mm / 3-5/8". Prototype: Swiss Federal Railways (SBB) electric locomotive, road number 11139 (class Re 4/4 II). B-B wheel arrangement, Built starting in 1967 for the SBB. The locomotive looks as it did in [...] digital decoder and a sound generator for operation with DCC and Selectrix. The motor has a flywheel. 4 axles powered. Traction tires. The headlights and marker lights change over with the direction of travel...