Model: This is a replica model based on the Märklin classic item number 3030. It has an mfx digital decoder. The locomotive has controlled high-efficiency propulsion. 3 axles powered. Traction tires. The triple headlights change over with the direction of travel, will work in conventional operation, and can be controlled digitally. The locomotive body and frame are constructed of metal. "Märklin" and the item number are in raised lettering on the locomotive body. Both ends of the locomotive have Relex couplers. Length over the buffers 14.7 cm / 5-3/4".