The prototype is a symbol for the new idea of breaking up and the willingness to experiment by the then still young Federal Railways. Theoretically well thought out but practically impossible to implement, the two test locomotives of the series 78.10 remained the only of their kind.Model: Steam locomotive 78 1002, model 2 C2'h2 with two-axle short tender 2T17 of the German Federal Railways (DB). Design with three-light spike signal in the condition circa 1958.With digital decoder and a wide range of sound features. Regulated high-power drive with flywheel mass in the boiler. 3 Powered axles Traction tyres. Locomotive and tender to a large extent made of metal. In-built smoke set conventional in operation, can be switched digitally. Three-light head end signal changes dependent upon the direction of travel operated conventionally, can be switched digitally. Firebox flicker digitally adjustable In addition, the driver's cab lighting can be switched digitally. Lighting with maintenance-fr