Fendt 800 Vario – VarioGrip
Tyre pressure control made easy – with VarioGrip
10% more pulling power
8% more worked area
8% less diesel
Further benefits:
Controlled via the terminal
Fully integrated in overall vehicle design concept
Saves up to 10 €/hr*
* South Westphalia University of Applied Sciences, Agriculture Soest
[jw7-video n=”1″]
VarioGrip for the right pressure in the tyre
VarioGrip is the integrated Fendt tyre pressure regulation system. The inner tyre pressure can be adjusted as desired for field or road work from 0.6 to 2.5 bar using the Varioterminal. The tyre pressure regulation system VarioGrip adjusts tyre pressure fully automatically within a short amount of time, even while driving at maximum speed. VarioGrip not only saves fuel, but also increases pulling power and therefore the area coverage as well. Furthermore, a lower air pressure protects the soil.
Up to 8 percent lower diesel consumption in the field
With VarioGrip, the optimal inner tyre pressure for field work or on-road driving can be adjusted in a matter of minutes using the Varioterminal. In this way, at 0.8 bar (instead of the usual 1.8 bar), diesel consumption during field work can be reduced by 8 percent per hectare.**
** 1.8 bar is usually used as a compromise for air pressure on the road and in the field when operating without air pressure regulation
Up to 2 percent lower diesel consumption on the road
Even when driving on the road with 2.4 bar (instead of 1.8 bar) with a full trailer, consumption can be reduced by two percent.**
** 1.8 bar is usually used as a compromise for air pressure on the road and in the field when operating without air pressure regulation
Up to 8 percent more area coverage in the same amount of time
The right inner tyre pressure delivers more force to the ground and therefore more pulling power. Adjusted inner tyre pressure effectively reduces slip and rolling resistance. And that has a positive effect on area coverage. If the high inner tyre pressure is reduced during heavy-duty cultivating work, the tyre’s ground contact automatically increases. This reduces slip and increases efficiency, which means up to eight percent more area is covered in the same amount of time.
At 500 hours of heavy-duty draft work per year, this means up to 40 hours less working time. Calculated per operating hour, this results in a higher area coverage and at the same time reduces diesel consumption for savings of up to 10 €/hr*. Assuming the tractor is used for heavy-duty draft work half of the time, this amounts to a 50,000 € savings potential in 10,000 operating hours.**
* South Westphalia University of Applied Sciences, Agriculture Soest
** Based on 10,000 hrs, 50% draft work, 5,000 hrs x 10 €
** 1.8 bar is usually used as a compromise for air pressure on the road and in the field when operating without air pressure regulation
Up to 3 percent faster on the road with the same engine power
A higher tyre pressure on the road reduces rolling resistance and improves driving safety. You profit from low fuel consumption and safe driving. Low tyre wear increases the lifetime of your tyres, even at high speeds. You also shorten transport time, while using the same amount of engine power.
Up to 50,000 € saved through Fendt VarioGrip
Up to 3% faster
An inner tyre pressure of 2.4 bar instead of the usual 1.8 bar on the road shortens driving time by up to three percent, while consuming two percent less diesel.
Up to 8% more area coverage
During tillage, the optimal tyre pressure of 0.8 bar, instead of the usual 1.8 bar, can increase draft performance by ten percent. This increases area coverage by eight percent while reducing diesel consumption by eight percent per hectare. For 500 hours of heavy-duty draft work per year, this means 40 hours less working time.
0.8 bar inner tyre pressure means:
- 10% more pulling power +
- • 8% more area +
- • 8% less diesel +
- • 40 hours saved per 500 hours of operation
Up to 10 €/hr saved
Per operating hour, this results in savings of 10 €/hr for heavy-duty draft work. In 10,000 operating hours, of which 50 percent is for draft work (i.e. 5,000 operating hours), 50,000 €** can therefore be saved.
0.8 bar inner tyre pressure means:
- 10 € per hour saved
- 50,000 € saved in 5,000 hours of draft work
* South Westphalia University of Applied Sciences, Agriculture Soest
** Based on 10,000 hrs, 50% draft work, 5,000 hrs x 10 €
VarioGrip protects the soil and enables high yields
Distribution of ground pressure
Well known and time-tested: An adapted, lowered inner tyre pressure not only increases area coverage and lowers diesel consumption, but also effectively protects the soil. A softer, wider tyre increases the ground contract area, so weight is distributed better, which in turn lowers the ground pressure. If the tyre is narrow and hard, normal soil is unnecessarily compacted. The surface is also damaged by the “slip with cutting effect” *caused by the tyre tread, and more fuel is consumed: tracks with a depth of more than ten centimetres double the fuel consumption*.
* Source: Prof. Dr. Volk, University of Applied Sciences Soest
Leave the right track behind
The image shows the impression of the same arable tractor tyre, once with a high (right) and once with a low inner tyre pressure (left). One can recognise the effect air pressure has on the soil by the length of the tyre impression. The right-hand image shows the impression of the tyre with high pressure. It clearly shows a shorter contact area. The weight is not as well distributed, so the tyres sink deeper into the ground. The left-hand image shows the same tyre, but this time with low air pressure. The tyre can expand and weight is distributed better on the ground. The contact area is considerably longer and wider, so there is less pressure on the soil.
Further advantages that are convincing.
Optimal protection
The protected design of the system ensures maximum operational reliability and longevity. There is no danger of ripping off protruding air lines.
Pumped out fast
The water-cooled double compressor ensures the tyres are filled within a short amount of time. The double compressor has a much higher output capacity than a standard compressor.
Perfectly integrated – Simple operation via the Varioterminal
The great advantage of the VarioGrip tyre pressure regulation system is that it is fully integrated in the vehicle. The mechanical and electronic components are completely integrated in the vehicle design concept. The inner tyre pressure can therefore be conveniently controlled from 0.6 to 2.5 bar, separately for the front and rear, using the Varioterminal. The assistance system even informs drivers about too low or too high tyre pressure.
Intelligent integration on the front axle
The lines for the VarioGrip tyre pressure regulation system run through a radial rotary union. The valve on the tyre is opened pneumatically via the control line (green). The air pressure in the tyre can be lowered or increased quickly via the air line (blue).
The tyre pressure regulation system in neutral test
The proof
A neutral study of the University of Applied Sciences, Agrarwirtschaft Soest impressively proves that the VarioGrip integral tyre pressure regulation system boosts efficiency. The study was carried out in August 2014 with a Fendt 828 Vario equipped with the integral tyre pressure regulation system VarioGrip. Both the effects during heavy-duty draft work in the field as well as during transport trips were determined. The results of the study show clear economic benefits that pay off.
To measure fuel consumption during the VarioGrip test, an external volume counter was installed in the diesel feed and return.
Tyre pressure regulation system – because it pays off!
Depending on the operation, it may be necessary to adapt the inner tyre pressure often. The integrated tyre pressure regulation system VarioGrip, which adapts the inner pressure while driving, therefore saves a lot of time. Thanks to VarioGrip, the time required for adjusting the inner tyre pressure when driving and leaving the field is reduced to a minimum and work is completed faster.
Tyre pressure regulation during cultivation
Tyre pressure regulation during application work, for example, applying slurry
