Prototype: Siemens Dispolok GmbH class ER 20 general-purpose locomotive. Diesel electric propulsion. Special version painted for the televison series "Eisenbahn-Romantik" / "Railroad Romance".
Model: The locomotive has a 5-pole motor. Both trucks powered. The headlights / marker lights are maintenance-free LED's. Length over the buffers 87 mm / 3-7/16".