Roco 72778 – Diesel locomotive T669, CSD Sound

Diesel locomotive T669 of the Czechoslovakian State Railways. The T 669 is a Diesel electric locomotive of the former Czechoslovakian State Railways (ČSD). In addition to the derivation of the series designation ЧМЭ3 (“Tschme3”) for the export locomotives to the Soviet Union, the locomotives owe their nickname Čmelak (in German: Bumblebee) also to their driving noises. With approx. 8200 locomotives the Čmelak and its unique design belongs to the most-built locomotives of the world.