Boom structure

A boom structure on a work machine, the work machine comprising a cabin and a boom structure, the boom structure is a branched boom structure that comprises at least two boom branches arranged on the work machine and a main boom structure extending from their convergence area substantially in a working direction, wherein the boom structure is rotatable in relation to the frame of the work machine about a substantially vertical axis,

• the boom branches are arranged on the work machine substantially in the vicinity of planes formed by side walls of the cabin, and
• the boom branches are arranged to extend at least partly to the area of the side walls of the cabin in at least one use or transport position of the work machine.