Abstract: An apparatus is disclosed for palletizing or cubing layers of articles such as cartons. The apparatus includes a first subassembly for preparing a layer of articles and introducing the layer into a palletizer subassembly. The palletizer includes a fixed frame supporting a plurality of spaced, generally parallel rollers. A carriage support frame is carried by the fixed frame for vertical movement relative thereto. A pair of carriages are slidably supported by the support frame for movement towards and away from the rollers along the axis of rotation of the rollers. Each carriage includes a plurality of horizontally positioned, spaced tines or fingers which extend between the spaced rollers when the carriages are moved towards the rollers. Clamps supported on the carriage support frame engage a raised layer of articles as well as the successive layer positioned underneath the raised layer upon which the raised articles are placed in order to properly position the articles relative to each other.