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Strong structure, highest quality components and powerful processing are a necessity in hard working conditions. Suitable for tracked machines as well as large wheeled harvesters, PONSSE H7 HD offers heavy-duty reliability and performance for rough demands.

PONSSE H7 HD is a heavy-duty harvester head for felling and processing. It can be fitted into tracked carriers and large rubber-wheeled harvesters. It has the same well-known features that make PONSSE H7 popular around the world, but in an even more robust package. The frame is built stronger in the saw box and tilt pin area, and the tilt frame is reinforced to withstand heavy use in tracked machines. Fast and strong feeding and sawing, versatile but easy settings and compact, reliable structure ensure a long and productive lifetime for the head even in the most demanding conditions.

Excellent feeding power and fuel economy are achieved with three feed roller lay-out and easy pressure settings thru Opti control system. The lower feed rollers support the tree from underneath giving good traction while the upper roller location lowers the friction between the harvester head and the tree. Optimal tilt pivot geometry minimize the upwards torque of the head, giving smoother feeding and better grip of the tree.

PONSSE Opti control system is designed specifically for PONSSE harvester heads. All adjustments and settings work perfectly together with the head, offering easy but versatile functions to perfectly fit the base machine and work requirements. PONSSE systems offer mobile follow-up of production and working with either manual or automatic data transfer.

Technické detaily

Weight from (depending on the equipment)
from 1,200 kg (2,646 lbs) excl. rotator
1,500 mm (59 in)
1,540 mm (61 in)
Height without rotator
1,680 mm (66 in)
Feed system
3 rollers
Feed force
30 kN (6,744 lbf)
Feeding speed
5 m/s (16.4 ft/s)
Maximum opening
650 mm (25.6 in)
Number of knives
Maximum opening of front knives
640 mm (25.2 in)
Maximum opening of rear knives
750 mm (30 in)
Delimbing knives and feed rollers are separately controlled
Operating pressure
28 MPa (4,061 psi)
Carrier weight (min)
20-25 tons
Measuring device
PONSSE Opti control system