Treatment machine for containers, in particular beverage containers, with - a conveyor for conveying the containers as a container mass flow, and - with a treatment unit (4.1 - 4.4) for treating the containers, wherein the conveyor comprises a guide device with an adjustable guide rail (5.1) for the containers, wherein the guide device comprises several adjustable support struts (5.3a - 5.3c), to which the guide rail (5.1) is attached, and that the guide device comprises a gear (5.2) with a drive shaft (5.21) and with several output elements (5.22a - 5.22c), wherein the output elements (5.22a - 5.22c) are coupled with the adjustable support struts (5.3a - 5.3c), to transmit an adjusting movement from the drive shaft (5.21) to the adjustable support struts (5.3a - 5.3c), wherein the guide rail (5.1) is adjustable in a container radial direction and/or in a container longitudinal direction, wherein the guide device comprises a height adjustment device (5.6), with which the guide rail (5.1) is adjustable in height along the container longitudinal direction separately from the adjustment by the adjustable support struts (5.3a - 5.3c), wherein with the height adjustment device (5.6) the gear (5.2), the adjustable support struts (5.3a - 5.3c) and the guide rail (5.1) are adjustable in height, characterized in that the guide device comprises a housing (5.4a, 5.4b), in which the drive shaft (5.21), the output elements (5.22a - 5.22c) and the adjustable support struts (5.3a - 5.3c) are mounted, wherein the height adjustment device (5.6) is configured as a height adjustable carrier (5.6a), at which the gear (5.2), the adjustable support struts (5.3a - 5.3c) and the guide rail (5.1) are attached as a unit. - a conveyor for conveying the containers as a container mass flow, and - with a treatment unit (4.1 - 4.4) for treating the containers, wherein the conveyor comprises a guide device with an adjustable guide rail (5.1) for the containers, wherein the guide device comprises several adjustable support struts (5.3a - 5.3c), to which the guide rail (5.1) is attached, and that the guide device comprises a gear (5.2) with a drive shaft (5.21) and with several output elements (5.22a - 5.22c), wherein the output elements (5.22a - 5.22c) are coupled with the adjustable support struts (5.3a - 5.3c), to transmit an adjusting movement from the drive shaft (5.21) to the adjustable support struts (5.3a - 5.3c), wherein the guide rail (5.1) is adjustable in a container radial direction and/or in a container longitudinal direction, wherein the guide device comprises a height adjustment device (5.6), with which the guide rail (5.1) is adjustable in height along the container longitudinal direction separately from the adjustment by the adjustable support struts (5.3a - 5.3c), wherein with the height adjustment device (5.6) the gear (5.2), the adjustable support struts (5.3a - 5.3c) and the guide rail (5.1) are adjustable in height, characterized in that the guide device comprises a housing (5.4a, 5.4b), in which the drive shaft (5.21), the output elements (5.22a - 5.22c) and the adjustable support struts (5.3a - 5.3c) are mounted, wherein the height adjustment device (5.6) is configured as a height adjustable carrier (5.6a), at which the gear (5.2), the adjustable support struts (5.3a - 5.3c) and the guide rail (5.1) are attached as a unit.