Model: The locomotive comes with a digital decoder, controlled high-efficiency propulsion, and a sound effects generator. It has a powerful can motor with a bell-shaped armature, mounted in the boiler. 4 axles powered. 2 traction tires. The 72270 smoke generator can be retrofitted into the locomotive. The headlight and the smoke generator contact will work in conventional operation and can be controlled digitally. The headlight is a maintenance-free LED. The speed-dependent steam locomotive sound effects, the whistle sound effect, as well as the acceleration and braking delay can be controlled digitally with the 6021 Control Unit. There is a prototypical non-working coupler installed on the front of the locomotive. There is a close coupling between the locomotive and tender. Separately applied metal grab irons. Many separately applied details. Figures of a locomotive engineer and fireman are included for the engineer's cab. Minimum radius for operation 360 mm / 14-3/16". Length over the couplers 29.0 cm / 11-7/16".