Model: The locomotive is constructed of metal construction with applied plastic parts. It has a digital decoder, controlled high-efficiency propulsion, and a sound effects generator. The locomotive can be operated with AC power, DC power, or with Märklin Delta, Märklin Digital, or Märklin Systems. 3 axles powered, 2 traction tires. The headlights will work in conventional operation and can be controlled digitally. The locomotive has a built-in smoke generator with an on/off switch. The steam locomotive operating sound effects, smoke generator, whistle, and the acceleration and braking delay can be controlled digitally with a Control Unit or Märklin Systems. Additional operation sound effects can be controlled digitally with Märklin Systems. The engineer's cab has interior details. The locomotive has separately applied metal grab irons. Minimum radius for operation 1,020 mm / 40-3/16". Length over the buffers 67.0 cm / 26-3/8".