A quick change soil tilling apparatus adapted for use with an agricultural tillage implement, the apparatus comprising an adapter and a tilling tool, the adapter being adapted to be fastened to a fixture shaft on the apparatus in operation by a plurality of fasteners； configured cross-section, that it is to be brought into engagement with the attachment part of the soil working tool, wherein the adapter is assigned at least one securing tool securing the soil working tool on the adapter in the working position of the tool. In order to provide a simplified embodiment of the securing element and a simplified replacement of the soil working tool, it is provided that one of the fastening elements for attaching the adapter to the attachment shaft is associated with the securing element.
