Prototype: German Federal Railroad (DB) class 45 heavy freight locomotive. Used for the Göttingen Locomotive Experiment Institute (LVA). Road number 45 004 from photographs by Carl Bellingrodt around 1951.

Model: The locomotive has an mfx digital decoder, controlled high-efficiency propulsion, and a sound effects generator. It also has a powerful can motor with a bell-shaped armature, built into the boiler. 5 axles powered, traction tires. The locomotive is ready for installation of the 7226 generator. The headlights and the smoke generator contact will work in conventional operation and can be controlled digitally. Flickering light from the fire box and additional operating sounds can be controlled with Märklin Systems. The tender is constructed of metal and a close coupling connection to the locomotive. The locomotive has a reproduction of the internal cylinder. It also has numerous separately applied lines and grab irons.

Length over the buffers 29.5 cm / 11-5/8".

A suitable collector's display case made of wood and glass, with a reproduction of a prototype photograph from the master as a background in the display case, is included.