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Suitable for small and medium-sized farms, these PZ mowers build on a legacy that goes back over 50 years to the introduction of the world’s first drum mowers. They have been refined through the years without changing what made them great.
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Round drums do not transport well, that is why KUHN uses drums with two flat sides for optimal crop transport without the risk of blockages. Movement of the crop has an impact on the mowing quality. It is for this reason that KUHN has chosen to use screw-on transport strips.
The cutting height can be adjusted by adding or removing the optional spacers. This can be easily reached and infinitely adjusted.
Using the special tool, you can push the knife holder down and simply replace the knifes. It is a quick and secure system.
The proven design with its uneven sized diameter knife plates has great benefits for the front mower: a clean swath formation, less crop contamination, perfect ground following and high throughput with a low PTO power requirement.
The arrangement of the drums has the added advantage that it is fuel-saving. Swath discs are available as an option.
Compensation springs are fitted as standard to transfer the weight from the mower unit to the tractor in order to keep ground pressure as low as possible.
On hitting an obstacle, the mower unit pivots backwards, thus absorbing the impact. Reversing the tractor re-engages the safety system, and the mower unit is set back into the work position.
The PZ 170, 190 and 220 can be hitched easily to every tractor with Cat. 1 or 2 linkage pins. KUHN can provide a special adapter to fit wider tractors.
Without leaving the tractor seat, the PZ mower units can easily be folded into the transport position behind the tractor. An optional hydraulic folding cylinder is available for improved weight distribution during transport.
| PZ 170 | PZ 190 | PZ 220 | |
|---|---|---|---|
| Working width (m) | 1.65 | 1.85 | 2.10 |
| 3-point linkage | cat 1-2 | cat 1-2 | cat 2 |
| Adjustable lower link pins | fixed (adapter optional) | fixed (adapter optional) | fixed |
| PTO speed (min-1) | 540 | 540 | 540 |
| Minimum PTO power requirement kW(hp) | 20(27) | 25(34) | 30(41) |
| Transport position | mechanical folding horizontally to the rear | mechanical folding horizontally to the rear | mechanical folding horizontally to the rear (from the tractor seat) |
| Headland position | 3-point hydraulic | 3-point hydraulic | 3-point hydraulic |
| Vertical folding | lateral and rearward hydraulically: optional | lateral and rearward hydraulically: optional | lateral and rearward hydraulically: optional |
| Suspension | side | side | side |
| Ground pressure compensation | 1 spring | 1 spring | 1 spring |
| Safety breakaway system | mechanically spring loaded | mechanically spring loaded | mechanically spring loaded |
| Primary drive | PTO drive shaft with free wheel clutch | PTO drive shaft with free wheel clutch | PTO drive shaft with free wheel clutch |
| Secondary drive | V-belts | V-belts | V-belts |
| Number of drums | 2 | 2 | 2 |
| Number of blades | 6 | 6 | 8 |
| Cutting height adjustment | spacers | spacers | spacers |
| Cutting height range (mm) | 4 x 3 (optional) | 1 x 8 (as standard) - 2 x 8 (optional) | 1 x 8 (as standard) - 2 x 8 (optional) |
| Average swath width ca. (m) | 0.70 | 0.80 | 0.90 |
| Weight min - max (kg) | 335-385 | 415-465 | 500-550 |
