Length over buffers 19000 mm distance between bogie pivots 11500 mm total mass 55 t engine power ca. 400 kW max. travelling speed 100 km/h machine with two 2 axle bogies for tracks and turnouts with gravel silo equipped with a divided center plough suitable for ploughing in tracks with center cable for continuous automatic train-running control where the ballast flow can be precisely controlled via a push button. The shoulder plough takes the ballast out of the shoulder of the ballast profile to the concrete crown. Sweeping device with reversible lateral conveyor belt for depositing the excessive ballast at the side. Steep conveyor belt gravel silo with bottom conveyor belt and distribution device serve to store and re-apply ballast material. Hydrostatic drive on all four axles UIC brakes large drivers cabin with controls and front screens made of 14mm safety glass. The correctly defined ballast profile is the most important factor determining the track position and also to avoid lateral displacement. The correct distribution of the ballast in the track as well as regaining the shoulder is an economic factor. Working the ballast surface with a grader particulary at the shoulders has a postive effect against plant growth. This is mainly a mechanical process working the ballast surface. On high speed lines the thourough working of the sleeper tops and the spaces between are important in order to avoid loose gravel being picked up by the wind at high speeds.