Log splitter Jansen FS-20Speed with gasoline engine, 20 t, kinetic, horizontal

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Evaluations (1): m

Kraftvoller und superschneller Holzspalter 16 Sep 2017

Der FS 20 Speed hat meine Erwartungen zur vollsten Zufriedenheit erfüllt.
Ich habe den Holzspalter zuerst bei Jansen vor Ort getestet und dann persönlich abgeholt. Im April habe ich damit über 10 RM Eiche gespalten. Die Stämme hatten einen Durchmesser von bis zu 50 cm. Dabei waren auch knorrige und verzeigte Stücke und der Spalter hat sie alle gespalten. Nur zwei bis drei Mal musste ich dabei einen zweiten Spaltvorgang auslösen.
Der Zeitaufwand beim Spalten hat sich gegenüber meinem herkömmlichen Hydraulikspalter, den ich inzwischen verkauft habe, auf ein Minumum reduziert.

Log splitter Jansen FS-20Speed with gasoline engine, 20 t, kinetic, horizontal
With its patented design, the Jansen FS-20Speed flywheel wood splitter constitutes a revolution in wood splitting.

It would be virtually impossible to split a large quantity of firewood more quickly than with our wood splitter. The FS-20Speed exploits the principle of kinetic energy, i.e. the momentum from a heavy flywheel. The splitter generates kinetic energy of 20 tonnes - sufficient to split every piece of wood grown in European forests.

In principle, this type of wood splitter is not a new invention, it has been available since the 1960s, especially in the US.

However, the drive unit of our splitter has been refined. Thanks to a patented combined technology involving a special coupling system in conjunction with a centrifugal clutch there is virtually no load placed on the drive pinions and gear rack.

Compare this with the solutions provided by the competition where in many cases a rapidly rotating drive pinion is engaged from above or below into a gear rack at standstill – obviously this type of system will not last for very long...

This is certainly not the case with our system. Our patented technology means that the drive pinion and gear rack are permanently engaged. This ensures extremely long service life and great user friendliness. Our equipment also avoids the customary “hard blow” to the palms when engaging the drive pinion in the gear rack.

The following drawing will make things clearer.

Our kinetic splitter is the most powerful, smoothest engagement, safest and most reliable because:
  • Clutch & gearing allow constant rack engagement lasting longer than competitive products
  • Smoother engagement action vs. dropping rack on moving pinion
  • No kickback from rack disengaging
  • Economic design
  • Clutch allows for safe rack speed and maximum power

The Jansen FS-20Speed is supplied with a top quality 4-stroke OHV engine from Briggs & Stratton.

Compare our machines with competing products! You won’t find anything comparable. We didn’t only develop these devices ourselves, but also offer excellent service (master technicians workshop) and spare parts. We have almost every part in stock. In the event of questions or problems we are only a phone call away. With us you speak with knowledgeable staff and not with “call-centre agents”!

We have all of our products assembled and ready for operation in our exhibition halls. We would love for you to come by to test them!

  • 4-stroke OHV engine, 3.5 PS, Briggs & Stratton
  • Fuel: regular Petrol
  • Starter: recoil pull starter
  • Weight: approx. 155 kg
  • Weight including packing: 189 kg
  • Max. splitting length: 52 cm
  • Splitting slider velocity: approx. 3 sec.
  • Splitting pressure: 20 tonnes (kinetic energy)
  • Splitting wedge, length: 16 cm
  • Dimensions 227x89x103 cm (LxWxH)
  • Dimensions, packaged: 167x57x75 cm (LxWxH)
  • Quantity of engine oil: 0.7 l (10W40 or 15W40)


The equipment is supplied dismantled and delivered well packaged in a wooden crate. You should allow around 2 hours for assembling prior to putting into operation for the first time. The delivery includes an instruction manual and several detailed diagrams. Assembly should not cause any problems. If you do need assistance, we will be pleased to help. When putting into operation for the first time, you will need approx. 1 litre of engine oil for the engine. We recommend a 10W40 or 15W40 multigrade oil.

Internal item#: 1028584278

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