Dosing machine for controlled dosage of pasty products, of the type with an agitator associated with a feed that includes an auger extension forming a compression feed chamber including a distributor with a plurality of distribution holes, a dosing device with on a fixed plate a corresponding first plurality of holes coinciding with the distribution holes and a corresponding second plurality of holes, parallel to the first and moved to one side on the plate, above the fixed plate a mobile dosing structure is installed that has an alternating drawer movement on the fixed plate with a reciprocal movement device for moving the dosing structure from a position above the distribution holes to a position above the second plurality of holes moved to the side of the auger and vice-versa, the dosing structure includes corresponding dosage chambers associated with the control dosing volume and density.