Unit used to mix the fruit marcs, after mash press, with the enzyme proportioning. Mixer made in shape of big tank with installed a pair of screws rotating backwards. Each screw has individual motoreductor installed threw the clutch. Unit basket is placed between two presses – presses are underneath which allows direct marc drop. Unit is also equipped with the automatic water proportioning control and the program regulating screws rotation (time and direction). When the marcs are thrown into the basket screws are starting to rotate in mixing direction with simultaneously proportioning water and enzymes. After mixing: marcs, water and enzymes screws are starting to work backwards and product is pushed into the funnel direction into screw pump. In the end product is pushed back into the presses for additional pressing