Friday, 03 March 2017 07:55

Gyrotedder covers ground quickly

Written by  Mark Daniel
Super sized gyrotedder. Super sized gyrotedder.

Kuhn has upgraded its range of high capacity tedders with a new chassis design and rotor lifting mechanism which allows higher ground clearance and improved contour following on undulating terrain.

The GF 13012 and GF 17012 Gyrotedders have the capacity to ted up to 15ha/hour, the former using 12 rotors across 13m operating width, and the latter using 16 rotors to cover 17.2m.

Improved headland clearance: the outer sections are supported and held in position by self-reeling tension straps that allow all the rotors to lift in one motion.

The set-up, something like the seatbelt layout in a car, is claimed to reduce stress on the main chassis and individual rotor sections, and keep the machine stable across its entire width on rough ground.

The supporting straps also act as safety guards, replacing traditional steel items, saving weight and eliminating breakages caused by vibration or metal fatigue. Rotors are raised hydraulically on the headland by a pair of transport wheels, to provide high clearance which offers the ability to cross windrows without dragging up heaps or clumps.

Terrain following is affected by the Kuhn Ground Save Control (GSC), where the rotor train is allowed to travel independently of the chassis, eliminating excessive ground contact, contamination and tine wear.

Rotor height is controlled by a single screw adjuster positioned next to the 3-point linkage.

Despite their huge operating widths, both machines fold compactly for transport, the GF13012 measuring 2.4m wide x 6.5m long x 2.68m high, and the GF17012 measuring 2.4m x 7.5m x 2.68m.

Weight is 2800 and 3400kg respectively; power requirement is 80-100hp.

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