Model: The locomotive comes with a digital decoder and controlled propulsion. It has a powerful can motor with a bell-shaped armature, built into the boiler. 4 coupled driving axles powered. 2 traction tires. The headlights will work in conventional operation and can be controlled digitally. The locomotive can be retrofitted with the 72270 smoke generator. The smoke generator contact as well as the acceleration and braking delay can be controlled digitally with the 6021 Control Unit. The engineer's cab has interior details. There is a permanent close coupling between the locomotive and tender. Many separately applied details. Length over the buffers 21.0 cm / 8-1/4".