The Tigercat 6440 is a high horsepower drum chipper. Designed for high production and high uptime, the 6440 employs a through-drive and belt system to turn the rotor, eliminating the need for clutches.
The new Tigercat 6440 is a heavy-duty drum chipper designed for high production and ease of operation. The high horsepower engine uses a through-drive and belt system where the rotor drive belt is driven off the motor using a flex drive coupling and drive adapter. The engine base extends and retracts to engage or disengage the drive belts, eliminating the need for a clutch.
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That’s a remarkable amount of work hours for a single machine, the Norcar 600 owned by Erkki Rinne is taken well care of, it even has the original Diesel engine.
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Kieran Anders is a forestry contractor working in the lake district. His work involves hand cutting and extracting timber using a skidder and tractor-trailer forwarder.
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It is not possible to eliminate chain shot, but there are simple steps that can be taken to reduce the risk.
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Arwel takes great pride in the fact that the mill has no waste whatsoever, “the peelings are used for children’s playgrounds, gardens and for farm animals in barns in the winter and the sawdust has multiple uses in gardens and farms as well.
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Timber hauliers need to encourage young blood in, and also look after the hauliers we have, we need make the sector a safe and positive place to work.
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The discharge chute is on a low 25° angle to allow for high volume output without the need for a chip accelerator. An optional chip accelerator is available for microchip applications. The discharge end chute pivots side to side, and up and down. Discharge end outrigger cylinders provide 620 mm (24.5 in) of stroke to adjust the height. Infeed outriggers provide 355 mm (14 in) of stroke to stabilize the machine.
The standard chip rotor consists of eight staggered knives, and the optional microchip rotor has sixteen knives. Chip pockets are lined with replaceable wear plates. An easily accessible platform and large pivoting rotor hood provide for a comfortable work area when changing knives. A large storage box located nearby holds tools and replacement knives.
The front belt cover may be removed in three separate pieces. The side access door on the middle cover allows for belt inspection and tensioning. A sonic belt tensioner is supplied with the 6440.
Access doors located at the bottom feed roll, infeed head pulley, side doors, and top slide plate allow for effective debris clearing. Platforms and steps are located around the machine at maintenance and service point areas to access engine air filters, hydraulic oil filters, and the fuel fill. A centralized service area in the centre of the machine provides access to hydraulics, electrical components, and engine filters.
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Written by loggers for loggers and dedicated solely to the equipment used in forestry operations.