Model: The train comes with a digital decoder, controlled propulsion, and a sound effects generator. 2 powerful motors in the powered end cars. 4 axles powered. 8 traction tires. The lighting is maintenance-free LED's that will work in conventional operation and can be controlled digitally. The gas turbine sound effects, horn sounds as well as the acceleration and braking delay can be controlled digitally with a Control Unit or Märklin Systems. Additional operating sound effects such as the sound of the auxiliary diesel, blower motor sounds, and the sound of the doors being closed can be controlled digitally with Märklin Systems. A powerful speaker is in both powered end cars and has adjustable volume. Special multi-conductor current-conducting coupling and tightly fitting diaphragms with guide mechanisms are between the cars. Reproduction of the covered Scharfenberg coupler (non-working) on the ends of the train. Length of the train over the couplers 88 cm / 34-5/8".