Naarva S25 telescopic harvester head
Harvester Heads
NAARVA S25 TELESCOPIC HARVESTER HEADS
Tractor and Excavator 5 - 9 Tn
Patented guillotine with a cutting diameter of 25 cm. The sash is durable and easy to maintain, even in difficult conditions.
Low stumps do not damage tractor tires and no valuable wood is left in the forest. Maintenance of the harvester head mainly consists of greasing the joints.
REASONABLY PRICE HARVESTER HEAD FOR TRACTOR CRANE
Naarva harvester heads are reliable and efficient for initial thinning. They have been specially designed for cranes used on agricultural tractors and small excavators. The lightweight Naarva S25 model is a traditional harvester head. Naarva S25 operates with an oil flow of 40 l/min, and no additional hydraulics are required when installing on a tractor or excavator.
DURABLE AND EASY TO MAINTAIN GUILLOTINE SOLUTION
Cutting is done using a patented 25 cm diameter guillotine, which is durable and easy to maintain, even in difficult conditions. The retaining arms wrap around the wood when cutting and the 8mm wear steel blade penetrates completely into the wood.
The cutting surface is smooth and even, because the cut is always made against the holding arms. The guillotine blade slides along the sliding bar and puts no pressure on the other structures of the harvester head, regardless of the thickness of the trees being cut. The blade is not easily damaged and does not lose sharpness quickly. This way, the tree can be cut down to ground level. This means that low stumps do not damage the tractor tires and no valuable wood is left in the forest.
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TECHNICAL INFORMATION
Model | S25 |
Weight | 300kg |
Branching Diameter | 5-25cm |
Feed speed | 0.5 - 0.7 m/s |
Grapple opening | 90cm |
Power supply | 10kN - 21kN |
Cutting diameter*, force, speed of the guillotine** | Ø25 cm 108 kN 1.7 s |
Pressure | 170 - 200 bar |
Hydraulic flow | 40 - 70 l/min. |
crane capacity | 40 kNm, min. 30kNm |
Guarantee | 12 months or 1000 hours |
Control | 4 buttons |
Tension | 12V/24V |
The maximum cutting diameter is approximately 30% lower for hardwood (such as oak beech). * 55 l/min hydraulic flow, 180 bar pressure All provided values are approximations. The manufacturer reserves the right to make changes in the products.
