M&J PreShred 4000S LVP pre-shredder

M&J PreShred 4000S LVP pre-shredder

Stationary pre-shredder for bag opening

M&J PreShred 4000S LVP is a special pre-shredder developed for opening light packing material. It is utilized in waste processing and waste recycling applications when the feed material is packed in light plastic bags. M&J PreShred 4000S LVP carefully breaks the composition of the bags and reduces the waste to the optimal size for accurate sorting.

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 in any bag-opening application.

M&J PreShred 4000S LVP pre-shredder – the perfect bag-opener

M&J PreShred 4000S LVP pre-shredder a mid-size model in the M&J PreShred pre-shredders product family. It is a special version developed from the popular PreShred 4000S especially for bag opening applications.

M&J PreShred 4000S LVP features butterfly style knives which are efficient in opening bags filled with waste. The shredder breaks the composition of the plastic bags and reduces the waste material to the optimal size for more accurate sorting.

Excellent uptime

M&J PreShred 4000S LVP 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 LVP 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 LVP 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 LVP pre-shredder 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 LVP 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 butterfly style knives. M&J PreShred 4000S LVP pre-shredder’s robust frame is designed to require less power to operate, minimizing energy consumption without sacrificing output.

Versatile applications

Plactic bags and light packing materials vary country by country. M&J PreShred 4000S LVP can be adjusted to fit every bag-opening need.

The pre-shredder is designed to ensure that all bags are opened, and recyclable materials retain their shape, no matter the type or composition of the packing material.

Cutting table technology
Cutting table technology

M&J PreShred 4000S LVP has a cutting table equipped with two rotating shafts.

Each shaft has 2x7 special butterfly knives and transverse counter-knives with no middle bar.

The transverse knives can be replaced as they have been mounted with bolts.

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

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

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

Original equipment replacement M&J PreShred 4000S LVP 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 LVP pre-shredder

Our service team consists of experts with extensive know-how in improving the performance of your M&J PreShred 4000S LVP 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 LVP 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.


Contact Metso experts