Automatic palletizer with three positions. • Input area, tray warehouse (up to 10 positions). • Bottles insertion row by row into tray. • Palletizing area. Autonomy of standard machine: a complete pallet. Type of packaging: Upside trays (1200×800, 600×800, 1200×1000, 600×1000 mm). Pallet height: Up to 3m. Advantages: • It allows handling unsteady bottles because the bottle is not pushed and slide but elevated by the neck and introduced softly into the tray. • Flexible: adjustable to work with different trays sizes, one or two trays per level. • It introduces in each tray 1 or 2 rows of bottles more than other automatic systems, optimizing transport costs per bottle. Optionally: • Automatic positioning of inverted tray in the last layer of the pallet • Automatic plastic sheet supply between layers (from roll of film) to protect the bottles neck from touching the cardboard. • Pallet doser and output pallet accumulation by roller or chain conveyor.