Felling Grapple Biojack 400S for Cranes

Saw grapple




The felling grapple Biojack 400S with a chainsaw is perfect in forest thinning and energy wood harvesting, as well as for wood loading and sorting. Its compact structure allows it to be used in urban felling, for cutting branches and cutting trees in complete safety.

Sahakoura - Biojack 400s Tilt

The cut is assured by the chainsaw. After the cut, the saw bar is into the grapple’s chassis, allowing the wood handling. 

Thanks to the tilt, the grapple can be used for felling and for loading logs. 

Three hydraulic lines are required (pressure and return). The chainsaw is activated with an electric command in cabin, which require an electric cable or wireless control for limitless rotation. 

  • for primary thinning and harvesting of energy wood, tree removal in urban areas
  • unlimited rotation
  • excellent loading properties
  • pressure and return hose, leakage oil line, electric wire or wireless control for the saw
  • flexible work cycle
  • saw chain lubrication with dedicated lub oil tank
  • 2 hydraulic lines (pressure and return), 1 electric cable or wireless control
  • base machine: forwarders, tractors, trucks

Technical data

315 kg (695 lbs)
Cutting diameter max. 
400 mm (16″)
Grapple opening
850 mm (33″)
Total height in the felling position
600 mm (24″)
Oil flow (saw motor 5 cc or 10 cc)
60-70 L/min or 80-100 L/min (16-18 or 21-26 gpm)
Operating pressure range (total pressure – back pressure)
200–250 bar
(2900-3625 psi)
Back pressure, max.
20-30 bar
(290-435 psi)
Pressure and return lines, min.
Leakage oil line (drain)
Wireless control
12 V or 24 V

Available with the following features and accessories

Normaalit kourat
Normal grapples
The grapple pair designed for round wood handling
The accumulation grapples (E-kit) can be used to gather several stems at a time, without having to load them, or move them onto a stack in between
Langaton ohjaus
Wireless control
No electric wire, easy 360° rotation! Radio control from the cabin.
Ripustusholkki laippaan
Rotator adapter for flange
The tree shears are always delivered with the correct adapter, so the rotator fastening is quick and easy
Rotator adapter 140 mm
The tree shears are always delivered with the correct adapter, so the rotator fastening is quick and easy

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