WL 4

The proven classic with
600 mm rotor length

The WL 4 single-shaft shredder has proven themself to be the classic shredder for wood waste of all kinds, and can be found in thousands of woodworking shops all over the world. The global popularity of this shredder series assures high reliability at a competitive price to performance ratio. These machines set themselves apart from other machines of their size and type due to their robust construction, giving them a longer life cycle.


Intuitive operation thanks to Siemens PLC control with touch display

To ensure that the electronics are optimally matched to the machine, we design, build and wire our control cabinets ourselves. We only use high-quality components - for example from Siemens or Rittal. Intuitive touch interfaces guarantee quick adjustments. Functions such as setting the ram cycle or stop ensure a high throughput. The built-in overload protection also prevents defects in the machine.


Precise cut with high throughput with profiled V rotor

The V rotor, specially developed by WEIMA, can be used universally and is made of solid material. Its aggressive material feed with up to two rows of knives guarantees high throughput with low power requirements. It can be equipped with hardened steel cutting knives in edge lengths of 30 mm and 40 mm. These can be turned over several times in case of wear, which drastically reduces maintenance costs.


Chopping and heating

The Sucker Holzbau GbR produces a lot of wood waste. With the help of a WL 6 shredder and a wood chip stove, this is used to heat the workshops and offices as well as three single-family houses.


No material bridges due to free-cutting hopper design

The hopper fulfills several tasks at once. First, the material to be shredded is fed through it – manually, mechanically, or by conveyor belt. The generous opening makes it easy to fill even very large parts. A decisive factor for shredding, however, is its special design, which is rounded at the front and thus effectively prevents material bridging. Even with bulky parts, the shredder cuts itself free. If required, hopper extensions and lids with gas pressure springs are available.


Durable rotor bearings thanks to offset design

A rotor bearing must be robustly designed due to the extreme stresses it is subjected to while it’s in operation. To prevent dust or foreign matter from getting inside it, we have set it apart from the machine frame. This also makes it very maintenance-friendly and easy to access.

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WL 4 shreds wood waste at the Kreutner carpentry


Safe material feed with load-controlled ram

The ram, which moves horizontally back and forth via hydraulics, feeds the material to the rotor. With WEIMA, it can be controlled or cycled automatically depending on the load. If required, of course, it can also be controlled manually. For even more aggressive feeding, we recommend additional serrated plates and hold-down device, which also hold bulky and long parts securely in place. A shock valve located on the hydraulic cylinder absorbs any shocks to the drawer, thus ensuring a longer service life.


Homogeneous shredding results thanks to flexible, interchangeable screen

Adapt the screen to your needs. The smaller the hole diameter, the finer the shredded material that is discharged. Screens can be exchanged flexibly and are bolted as standard.


Optimally protected hydraulics installed in the machine frame
Integrating the sensitive components of a hydraulic system into the machine frame has many advantages. Not only is it protected from dust, dirt and other external influences such as the weather, but it also makes the machine even more compact in its installation. A separate service opening provides easy access for maintenance.


Clean discharge of material by suction, screw or conveyor belt
Depending on your needs and frame design (elevated machine with conveyor belt cutout or side spout), you have the option of discharging shredded material either by air suction, discharge screw or classic conveyor belt. With experience from many thousands of machines on the market, we are also experts in conveyor technology and can supply you with a turnkey solution from a single source.


WL 4 with hopper extension shreds wood waste at the Ulrich Althoff GmbH


Efficiently absorb vibrations with stable rubber feet

Vibration-damping machine feet ensure a secure footing and help to significantly reduce disruptive vibrations in the surrounding area. Since the machine does not have to be anchored to the ground first, installation is particularly flexible and convenient.


Powerful drive with WEIMA WAP gearboxes

Instead of purchasing standard components, we have been manufacturing our proven WAP gearboxes ourselves in our German production facilities for many years. The in-house development ensures maximum robustness with the highest machine requirements. The electromechanical drive via V-belt and powerful electric motor is also optimally protected against shocks and interference thanks to the built-in vibration damper. This counteracts increased wear and extends the service life of a machine.


WEIMA WL 4 shreds plastic lumps, pipes and scrap


4 MB
WL 4 brochure
Information about the WL 4 single-shaft shredder from WEIMA
10 MB
Single-shaft shredder catalog
Information about single-shaft shredder from WEIMA
11 MB
Special machines catalog
Information about granulators, multi-shaft and horizontal-shredders from WEIMA

Technical data

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Success stories

What our customers think
Three people are standing and speaking with each other in a warehouse next to an orange WEIMA shredder.

Efficiency and Sustainability: Boyd Manufacturing’s Success with Quis Machinery

Boyd Manufacturing, a furniture manufacturer for the hospitality market, utilizes a WEIMA shredder and other auxiliary machinery to manage wood scrap and increase efficiency and profitability.

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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 further…

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Briquettes from garden furniture

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Befüllung WL 4 Einwellen-Shredder

Wood shredding making company more profitable

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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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WEIMA WL 4 wood shredder

Paarhammer, Australia: Sustainable waste management in the woodworking industry

The Australian woodworking company Paarhammer uses a WEIMA WL 4 single-shaft shredder and TH 814 briquette press to recycle their wood waste on-site and create extra revenue.

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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 waste accumulates during all stages of production. With the use of a WEIMA WL 4 shredder, this can be ideally processed to heat the premises.

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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 heat the workshop in a resource-saving manner.

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‘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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employee fedding the weima wood chipper manually with wood waste

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 Bernd Kreutner uses the own waste wood such as roof battens, offcuts and pallets sustainably to heat the shop buildings.

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Furniture makers at Calgan Recliners

Comfortable shredding

Calgan Recliners in Johannisburg are among the biggest manufacturers of upholstery furniture in South Africa. A WL 4 shreds their wood waste.

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