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STALPEN Mechanical Tree Jack

Can I cut down a tree that is going to fall in a dangerous or difficult direction?

STALPEN is a rack-and-pinion based mechanical jack intended for use as a mechanical aid in tree felling. STALPEN can be used to support trees or other objects that need to be stabilized or felled in the right direction.

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STALPEN Mechanical Tree Jack

STALPEN is a rack-and-pinion based mechanical jack intended for use as a mechanical aid in tree felling. STALPEN can be used to support trees or other objects that need to be stabilized or felled in the right direction. STALPEN has a safety crank consisting of lamellae with friction members. A ratchettype freewheeling clutch prevents the crank from backlashing and makes it possible to turn in both directions without the need to touch the ratchet that holds the clutch.


STALPEN may NOT be used to replace a winch or other specialized device used for complex, risky jobs. It is always important to use your judgement and professional experience when choosing felling methods.

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Gränsfors Smide i Gnarp AB, Östra Stationsvägen 45, S-820 77 Gnarp, Sweden, Phone +46 652 203 80, fax +46 652 203 33