Model: The locomotive has metal construction with many integrated details. The total design of the locomotive is ideal for model railroad operation. The locomotive has a digital decoder and a centrally mounted special can motor. 4 axles powered through cardan shafts. 2 traction tires. The headlights are LED's and they will work in conventional operation and can be controlled digitally. The acceleration and braking delay can be controlled digitally with a Control Unit or Märklin Systems. Length over the buffers 21.7 cm / 8-1/2".