A manufacturing machine for the production of disposable cartridges for electronic cigarettes; each disposable cartridge comprises a tubular casing , which contains a quantity of tobacco overlapped by a pad of filtering material and a sealing ring , which is applied and welded to the tubular casing ; the manufacturing machine comprises: a first manufacturing drum , which is mounted rotating in a stepwise manner around a first vertical rotation axis and supports a plurality of first groups of first seats , each adapted to house a corresponding tubular casing ; a second manufacturing drum , which is mounted rotating in a stepwise manner around a second vertical rotation axis and supports a plurality of second groups of second seats , each adapted to house a corresponding tubular casing ; an input unit , which feeds the tubular casings into all the first seats of a first group that is standing still in a first feeding station (S1); at least one filling unit , which feeds the quantities of tobacco into the tubular casings carried by the first seats of a first group that is standing still in a filling station (S2); and a transfer unit which simultaneously transfers all the tubular casings from all the first seats of a first group that is standing still in a transfer station (S4) to the corresponding second seats of a second group that is standing still in the transfer station (S4); the manufacturing machine is characterized in that : each group of seats comprises a plurality of seats , which are aligned along at least two lines, which are parallel to one another; and a number of filling units is provided equal to the number of lines of each group of seats , so that each filling unit feeds the quantities of tobacco into the tubular casings carried by all and only the first seats of a single line of a first group that is standing still in the filling station (S2). a first manufacturing drum , which is mounted rotating in a stepwise manner around a first vertical rotation axis and supports a plurality of first groups of first seats , each adapted to house a corresponding tubular casing ; a second manufacturing drum , which is mounted rotating in a stepwise manner around a second vertical rotation axis and supports a plurality of second groups of second seats , each adapted to house a corresponding tubular casing ; an input unit , which feeds the tubular casings into all the first seats of a first group that is standing still in a first feeding station (S1); at least one filling unit , which feeds the quantities of tobacco into the tubular casings carried by the first seats of a first group that is standing still in a filling station (S2); and a transfer unit which simultaneously transfers all the tubular casings from all the first seats of a first group that is standing still in a transfer station (S4) to the corresponding second seats of a second group that is standing still in the transfer station (S4); the manufacturing machine is characterized in that : each group of seats comprises a plurality of seats , which are aligned along at least two lines, which are parallel to one another; and a number of filling units is provided equal to the number of lines of each group of seats , so that each filling unit feeds the quantities of tobacco into the tubular casings carried by all and only the first seats of a single line of a first group that is standing still in the filling station (S2). each group of seats comprises a plurality of seats , which are aligned along at least two lines, which are parallel to one another; and a number of filling units is provided equal to the number of lines of each group of seats , so that each filling unit feeds the quantities of tobacco into the tubular casings carried by all and only the first seats of a single line of a first group that is standing still in the filling station (S2). <EOS>