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Towed wood chipper R640
diesel enginehydraulic supply

Towed wood chipper - R640 - NEGRI Srl - diesel engine / hydraulic supply
Towed wood chipper - R640 - NEGRI Srl - diesel engine / hydraulic supply
Towed wood chipper - R640 - NEGRI Srl - diesel engine / hydraulic supply - image - 2
Towed wood chipper - R640 - NEGRI Srl - diesel engine / hydraulic supply - image - 3
Towed wood chipper - R640 - NEGRI Srl - diesel engine / hydraulic supply - image - 4
Towed wood chipper - R640 - NEGRI Srl - diesel engine / hydraulic supply - image - 5
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Characteristics

Type
towed
Engine type
diesel engine
Other characteristic
hydraulic supply

Description

Overview
Shreds small and large pruning material from green areas to reduce transport volume and produce uniform wood chips or feedstock for compost.

Main performance
  • Hourly capacity: 40 - 60 m³/h*
  • Throat opening: 640 x 200 mm
  • Maximum branch diameter: Ø 200 mm
  • Number of hammers: 60


Versions & Power
  • Road trailer — Fuel: Diesel. Engine example: Kohler KDI2504TCR — 75 hp / 55 kW. Available model variants: R640DLHP75OTRGN, R640DLHP75OTRON.
  • Tractor (towed by tractor) — Required power: ≥ 90 hp / 65 kW. Available model variant: R640TN.


Basic equipment
  • ROTOR | Hammers — Designed for shredding wood containing small stones/nails and soil (typical of bio-shredders).
  • High-quality tools — Mobile reversible hammers made of hardened steel.
  • Fixed removable refining screen — Ensures consistent small chip dimensions.
  • Hydraulic feeding roller with adjustable speed and rotation direction — Improves feeding of green waste.
  • Hydraulic steel feeding conveyor with adjustable speed and rotation direction — Facilitates input and enables high hourly output.
  • Hydraulic rubber discharge conveyor — Enables ejection of wet chips and helps prevent machine clogging.
  • Lubrication system for bearings — Simplifies and speeds up maintenance.
  • Nostress control — Automatic feed control for consistent throughput.
  • Radio remote control for start/stop of operating functions — Facilitates operator work and improves safety.


Additional information
Product video available.
Product brochure available (PDF).

Technical specifications
  • Model: R640
  • Hourly capacity: 40 - 60 m³/h*
  • Throat opening: 640 x 200 mm
  • Max cutting diameter: Ø 200 mm
  • Hammers: 60 (mobile reversible, hardened steel)
  • Road trailer engine example: Kohler KDI2504TCR — 75 hp / 55 kW
  • Tractor required power: ≥ 90 hp / 65 kW
  • Available variants: R640DLHP75OTRGN, R640DLHP75OTRON, R640TN
  • Feeding: Hydraulic roller and hydraulic steel conveyor with adjustable speed and rotation
  • Discharge: Hydraulic rubber conveyor belt
  • Refinement: Fixed removable refining screen
  • Maintenance: Lubrication system for bearings
  • Control: Nostress feed control and radio remote control
  • Note: Input material data depend on material type and working conditions

VIDEO

*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.