Material which can be processed: feathers, foam rubber, polyester, conforel, fibres, wool and cotton. It is a machine for the preparation of mixtures for the filling of stuffed materials (feather + foam rubber; feather + polyester, foam rubber + polyester, etc). The material mixture takes place through two mixers horizontally placed for a best result. The machine can also be used as a stocking silo. It is high capacity (5 mc) permitsthe preparation of a large quantity of material. It is possible to charge the machine from high or sideways through a proper aspirator. Arrangement for one or two filler machines. It is possible to assemble the whole structure on loading cells for a correct preparation of mixtures. “Soft-Start” device for a long life of motors and gearboxes. Electric plant in watertight box (IP 55) with door-lock isolator, telemotorprotector, safety end of stroke and low-tension controls.