5.48*2.79*3.05 m

Weight

6000kg

12000kg

18000kg

29000kg

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Blade Materials of Double Shaft Shredder

The blade materials of a Double Shaft Shredder play a crucial role in determining its cutting efficiency, wear resistance, and service life. Typically, the shredder blades are made from high-strength alloy steel or tool steel, such as 9CrSi, M6V, Cr12MoV, H13, SKD-11, D2, or Cr12Mo1V1, etc. which offer excellent hardness and impact resistance.

Through advanced heat treatment processes like quenching and tempering, the blades achieve a perfect balance between toughness and durability, allowing them to withstand continuous heavy-duty shredding of metal scrap, plastics, tires, and other tough materials. In some high-end applications, surface hardening or coating technologies are also applied to further enhance wear resistance and extend blade lifespan.

With superior blade materials and precise manufacturing, the Double Shaft Shredder ensures stable cutting performance, reduced downtime, and long-term reliable operation in demanding recycling environments.

 

Start Your Double Shaft Shredder Project Today

Tell us your waste type, capacity, and workshop size. Our engineers will recommend the right model, provide a double shaft shredder price, and design a free 2D layout plan for your recycling line. Fast response within 12 hours.

Global Project Cases

Our Double Shaft Shredder has been successfully delivered and installed in numerous global recycling projects, serving customers across Europe, Asia, the Middle East, and South America. These real-world applications cover a wide range of industries, including scrap metal recycling plants, waste processing facilities, and material recovery centers.
Each project case demonstrates the machine’s strong shredding capacity, stable performance, and adaptability to different materials such as metal scrap, tires, plastics, and industrial waste. From initial installation to long-term operation, our equipment consistently delivers high efficiency, low maintenance requirements, and reliable output quality.
These global references not only highlight the proven performance of our Double Shaft Shredder but also reflect our commitment to providing customized recycling solutions and professional support for customers worldwide.

Project 1: In 2023, a JLSS2000D metal shredder was installed in St. Petersburg, Russia to process 15 tons/hour scrap metal and car bodies. The system became the primary equipment in the customer’s recycling line, significantly improving shredding efficiency and metal recovery rate.

Project 2: In 2021, a scrap metal recycling company in Poland installed a Model JLSS2000D metal shredder at its facility to process heavy metals, waste oil drums, and industrial waste. This equipment is capable of continuous operation under heavy loads, processing over 20 tons of scrap metal per hour.

Project 3: In 2019, a recycling company in Romania selected the JLSS2000D model to shred non-metallic materials, steel drums, and aluminum containers.

Project 4: In 2025, a JLSS2000D metal shredder was installed in Algeria to process scrap car frames and heavy steel sections at 18 tons per hour.

Project 5: In South Africa, a client utilizes the JLSS2000D metal shredder as the primary processing unit within a complete scrap metal recycling production line. This shredder is capable of performing impeccable pre-treatment of the material, thereby fully preparing it for subsequent crushing and sorting operations.

Project 6: In 2025, a JLSS2000D unit was installed in Saudi Arabia for shredding heavy steel structures, broken bridge aluminum, and scrap vehicle parts at approximately 20 tons per hour. 

 

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How to Build a Recycling Line with a Double Shaft Shredder?

Building an efficient recycling line with a Double Shaft Shredder starts with selecting the right equipment configuration based on the type and volume of waste material. As the primary size-reduction machine, the double shaft shredder is responsible for tearing bulky materials into smaller pieces, creating a stable foundation for the entire recycling process.
A complete recycling line typically includes feeding conveyors, the double shaft shredder, magnetic separation systems, screening equipment, and discharge conveyors. Depending on the application, additional machines such as granulators, crushers, or sorting systems can also be integrated to improve material purity and processing efficiency.
With its strong shredding force, low-speed high-torque design, and wide material compatibility, the Double Shaft Shredder helps optimize workflow, reduce labor costs, and improve recycling output. A well-designed recycling line not only increases operational efficiency but also maximizes the recovery value of recyclable materials.

 

metal shredder for oil filter and motor rotor

Double Shaft Shredder vs Single Shaft Shredder

Comparison Item Double Shaft Shredder Single Shaft Shredder
Working Principle Two counter-rotating shafts tear materials Single rotor cuts materials against fixed blades
Main Shredding Method Tearing and shearing Cutting and grinding
Suitable Materials Scrap metal, tires, drums, appliances Plastic, wood, paper, light waste
Material Hardness Suitable for bulky and hard materials Better for softer and lighter materials
Output Size Control Larger and less uniform output More controlled output with screen
Processing Capacity Higher for bulky materials Higher precision shredding
Blade Structure Thick heavy-duty blades Smaller cutting blades
Feeding Requirement Suitable for irregular bulky waste Better with relatively uniform feeding
Maintenance Focus Blade and shaft maintenance Rotor and screen maintenance
Recycling Applications Metal recycling, tire recycling, industrial waste Plastic recycling, wood recycling, paper shredding
Main Advantage Strong tearing force and wide application range Better output size control

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Double Shaft Shredder FAQ

1. What materials can a double shaft shredder process?

Our double shaft shredder can process a wide range of bulky and hard materials, including scrap metal, steel drums, tires, plastic containers, appliances, wood waste, electronic waste, and industrial solid waste. Different blade configurations can be customized according to the material type.

2. What is the output size after shredding?

The output size depends on the blade thickness and shaft configuration. Materials are typically shredded into strips or irregular pieces suitable for further conveying, separation, or secondary crushing.

3. What is the processing capacity of a double shaft shredder?

Depending on the model and material type, the machine can process approximately 1–30 tons of material per hour. Capacity may vary based on feeding conditions and material hardness.

4. What is the difference between a double shaft shredder and a single shaft shredder?

A double shaft shredder is designed for tearing bulky and hard materials with strong torque, while a single shaft shredder is more suitable for controlled-size shredding of softer materials such as plastic and wood.

5. How long do the shredder blades last?

The blades are made from high-strength alloy steel with excellent wear resistance. Blade life depends on the material being processed, but the machine is designed for convenient blade replacement and maintenance.

6. Does the machine have overload protection?

Yes. The shredder is equipped with an automatic reverse function that activates when overloaded, helping protect the blades and shafts from damage caused by difficult materials.

7. Can the double shaft shredder be used in a recycling line?

Yes. The machine is commonly integrated with conveyors, magnetic separators, granulators, and other recycling equipment as part of a complete recycling system.

8. Is installation support available after purchase?

Yes. We provide installation guidance, operation training, technical support, and after-sales service to help customers operate the machine efficiently and safely.

 

metal shredder for construction steel waste processing   metal shredder installed in scrap metal recycling line

 

Get Your Double Shaft Shredder Solution & Quotation

Share your scrap materials, required capacity, and available space with us. Our engineers will analyze your project, recommend the suitable double shaft shredder model, and provide a detailed price together with a free 2D layout plan for your scrap recycling line.

Why Choose Kowloon Machinery Double Shaft Shredder?

With 20 years of experience in recycling equipment manufacturing, Kowloon Machinery provides reliable and heavy-duty double shaft shredders designed for demanding industrial applications. More than 3000 machines have been delivered to over 80 countries, serving metal recycling plants, tire recycling lines, biomass waste recycling factory, and solid waste processing projects worldwide. Every shredder is fully tested before shipment to ensure stable performance and long service life. Backed by CE and ISO certifications, professional engineering support, and customized recycling solutions, Kowloon Machinery helps customers build efficient and profitable shredding systems.

 

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Customer Visit & Factory Tour

We warmly welcome customers from around the world to visit our factory and see the double shaft shredder manufacturing process in person. During the visit, you can observe raw material machining, blade production, machine assembly, and live testing with real scrap materials. This transparent process helps customers clearly understand our production standards, quality control, and equipment performance before placing an order.

Our engineers will also provide on-site explanations and discuss your project requirements, offering practical suggestions for your scrap metal recycling line. A factory visit is the best way to build confidence in the machine quality and our long-term cooperation.

 

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Spare Parts Supply & After-sales Support

To ensure long-term, stable operation of the double shaft shredder, we provide a complete spare parts supply system and reliable after-sales support. Key components such as shredder blades, shafts, bearings, and gearbox parts are manufactured with high-strength alloy materials and kept in regular stock for fast replacement. Our blade design focuses on wear resistance and easy maintenance, allowing customers to reduce downtime and operating costs.

We also offer clear guidance on blade replacement, routine maintenance, and spare parts management. With sufficient inventory and responsive technical support, customers can quickly obtain original parts and professional assistance whenever needed, ensuring the double shaft shredder continues to run efficiently in demanding scrap metal recycling environments.

 

metal shredder blade spare parts  double shaft metal shredder spare parts motor

 

Shipping and Installation of Double Shaft Shredder

We provide complete support for the shipping and installation of every double shaft shredder to ensure smooth delivery and fast commissioning at the customer site. Before shipment, each machine is carefully packed, reinforced, and loaded to prevent damage during long-distance transportation. Detailed layout drawings, foundation requirements, and electrical connection plans are prepared in advance to help customers get ready before the equipment arrives.

After delivery, our engineers offer remote guidance or on-site installation support, including assembly, wiring, testing, and operator training. From unloading the machine to trial operation with real scrap materials, we ensure the double shaft shredder runs safely and efficiently as part of the scrap metal recycling line.

 

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Certifications and Quality Standards

Our double shaft shredders are manufactured in compliance with international quality and safety standards to ensure reliable performance in demanding recycling environments. The equipment is built according to CE requirements for machinery safety and follows ISO quality management standards throughout the production process. From raw material selection and machining to assembly and final testing, every step is strictly controlled to guarantee durability and operational stability. Certification documents and test reports can be provided upon request, giving customers full confidence that the double shaft shredder meets global industry requirements for scrap metal recycling applications.