Vehicular Axle Device

A differential case () is therein provided with a plurality of rotating discs () that are spline coupled to an outer peripheral side of a right side gear (), and a plurality of non-rotating discs () that are arranged between the respective rotating discs (). A pressure ring () is disposed between a right retainer () and the rotating disc (). The right retainer () is provided with a piston () that applies a load to the pressure ring () to bring the rotating discs () and the non-rotating discs () into frictional contact. A lever member () is disposed between the differential case (), the right side gear () and the pressure ring (). The lever member () transmits a reaction force due to the engagement between the pinion gear () and the right side gear () to the pressure ring () to control a load to be applied to the pressure ring () from the piston ().