Sterilization machine for the sterilization of caps comprising at least: - an isolation chamber having an internal space , the machine (1, 1', 1", 1′′′) being configured such that the caps are advanced along a conveying path (P) placed within the internal space and the isolation chamber separating the inner space from an outer space ; - a plurality of carts positioned within the inner space ; and - an actuation unit arranged in the outer space and configured to advance the carts along an advancement path (Q) by means of the generation of an electromagnetic field; wherein each cart comprises at least one pusher configured to interact with a group of caps having one or more caps and such that the advancement of the carts along at least a portion (Q1) of the advancement path (Q) corresponds to the advancement of the group along the conveying path (P), the at least one portion (Q1) being arranged within the inner space ; wherein, for each cart , the actuation unit is configured to control the advancement of the cart along the advancement path (Q), by means of control of the electromagnetic field and independently from the other carts ; characterised in that , for each cart independently advancing from the other carts , the actuation unit is configured to control by means of magnetic levitation a first position component of the cart with respect to the actuation unit , the first position component being along a first direction (C), the first direction (C) being transversal to the advancement path (Q); wherein, for each cart advancing independently from the other carts , the actuation unit is configured to control, by means of the control of the electromagnetic filed, also a second position component of the cart with respect to the actuation unit , the second position component being along a second direction (E), the second direction (E) being transversal with respect to the first direction (C) and the advancement path (Q); wherein the actuation unit is defined by or comprises a planar motor. - an isolation chamber having an internal space , the machine (1, 1', 1", 1′′′) being configured such that the caps are advanced along a conveying path (P) placed within the internal space and the isolation chamber separating the inner space from an outer space ; - a plurality of carts positioned within the inner space ; and - an actuation unit arranged in the outer space and configured to advance the carts along an advancement path (Q) by means of the generation of an electromagnetic field; wherein each cart comprises at least one pusher configured to interact with a group of caps having one or more caps and such that the advancement of the carts along at least a portion (Q1) of the advancement path (Q) corresponds to the advancement of the group along the conveying path (P), the at least one portion (Q1) being arranged within the inner space ; wherein, for each cart , the actuation unit is configured to control the advancement of the cart along the advancement path (Q), by means of control of the electromagnetic field and independently from the other carts ; characterised in that , for each cart independently advancing from the other carts , the actuation unit is configured to control by means of magnetic levitation a first position component of the cart with respect to the actuation unit , the first position component being along a first direction (C), the first direction (C) being transversal to the advancement path (Q); wherein, for each cart advancing independently from the other carts , the actuation unit is configured to control, by means of the control of the electromagnetic filed, also a second position component of the cart with respect to the actuation unit , the second position component being along a second direction (E), the second direction (E) being transversal with respect to the first direction (C) and the advancement path (Q); wherein the actuation unit is defined by or comprises a planar motor. <EOS>