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Available in five working widths (5.20 m to 7.80 m) these machines are ideal for medium scale operations – reliable and compact tedders for total safety on the road.
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These tedders are folded up into transport mode hydraulically to a width of less than 3.00 m (2.55 for the GF 5902).
With standard equipment including signalling and lighting panels, these tedders are ready for safe transport.
The machine is barely wider than the tractor and driving comfort is high, especially when access to the narrowest fields.The transport height remains reasonably low at less than 3.02m.
Although wide when working, GF 7802 and GF 7902 models fold their 6 and 8 rotors to a size compact enough to facilitate road travel and access to narrow fields (less than 3 m in width and 3.36 m and 2.95 m in height respectively).
The exclusive and patented stabilising system that equips these tedders is the combination of powerful springs and hydraulic suspension. Unrivalled suspension and driving comfort are particularly appreciated when travelling at higher speeds. The rotors remain stable and well aligned behind the tractor even when braking suddenly during turns:
When a KUHN engineer invented this drive concept, tedding entered a new era.
From that moment on, it became possible to drive a very large number of rotors and fold them to an incredibly compact size, and all this without any maintenance. A real revolution!
Since the launch of the DIGIDRIVE finger drive system twenty years ago, more than a million rotors have been working all around the world, tedding forage with exceptional reliability. The DIGIDRIVE system is made of case-hardened steel and requires no maintenance
Guidance is by large-diameter, double-row angular ball bearings (1). Thoroughly sealed to prevent lubricant leakage and impurities getting in (2). Robust mounting on the rectangular frame with spacers and long through-bolts (3). With these rotor housings, greasing points are limited to a relatively few pivot points, allowing you to spend more time in the field and less doing maintenance!
For neat and tidy tedding along fences and neighboring fields, machines are equipped with an oblique mechanical control system (hydraulic as an option). Oblique mode also particularly useful on slopes to control flow trajectory and create optimum spread.
Operating in young sugar-rich crops or long late-season crops can be a challenge. Forage can get wrapped around the wheel columns resulting in downtime spent cleaning it off. Benefit from crop deflectors, for models from GF 5902, that prevent forage getting wrapped around the wheel columns.
Equipped with five or six rotors and seven tine arms, GF 5202 and GF 7802 tedders are the ideal tools for spreading large swaths.
The large diameter rotors are specially designed to handle long and dense forage.
These machines also provide and excellent working width/cost ratio.
Experts are convinced and those who use them swear by them. For farmers whose goal is to harvest a first class crop there are so many advantages to having small rotors:
Asymmetrical tine length with longer outer fingers produces high quality tedding. The outer finger moves into the forage earlier compared to a symmetrical design. This ensures a more complete tedding operation, even on field borders and between rotors (C) (E), due to better tine overlap in this tricky area. Moving into the forage earlier means that the actual working width of each rotor (therefore the machine) is larger.
| GF 5202 | GF 5902 | GF 6502 | GF 7802 | GF 7902 | |
|---|---|---|---|---|---|
| Working width DIN (m) | 5.20 | 5.90 | 6.50 | 7.80 | 7.80 |
| Overall width in working position (m) | 5.85 | 6.19 | 6.96 | 8.37 | 8.09 |
| Number of rotors | 4 | 6 | 6 | 6 | 8 |
| Number of tine arms per rotor | 7 | 5 | 6 | 7 | 5 |
| Transport width (m) | 2.99 | 2.53 | 2.99 | 2.99 | 2.99 |
| Transport height (m) | 2.80 | 3.02 | 3.29 | 3.36 | 2.95 |
| Oblique wheel position setting | As standard - by centralised manual positioning | As standard - by centralised manual positioning | As standard - by centralised manual positioning | As standard - by centralised manual positioning | As standard - by centralised manual positioning |
| Raising the rotors on headlands - HLC function | - | - | - | - | - |
| Wheel deflectors | As optional equipment | As standard | As standard | As standard | As standard |
| Tine guards | As standard | As standard | As standard | As standard | As standard |
| Pitch angle adjustment - without tool | 3 positions | 2 positions | 2 positions | 3 positions | 2 positions |
| Rotor drive | By exclusive DIGIDRIVE multiple finger couplings | By exclusive DIGIDRIVE multiple finger couplings | By exclusive DIGIDRIVE multiple finger couplings | By exclusive DIGIDRIVE multiple finger couplings | By exclusive DIGIDRIVE multiple finger couplings |
| Free wheel integrated in the central gearbox | - | - | As standard | As standard | As standard |
| Tyres on central rotors | 16 x 6.50 - 8 | 16 x 6.50 - 8 | 16 x 6.50 - 8 | 16 x 6.50 - 8 | 16 x 9.50 - 8 |
| Tyres on outside rotors | 16 x 6.50 - 8 | 16 x 6.50 - 8 | 16 x 6.50 - 8 | 16 x 6.50 - 8 | 16 x 6.50 - 8 |
| Setting into transport position | Hydraulic vertical folding | Hydraulic vertical folding | Hydraulic vertical folding | Hydraulic vertical folding | Hydraulic vertical folding |
| Hitch | 3 point cat 2 | 3 point cat 2 | 3 point cat 2 | 3 point cat 2 | 3 point cat 2 |
| Headstock | Pivoting | Pivoting | Pivoting | Pivoting | Pivoting |
| Headstock stabilisers | Mechanical stabiliser with brake | Mechanical stabiliser with brake | Mechanical stabiliser with brake | By 2 large shock absorbers and integrated suspension springs | By 2 large shock absorbers and integrated suspension springs |
| Required tractor hydraulic connections | 1 DA | 1 DA | 1 SA | 1 DA | 1 DA |
| Theoretical tractor power requirement (kW/hp) | 17/23 | 20/27 | 22/30 | 30/40 | 30/40 |
| Road lights and signalling | As standard | As standard | As standard | As standard | As standard |
| Approx. weight (kg) | 660 | 810 | 920 | 1085 | 1150 |
