Model: Era III. The locomotive and tender are constructed of die-cast metal. The locomotive has a powerful can motor with a bell-shaped armature and flywheel, in the boiler. The locomotive also has an NEM digital connector in the tender. 5 axles powered through side rods. 4 traction tires. The locomotive has a close coupler on the tender and a close coupling between the locomotive and tender. Length over the buffers 145 mm / 5-11/16".
Typical freight cars to go with this locomotive from the East German period are the models in the 15503 set.