Model: The frame, locomotive body, and the tender are constructed mostly of metal. The locomotive has an mfx digital decoder, controlled high-efficiency propulsion, and a sound effects generator with several functions.
The locomotive can be operated with DC power, AC power, Märklin Delta, Märklin Digital or Märklin Systems. 5 axles powered. The locomotive has a built-in smoke generator. The triple headlights change over with the direction of travel. The running gear lights are maintenance-free LED's. The lights and the smoke generator will work in conventional operation and can be controlled digitally. The steam locomotive operating sounds, the whistle sound, and the Telex couplers can be controlled with a 6021 Control Unit or Märklin Systems. The acceleration and braking delay as well as other operating sounds can be controlled with Märklin Systems. The engineer's cab has interior details. The locomotive has many separately applied details. The minimum radius for operation is 1,020 mm / 40-3/16". Length over the buffers 71.0 cm / 27-15/16".