WORK VEHICLE

It is an object to provide a work vehicle being capable of arranging side view mirrors at arbitrary positions while reducing the vibration of the side view mirrors. Regarding a tractor (1), which is a work vehicle in which a mirror portion (18) of a side view mirror (16) is provided on the other end of a support arm (17) whose one end is fixed on a cabin (26) for covering a drive operating unit (37), the support arm (17) is bent in a midway portion, and a beam (17b) is integrally formed with the support arm (17) in such a manner as to sandwich a bending portion (17a), and a cross-sectional area (Ar) of a cross section vertical to the axial direction of the support arm (17) is configured to be reduced as the support arm (17) advances from the one end to the other end thereof.