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PONSSE H8

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Base machines: PONSSE Bear, PONSSE Ergo and track-based machines over 20 tons

The PONSSE H8 is a supremely robust and powerful harvester head for demanding work on large tree stands. It has superior performance relative to its size; a powerful feed and excellent geometry capable of supporting even large trunks ensure extremely high rates of productivity.

Accurate automatic control ensures good cutting precision and the wood is always fed at maximum speed to the right length. The controlled feed acceleration and deceleration also reduce feed damage and pressure peaks, and increase the machine’s efficiency. The grip pressure of the delimbing knives and feed rollers adjusts freely according to the trunk’s size, and the feed rollers support the wood from below. This ensures minimal friction and a solid grip on the wood during feeding.

The sawing performance of the PONSSE H8 harvester head is outstanding. The easy-to-use automatic features control the saw motion according to the tree diameter, and guarantee fast cutting. While the features increase sawing efficiency, they also increase the service life of the saw blade and the chain. The strong and smooth tilt motion speeds up work while reducing the stress placed on the harvester head.

The PONSSE H8 harvester head is also suited for multistemming. The geometry of the rollers and delimbing knives is ample enough to allow for the collection and bucking of larger trunks as well.

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Technical details - PONSSE H8

Dimensions
Weight from (depending on the equipment)
from 1,250 kg (2,756 lbs) / H8 top saw from 1,450 kg (3,197 lbs)
Length
1,500 mm (59 in) / H8 top saw 1,730 mm (67 in)
Width
1,650 mm (65 in)
Height without rotator
1,680 mm (66 in) / H8 top saw 1,760 mm (69 in)
Feed roller
Feed system
3 rollers
Feed force
36 kN (8,093 lbf)
Feeding speed
5 m/s (16.4 ft/s)
Maximum opening
740 mm (29.2 in)
Declimbing unit
Number of knives
4+1+1
Maximum opening of front knives
740 mm (29.2 in)
Maximum opening of rear knives
780 mm (31 in)
Delimbing knives and feed rollers are separately controlled
Yes
Tracked carrier
Operating pressure
28-31 MPa
Carrier weight (min)
20-30 tons
Measuring and control automatics
Measuring device
PONSSE Opti control system
Equipment
Equipment

Plenty of optional equipment is available in addition to the comprehensive PONSSE H8 standard equipment. Consult your nearest Ponsse Service Center or dealer for more information on the standard and optional equipment.