Coupled together as an MFS train, whether for loading or transport of spoil in modern ballast bed cleaning systems or in formation rehabilitation systems or when supplying new material, they ensure the scheduled completion of a construction project. However, the development continues: in detail improvements and new fields of application. As the original solution, every MFS unit made by Plasser & Theurer demonstrates its strengths in arduous worksite operation as a contribution towards the commercial success of the rail operator.