Expanding the scope of conventional machines as a starting point
The weak carrying capacity of the soil is a problem in timber harvesting on peat soil when the ground is not frozen. A solution to the problem can be sought by relying on special machinery (off-road vehicles with tracks, tractors with tracks for swamps) or trying to improve the possibilities of using current machinery on soft terrain. It is a well-known fact that the use of special machinery designed for peat soil conditions is expensive. Timber harvesting on peat soil cannot be operationally differentiated from other forms either. Therefore, it is reasonable to start by expanding the scope of machinery used for other harvesting tasks. The 10-wheeled solution makes it possible to achieve good harvesting productivity in a terrain with poor carrying capacity - it makes it possible to drive full loads also when the carrying capacity is poor.Based on the results of the project, it is not wise to start longing for different kinds of track vehicles or swamp caterpillars. Correctly designed tracks can significantly improve the bearing capacity of currently used forwarders by reducing the surface pressure imposed on the ground. Widening the tracks will also widen the machines, but not excessively with regard to damage to tree stands. Using the auxiliary wheel solution developed for the test, a machine was created that can be used for transportation on soft unfrozen ground without excessively large tracks and without the machine getting stuck.
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