Abstract This disclosure relates to a shank and blade arrangement for agricultural equipment such as a plough, and separately a shank and a plough blade. According to a first aspect, disclosed is a shank and plough blade arrangement comprising a shank having an external profile comprising one or more outwardly extending flanges, each flange defining a shoulder; and a plough blade extending between a leading end and a trailing end and having an internal cavity extending inwardly from the trailing end, the internal cavity having an internal surface corresponding generally to the external profile of the shank, a portion of the internal surface comprising an abutment surface, wherein in use the shank is inserted into the internal cavity of the blade, and the abutment surface and the shoulder are configured such that the abutment surface abuts the shoulder of the shank to inhibit movement of the trailing end of the blade relative to the shank in response to forces on the leading end of the blade. 0 -i mm
