M&J PreShred 4000S pre-shredder

M&J PreShred 4000S pre-shredder

Stationary pre-shredder for waste processing

M&J PreShred 4000S is a versatile pre-shredder utilized in waste processing and waste recycling applications. Able to process many types of waste, such as municipal solid waste, industrial waste, construction waste, biomass, wood, and bulky waste, M&J PreShred 4000S is also available as mobile version and as a variation that is designed especially for opening of light packing material.

Excellent uptime

An open cutting table. Bi-directional shredding system. Wear resistant materials. Easy maintenance.

Intelligent performance 

Self-feeding. No need for a pusher. Readjusts according to the feed material.

Advanced design

Modular construction. Large cutting table. Aggressive heavy-duty knife assembly. Designed to need less energy to operate.

Versatile applications

Can be tailored and adjusted to produce the required grain size of any solid waste material.

Robust M&J PreShred 4000S pre-shredder

M&J PreShred 4000S is the medium-sized model of M&J PreShred stationary pre-shredders family. It can process various waste types such as bulky waste, commercial and industrial waste, municipal solid waste, construction and demolition waste, biomass, wood, as well as baled materials.

M&J PreShred 4000S is generally used in refuse-derived fuel (RDF) production, biomass processing, waste-to-energy plants (WtE), and in mechanical biological treatment plants (MBT).

The pre-shredder is available as traditional stationary version, as slightly modified version for bag opening, and as mobile version.

Excellent uptime

M&J PreShred 4000S features an open cutting table allowing stones and other hard particles, like metals, to fall through the cutting area. The open cutting table design and bi-directional shredding system increase safety and reduce risk of malfunctions that hinder operations.

All knives and wear-exposed parts of M&J PreShred 4000S are made from wear resistant steel, ensuring continuous and long-lasting performance. Bolts and bearings are conveniently mounted away from the cutting area, allowing for easy access and maintenance to reduce costly downtime.

Intelligent performance

M&J PreShred 4000S pre-shredder can be adjusted to any waste processing requirements. Its bi-directional knife assembly runs both clockwise and counterclockwise with equal speed and torque. The shredder can change the rotation direction when encountering challenging materials, enabling self-feeding and eliminating the need for a pusher.

M&J PreShred 4000S is equipped an intelligent control unit that automatically adjusts shredding routines to processed material characteristics. The control unit has 6 standard programs and 2 custom programs, which permit the creation of tailored shredding routines for maximized performance.

Advanced design

M&J PreShred 4000S pre-shredder is constructed modularly. The chassis, conveyor and oil coolers can be adapted to meet individual requirements in either new or existing plants.

The pre-shredder has a large cutting table, two shafts, and an aggressive heavy-duty knife assembly. M&J PreShred 4000S pre-shredder’s robust frame is designed to require less power to operate, minimizing energy consumption without sacrificing output.

Versatile applications

M&J PreShred 4000S pre-shredder is an excellent solution even for the most challenging materials.

Many different assembly possibilities, ranging from different knife shapes to the number of knives, enable tailoring and adjusting the pre-shredder to produce the required grain size of any solid waste material.

How does a cutting table work?

A cutting table is in the heart of a waste shredder. M&J PreShred pre-shredders have an open cutting table equipped with a shaft or two shafts with an aggressive knife design.

Thanks to the cutting table design, M&J PreShred pre-shredders are resistant to wear caused by hard materials such as solid steel, reinforced concrete, and rocks.

Durability is a notable benefit especially when dealing with mixed and challenging materials.

M&J PreShred 4000S pre-shredder's technical specifications

How others have improved profitability and reduced risks?
M&J PreShred 4000S pre-shredder parts and services

M&J PreShred 4000S pre-shredder spare parts and wear parts

Original equipment replacement M&J PreShred 4000S pre-shredder parts ensure proper fit, form and function to reduce maintenance issues and increase longevity.

If your equipment fails, productivity of your entire plant is at risk. To avoid such losses, critical replacement parts are readily available when you need them.

Our global distribution logistics network ensure that Metso OEM spare and wear parts are available when you need them.

Spare parts

  • Conveyor parts
  • Coolers
  • Gears
  • Guards
  • Hydraulic parts
  • Motors
  • Sensors
  • Pumps
  • Valves

Wear parts

  • Bearings
  • Cutting tables
  • Filters
  • Fittings
  • Grease
  • Hoses
  • Oil
  • Shafts
  • Wear plates

Services for M&J 4000S pre-shredder

Our service team consists of experts with extensive know-how in improving the performance of your M&J PreShred 4000S pre-shredder and the whole recycling process.

We solve all kinds of service needs at short notice – either as separate tasks or as part of a fixed service agreement. These services include for example emergency services, repairs, preventive maintenance, refurbishments, upgrades, process optimization, relocation services, and training.  

Service agreement

As a customer, you are not required to have a continuous service agreement. However, it tends to reduce risks, simplify maintenance actions, improve equipment and process performance, as well as save time and money.

  • Your equipment will be looked after and taken care of by certified staff
  • You will minimize disruptive downtime and lost income
  • You will cut down on your energy costs
  • You will gain access to the latest updates and improvements
  • You will constantly be aware of your maintenance costs

Continuous service agreement enables significantly better return on investment on your M&J PreShred 4000S pre-shredder and fewer unwelcome surprises to disrupt production.

Global network, local presence

Good service is about being there when you most need it. Metso has subsidiaries and agents around the world. Our service experts are ready to react quickly and come to your production site whenever required.

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