Shredding
WL 4
The tried-and-tested classic with a
600 mm rotor length

WEIMA WL 4 – A tried-and-tested shredder for trade and industry

  • Single-shaft system with horizontal slide gate
  • High throughput
  • Can be seamlessly integrated into production lines
  • Suitable for continuous operation
  • Widely available

The WL 4 single-shaft shredder is a compact yet powerful industrial shredder designed for the reliable shredding of waste and residual materials, particularly wood and paper. The machine is used in thousands of wood-processing plants, manufacturing companies and recycling applications worldwide and is synonymous with proven, practical technology. Thanks to its extremely robust construction, the WL 4 impresses with its long service life and reliable continuous operation – even under demanding operating conditions or when used outdoors.

As a standard-production shredder, it offers excellent value for money and a high level of investment security. Optionally equipped with an 11 kW drive, the WL 4 may also be eligible for subsidies, for example under BAFA programmes.

Below you will find an overview of the technical specifications, possible applications and available options for this proven single-shaft shredder.

WL 4
The tried-and-tested classic with a
600 mm rotor length
Precise cutting with high throughput thanks to the profiled V-rotor

The V-rotor, developed in-house by WEIMA, is suitable for universal use and is made from solid material. Its aggressive feed mechanism, featuring up to two rows of blades, guarantees high throughput with low power consumption. It can be fitted with hardened steel cutting blades with a blade length of 40 mm. These blades can be turned over several times as they wear, which drastically reduces maintenance costs.

No material bridges thanks to the free-cutting funnel design

The hopper serves several purposes. Firstly, it is used to feed the material to be shredded into the machine – either manually, mechanically or via a conveyor belt. The generous opening also makes it easy to load very large items. However, what is crucial for shredding is its special design, which is rounded at the front and thus effectively prevents material jams. Even with bulky items, the shredder clears itself automatically. If required, both hopper extensions and lids with gas springs are available.

Reliable material feed with a load-dependent slide valve

The slide, which moves horizontally back and forth via a hydraulic system, feeds the material to the rotor. With WEIMA, it can be controlled or cycled fully automatically, depending on the load. It can, of course, also be operated manually if required. For even more aggressive feeding, we recommend additional serrated plates and hold-down devices, which keep even bulky and long parts securely in place. A shock valve fitted to the hydraulic cylinder absorbs any impacts from the drawer, thereby ensuring a longer service life.

Screwed interchangeable strainer from WEIMA
Consistent grinding results thanks to a flexible interchangeable screen

Adjust the screen to suit your needs. The smaller the hole diameter, the finer the crushed material that is discharged. Screens can be easily swapped and are bolted in place as standard.

Hydraulics with optimum protection, integrated into the machine frame

Integrating the sensitive components of a hydraulic system into the machine frame offers many advantages. Not only is the system protected from dust, dirt and other external factors such as the weather, but it also makes the machine even more compact when installed. A separate service access panel ensures easy access for maintenance.

Discharge the material cleanly using suction, a screw conveyor or a conveyor belt

Depending on your requirements and the frame design (raised machine with a conveyor belt opening or side outlet), you have the option of discharging the shredded material via air extraction, a discharge screw or a conventional conveyor belt. With experience gained from many thousands of machines on the market, we are also experts in conveyor technology and can provide you with a turnkey solution from a single source.

Effectively absorb vibrations with sturdy rubber feet

Vibration-damping machine feet ensure stability and help to significantly reduce disruptive vibrations in the surrounding area. As the machine does not need to be anchored to the floor, installation is particularly flexible and convenient.

Powerful drive with WEIMA WAP gearbox

Instead of purchasing standard components, we have been manufacturing our tried-and-tested WAP gearboxes ourselves for many years at our German production facilities. This in-house development ensures maximum robustness even under the most demanding machine conditions. The electromechanical drive, which uses a V-belt and a powerful electric motor, is also optimally protected against impacts and contaminants thanks to a built-in vibration damper. This counteracts increased wear and extends the service life of a machine.

Durable rotor bearings thanks to the stepped design

Due to the extreme stresses it is subjected to during crushing operations, a rotor bearing must be built to be particularly robust. To prevent dust or foreign matter from entering the bearing, we have positioned it away from the machine frame. This also makes it very easy to maintain and readily accessible.

WL 4The tried-and-tested classic with a
600 mm rotor length
Screwed interchangeable strainer from WEIMA
Fred Haller, Sales Director at WEIMA
We’d be happy to advise you. Would you like to receive a quote or find out more about the WEIMA WL 4?

Compare our models

Measurements & Comparison
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  • Hopper opening length (mm)
  • Feed opening width (mm)
  • Rotor diameter (in/mm)
    More info
    depending on the flight
  • Rotor length (mm)
  • Rotor speed (rpm)
  • Power (hp)
  • Rotor Knives
    More info
    depending on the aircraft
  • Available knife sizes (mm)
  • Fraction size (mm)
  • Connection diameter (in/mm)
  • Infeed (mm)
  • Length (mm)
    More info
    in the standard version
  • Width (mm)
    More info
    in the standard version
  • Height (mm)
    More info
    in the standard version
  • Weight (approx. kg)
    More info
    in the standard version
WL 4
WL 4
  • -
  • -
  • 260
  • 600
  • 100
  • 11 - 18,5
  • 28
  • 40
  • 10 - 60
  • 160
  • 600 x 1.050
  • 2.045
  • 1.165
  • 1.640
  • 1.300
WL 4
  • -
  • -
  • 370
  • 1.000
  • 100
  • 30 - 45
  • 52
  • 40 | 60
  • 10 - 60
  • 200
  • 1.000 x 1.200
  • 2.440
  • 1.950
  • 1.730
  • 3.000
WL 4
  • -
  • -
  • 370
  • 1.500
  • 100
  • 37 - 75
  • 82
  • 40 | 60
  • 10 - 60
  • 250
  • 1.500 x 1.530
  • 3.130
  • 2.445
  • 1.730
  • 5.000
WL 4
  • -
  • -
  • 260
  • 800
  • 100
  • 18,5 - 22
  • 42
  • 40
  • 10 - 60
  • 200
  • 800 x 1.250
  • 2.390
  • 1.390
  • 1.840
  • 2.000
WL 4
  • -
  • -
  • 370
  • 800
  • 100
  • 30 - 37
  • 42
  • 40
  • 10 - 60
  • 200
  • 800 x 1.200
  • 2.520
  • 1.750
  • 1.730
  • 2.600
WL 4
  • -
  • -
  • 260
  • 600
  • 100
  • 15
  • 14
  • 40
  • 10 - 60
  • 160
  • 600 x 800
  • 1.805
  • 1.120
  • 1.640
  • 1.200
WL 4
  • -
  • -
  • 260
  • 1.000
  • 100
  • 22
  • 54
  • 40
  • 10 - 60
  • 200
  • 1.000 x 1.250
  • 2.390
  • 1.640
  • 1.840
  • 2.400
WL 4
  • 1050
  • 600
  • 260
  • 600
  • 90 - 110
  • 25
  • 28
  • 40
  • -
  • 160
  • -
  • 2045
  • 1163
  • 1640
  • 1400

Application videos of the WL 4 shredder

See the shredder in action at customer sites or during material tests.
Success story
Shredding wine barrels using the WEIMA WL 4 shredder at Holzmanufaktur Alsenz
At the Alsenz Wood Workshop, old wine barrels are given a new lease of life and transformed into unique, handcrafted pieces of furniture. The barrels are carefully dismantled and the staves painstakingly refurbished – though not all of them are suitable for this purpose. Rejected barrel staves and other wood scraps are shredded in a WEIMA WL 4 shredder. Furthermore, all woodworking machines are connected to a central extraction system. The fine dust collected in the process is compressed into compact briquettes using a WEIMA C 150 briquetting press. Both the wood chips produced during shredding and the briquettes are burned in the company’s own heating system – thereby supplying both the workshop and an adjacent residential building with heat.
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Success stories

What our customers think
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Paarhammer, Australia: Sustainable waste management in the woodworking industry

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Ideas made-to-measure — the rest goes into the WEIMA

For over 110 years the name Althoff has stood for creative work with wood. In the joinery in Bielefeld, wood…
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March 23, 2020

The dream team for wood disposal

CNC World, a British vendor of CNC machines, has recently started to process its wood waste mechanically in order to…
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November 27, 2017

‘We looked for the best’

Elbau Küchen AG is specialized in high-quality individual kitchens. Its 86 employees produce between 80 and 100 kitchens each week in…
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November 28, 2017

Hol’z dir! Sustainable briquette manufacture in the Augustinuswerk Jessen

It is very busy here. Every day 3,000 wood briquettes pass through the conveyor belts of the Augustinuswerk. Through…
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Plantage bei Nacht
November 28, 2017

Eco-friendly Caribbean Rum

Larry Warren, whose family assumed responsibility for the 400-acre plantation in 2006, not only produces the typical Caribbean rum. He…
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December 15, 2023

Shredding and burning of residual wood with BAFA subsidy

With a WEIMA WL 4 single-shaft shredder, a sophisticated screw system and a wood chips heating system, the German carpenter…
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Frame-making and upholstery artisans assemble wooden framed furniture in a production facility.
February 04, 2022

Comfortable Shredding

Calgan Recliners in Johannisburg are among the biggest manufacturers of upholstery furniture in South Africa. A WL 4 shreds their…
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November 28, 2017

Briquettes from garden furniture

The company has been manufacturing high-quality wooden garden furniture in Nantwich (United Kingdom) since 1926. Waste wood accumulating up to…
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