EMERSON DXE450B AC SERVO MOTOR WITH ENCODER AND BRAKE This unit was removed from a working machine and is tested good. Exchange on your old unit is welcome. We have a large inventory of parts for other CNC machinery not yet listed, so feel free to email with any questions that you may have. Please contact us before picking ( Buy it now ) to confirm the the item is correct for your application. We can also quote your correct shipping price ( domestic or international ) based on your individual shipping needs.