A laundry treating appliance for treating fabric according to a cycle of operation includes a cabinet defining an interior, a wash tub within the interior and having a peripheral wall with an upper portion and a bottom end closed by a base; a wash basket located within the wash tub for movement relative thereto and defining a laundry treating chamber; and a drive motor located within the cabinet for rotating or oscillating the wash basket. Prior to installation of the wash tub in the cabinet, the wash tub is oversized relative to the interior. After installation of the wash tub in the cabinet, the upper portion of the wash tub forms a press fit with the cabinet such that the upper portion of the wash tub exerts a force on the cabinet.