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N5 TECHNICAL PROPERTIES

N5 TECHNICAL PROPERTIES
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N5 TECHNICAL PROPERTIES

Product catalog summary
Overview of Nisula Harvester Heads
Nisula provides a variety of harvester heads tailored for different forestry operations such as thinning, delimbed energy wood processing, and light final felling. The H-models focus on high productivity, while the C-models, with grapple arms, enhance timber processing and sorting capabilities.
Special Features
  • Constructed with high-strength steel and special filler metals for enhanced durability.
  • Powder-coated components for increased wear resistance.
  • Design minimizes hose movement to reduce damage risk.
  • Saw casing design improves cutting accuracy and reduces saw chain costs.
  • Triangular support structure enhances delimbing accuracy and efficiency.
Nisula 325H - Light Harvester Head
  • Ideal for first thinning and delimbed energy wood processing.
  • Features one fixed and three moving delimbing knives.
  • Optional actuating cylinders for handling crooked stems.
  • Easy maintenance with accessible grease points.
  • Technical Data: Weight 285 kg, Single cut Ø 340 mm, Operating pressure 190 bar.
Nisula 425H - Thinning Harvester Head
  • Designed for thinning with additional knives for increased productivity.
  • New driver motors enhance feeding capacity by 20%.
  • Technical Data: Weight 410 kg, Clean delimbing Ø 320 mm, Operating pressure 210 bar.
Nisula 500H - General-Purpose Harvester Head
  • Suitable for thinning and final felling of small-stem stands.
  • Equipped with additional knives for processing large stems.
  • Control system adjusts grip force based on stem size.
  • Technical Data: Weight 640 kg, Clean delimbing Ø 430 mm, Operating pressure 210-230 bar.
Nisula 555H - Advanced Harvester Head
  • Features new hydraulics and efficient saw assembly for heavy flows.
  • Patented Goldfinger guillotine cut function enhances cost efficiency.
  • Technical Data: Weight 810-840 kg, Clean delimbing Ø 430 mm, Operating pressure 200-240 bar.
Nisula 425C - Multi-Purpose Harvester Head
  • Equipped with grapple arms for versatile timber processing.
  • Control system adjusts grip force for efficient felling and feeding.
  • Suitable for Combi-machine use without changing the head.
Nisula 425C, 500C, and 555C Models
The 425C is optimized for thinning, compatible with light harvesters and farm tractors, featuring stronger driver motors and machined front knives. The 500C is suitable for late thinning and final felling, with a control system for grip force adjustment. The 555C is a multi-purpose head with new hydraulics and a patented guillotine cut function, suitable for medium-heavy harvesters and heavy forwarders.
Control Systems
Nisula offers control systems like NCU3Lite, NCU3, NCU3i, and NCU3X, enhancing measurement and scaling functions for accurate and efficient operations.
Rotators and Swing Dampers
Nisula provides rotators and swing dampers for different crane sizes, ensuring accurate and controlled operations with models like JRPP and JRKPP offering long-lasting braking power and low operating costs.
Global Reach
Nisula harvester heads are globally recognized for their straightforward solutions and maintenance-friendly design, supported by a global network for sales, spare parts, and technical support.
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Catalog excerpts

N5 TECHNICAL PROPERTIES-1

HARVESTER HEADS I MULTI-PURPOSE HARVESTER HEADS ™Efuture of efficient logging

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N5 TECHNICAL PROPERTIES-3

NISULA HARVESTER HEADS AND MULTI-PURPOSE HARVESTER HEADS Tens of thousands of hours of work in practice – that’s how all Nisula products are created. The functionalities of the Nisula harvester heads make logging easy and efficient. The Nisula harvester heads are characterised by highquality manufacturing, materials and components. SPECIAL DETAILS OF THE NISULA HARVESTER HEADS • • • • • • • • The structures are straightforward and made of high-strength steel. Special filler metals designed for high-strength steel are used in welding. The shaft sleeves are made of tempered steel and the shafts...

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N5 TECHNICAL PROPERTIES-4

NUMBER ONE IN LIGHT HARVESTER HEADS Nisula 325H is a harvester head that is especially suitable for first thinning and delimbed energy wood processing. It is light and easy to use, making work fast and effortless. The head is equipped with one fixed and three moving delimbing knives. The spring-loaded blades of the basic model automatically follow the contours of the tree stem during delimbing. With normal stem forms, this is the easiest-to-use solution for the operator, as well. If the conditions require, the front knives can be equipped with cylinders. The cylinders allow the opening of the...

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N5 TECHNICAL PROPERTIES-5

USES • First thinning • Delimbed energy wood processing SUITABLE BASE MACHINES • Light harvesters • Farm tractors equipped with an adapter sleeve mounted crane • Light forwarders with head change facility • Lighter than 8-ton excavators

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N5 TECHNICAL PROPERTIES-6

IDEAL WEIGHT/EFFICIENCY RATIO FOR THINNING Nisula 425H is a thinning harvester head equipped with additional knives. The harvester head processes the stem in a controlled manner. A new type of head control improves the speed and accuracy of the process. New stronger driver motors increase the feeding capacity by 20% compared with the previous model. New machined front knives offer improved delimbing efficiency and durability The additional knives of the new Nisula 425H also increase productivity, something that harvester heads in the same weight category are not able to achieve. The additional...

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N5 TECHNICAL PROPERTIES-7

• Thinning • Delimbed energy wood processing SUITABLE BASE MACHINES • Light harvesters • Farm tractors equipped with an adapter sleeve mounted crane • Light forwarders with head change facility • Lighter than 12-ton excavators Number of delimbing knives 4+1 Opening of front knives, mm 430 Opening of additional knives, mm 580 Width in delimbing position, mm (open/closed) 1100/940 Height in delimbing position, mm 880 Height in felling position, mm 880 with length and diameter measurement function with volume measurement function with volume measurement function + priority scaling...

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N5 TECHNICAL PROPERTIES-8

NISULA 500HGENERAL-PURPOSE HARVESTER HEAD FOR THINNING AND FOR THE FINAL FELLING OF SMALL-STEM STANDS 500H is a powerful alternative for even late thinning and for final felling of small-stem stands. The physical dimensions are suitable for a thinning head, and, thanks to high-quality materials, the weight is also low, only 640 kg. 500H is equipped with additional knives that make the processing of large stems effortless. The additional knives also increase productivity, something that harvester heads in the same weight category are not able to achieve. The NCU3 control system adjusts the grip...

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N5 TECHNICAL PROPERTIES-9

• Thinning • Delimbed energy wood processing • Light final felling SUITABLE BASE MACHINES • Medium-heavy harvesters • 14-16 ton excavators Number of delimbing knives 5+1 Opening of front knives, mm 500 Opening of additional knives, mm 720 Width in delimbing position, mm (open/closed) 1200/980 Height in delimbing position, mm (open/closed) 1250/1050 Height in felling position, mm 1120 with length and diameter measurement function with volume measurement function with volume measurement function + priority scaling function with volume measurement function + value scaling function +...

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N5 TECHNICAL PROPERTIES-10

MORE POWER AND PROPERTIES FOR THINNING AND FOR THE FINAL FELLING OF SMALL-STEM STANDS The New-generation Nisula 555H harvester head offers unique properties for thinning and final felling of small-stem stands. The manufacturing quality and materials of this harvester head represent the standard that Nisula is known for. Considering its properties, 555H is exceptionally light, only 810840 kg, depending on the equipment. 555H offers numerous new details: entirely new hydraulics for heavy flows, efficient Nisula NSU saw assembly, bolt-mounted saw casing equipped with a blade lubrication tank, and...

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N5 TECHNICAL PROPERTIES-11

• Thinning • Delimbed energy wood processing • Light final felling SUITABLE BASE MACHINES • Medium-heavy harvesters • 14-18 ton excavators Number of delimbing knives 5+1 Opening of front knives, mm 500 Opening of feed rollers, mm 585 Opening of additional knives, mm 720 Width in delimbing position, mm (open/closed) 1350/1090 Height in felling position, mm 1350 Dasa Forester with length and diameter measurement function with volume measurement function with volume measurement function + priority scaling function with volume measurement function + value scaling function + data...

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N5 TECHNICAL PROPERTIES-12

NISULA 425CMORE PROPERTIES TO ENHANCE HARVESTING OPERATIONS Nisula 425C is a multi-purpose harvester head equipped with grapple arms that make the processing and sorting of timber effortless. The NCU3 control system adjusts the grip force to the size of the stem being processed, enabling a firm grip during felling, feeding and processing operations. In Combi-machine use, the separate grapple arms also allow loading without changing the head. When larger trees are felled and heavier stems processed, the grapple arms apply a strong grip force to the stem. When feeding starts, the grip force is...

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N5 TECHNICAL PROPERTIES-13

• Thinning • Delimbed energy wood processing • Combi-machine use SUITABLE BASE MACHINES • Light harvesters • Farm tractors equipped with an adapter sleeve mounted crane • Forwarders in combi-machine use • Lighter than 12-ton excavators Number of delimbing knives 2+1 Opening of front knives, mm 430 Opening of grapple arms, mm 920 Width in delimbing position, mm (open/closed) 1100/940 Height in delimbing position, mm 880 Height in felling position, mm 880 with length and diameter measurement function with volume measurement function with volume measurement function + priority scaling...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.