made-in-finland

Biojack tree shears 4-in-1

Cutting is not enough

Delimb

Cut

Accumulate

Load

The newest tree shears and grapples for excavators

Fixed-knife Tree Shears with Unique Features

The new Mastergrapple series with the largest grapple opening, unparalleled for grappling stems by bunch and wood handling.

Extra sturdy for use on excavator, its frame and grapple made of Hardox, mistreated during the test phase to reach the best quality and reliability.

The knife it detachable in a minute, for switching to wood handling, or for demolition tasks after the harvesting season.

2 models: MG260 and MG320.

Why Mastergrapple?

It’s the new concept of excavator-grade grapples, aimed to be as multifunctional as possible, for the use in forest and other seasonal tasks. One grapple as master, several accessory modules, to cover a wide range of jobs.

Biojack-Cutting-Is-Not-Enough-white

Product categories

International fairs

Where you can meet us?

August 21-23, 2026 | Stjørdal, Norway | Silva System AS
September 3-5, 2026 | Jämsä, Finland | Stand 107 & 108 | Lantmännen Agro
September 11-13, 2026 | Seljord, Norway | Stand i909 | Silva System AS
October 6-8, 2026 | Poznań, Poland | Kompania Leśna 
October 15-18, 2026 | München, Germany | Unterreiner Forstgeräte GmbH

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Thank you for contacting

We usually reply within 1 work day.

The factory is closed during the summer holidays, from July 4th to August 2nd, 2026.

During this period, there cannot be any shipment, and it will take a little longer to reply messages.

Have a good summer!

NEW
Warranty Extension

From 2025, we offer 2 extra years of warranty on the grapple structure, on all the specified grapples, which have proven their durability since 2008.

Manufacturer warranty 1 year

+ Structure warranty 2 extra years