Ponsse Oyj

Ossi Pohjoisaho

Pentti Hukkanen

Jukka Karppinen

Jan Kauhanen

Risto Vidgren

Risto Vidgrén

The invention relates to an arrangement in a forestry machine (), in which arrangement there is &#x2014;a chassis (), &#x2014;a single-axle set of wheels () pivoted to the chassis (), and &#x2014;at least one auxiliary wheel () fitted the outside the set of wheels (), in order to increase the load-bearing capacity of the rear part () of the chassis (). &#x2014;The arrangement further includes &#x2014;at least one support arm () arranged to carry the said auxiliary wheel () at its first end () and pivoted at its second end () to the said chassis () with the aid of a transverse shaft (), &#x2014;a support surface () attached to the chassis () and a counter surface () attached to the said support arm (), for limiting the transverse movement of the support arm (). &#x2014;The invention also relates to a corresponding forestry machine.

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Iisalmi, Finland

Ossi Pohjoisaho