The mechanical stunning box performs the function of mechanical fixation of cattle during stunning. After cattle are herded into the box, the back door is closed immediately behind it, and the animal is squeezed from behind, and the bottom of the abdomen. After being stunned, the animal collapses on the element that supports it. The side wall is opened and the animal is fed feet first onto the receiving table. Next, with the help of a puta, the animal is fed to the suspended path of the slaughter line. It can be made of stainless or galvanized steel.