A two-wheel drive/four-wheel drive switching system provided with an electromagnetic
coil for connecting or disconnecting a driving shaft and a driven shaft. The accessories
connected to the electromagnetic coil of the switching system are provided. The
accessories are installed in space formed by faces passing a side edge of a final
reduction gear unit, an edge on the side of a switching unit of the final reduction
gear unit, an edge on the drive side of the switching unit, and an upper edge of
the switching unit. The resulting configuration facilitates the assembly of the
accessories connected to the electromagnetic coil.
