Diesel Locomotive Gravita 15BB Look out for the great new Diesel Locomotive, 15BB Werkslok Voith from BRAWA &ndash, after all, when it comes to dedication to detail, you can&rsquo, t beat our track record! Separately mounted handrails Finely detailed, three-dimensional bogie Finest paintwork and printing True-to-scale fan-grill True-to-scale engravings and details Close-coupling All axles driven LED lighting 21-pole interface Driver's cab light and red tail lights can be switched on and off Sound and digital version EXTRA: Filigree electronic coupling Functional, switchable fan Different light signals switchable BRAWA Gravita-Sound Switchable high beam It is possible to retrospectively convert the Gravita 10 BB as well as the Gravita 15L BB from analogue to digital via a 21-pin NEM interface (only sound functions). Please note that it is not possible to retrospectively convert the digital remotecontrol coupling, the driven fan or the additional light functions.