Model: Four-axle locomotive for passenger or freight cars. All 4 axles powered by means of cardan shafts with 1 central gear box and 4 transfer gear boxes. 2 wheels equipped with traction tires. Built-in high-efficiency electronic circuit for operation with AC power, DC power, or Märklin DELTA/Digital. The headlights can be turned on and off in digital operation. Their brightness in operation with DC or AC power depends on the voltage present in the track. Built-in sound effects circuit with motor sound effects and choice of activation of a high or low pitch locomotive horn; sound effects circuit can be turned on only in digital operation. Figure of a locomotive engineer installed in the locomotive cab. Various detail parts included with the model such as additional brake lines, etc. that can be mounted on the model when it is used for display. Minimum radius for operation is 1,020 mm / 40-5/32*. Length over buffers 51.5 cm / 20-1/4*. This model differs from its 3 predecessors in more than just the paint scheme. All of the earlier versions of this locomotive have other roof details or truck frames. On this ocean blue / cream version the large vent is a separate part for the first time with a finely detailed protective grill. This model is also aurally convincing with its sound effects circuit installed at the factory. As with all Märklin standard 1 Gauge models, running characteristics such as maximum speed, acceleration and braking behavior can be set as you desire.