The present invention relates to a milling drum box unit, in particular a quick-change milling drum box unit, for mounting to a self-propelled base machine to obtain a ground milling machine, the milling drum box unit comprising a part of a fastening device for mounting the milling drum box unit to the base machine, a connection point configured to receive and establish a drive connection to a milling drum rotatable about a rotation axis, on sides of each side wall a lateral shield height-adjustable relative to the side wall, at least two drive energy-consuming consumer elements and/or at least two sensors for detecting an operating parameter.