The corrugation grinding machine type AT 1003 Servo has been designed especially for use on tramways. The machine processes systems, tight curves (R > 15) and can be used on grooved and Vignole rails. Together with the dust vacuuming system, it is also suitable for use on the underground. Its compact size and exceptionally easy handling enable efficient working during operation and at train operating intervals under 5 minutes. The track gauge is continuously adjustable.