Model: The locomotive has an mfx+ digital decoder and extensive sound functions. It also has a controlled high-performance motor with a flywheel, mounted in the boiler. Four axles are powered, three of them via coupling rods. Traction tires are fitted. The locomotive and tender are made mostly of metal. The locomotive has a factory-fitted smoke generator. Headlights and dual red marker lights change over with the direction of travel, work conventionally, and can be controlled digitally. The headlight can be switched to a red marker light. The cab lighting, running gear lighting, and firebox/burner flickering can be controlled separately in digital operation. Maintenance-free warm-white and red LEDs are used for the lighting. Close coupling with a guide mechanism between the locomotive and tender. The tender has a close coupling with a guide mechanism and an NEM pocket. The buffer heights on the locomotive and tender conform to NEM specifications. The minimum radius for operation is 360 mm / 14-3/16". Protective piston sleeves and brake hoses are supplied. Various decorative parts are included for the passenger cars. Total length over the buffers approximately 110 cm / 43-1/4". The passenger cars were developed in partnership with PIKO Spielwaren GmbH, Sonneberg, Germany. Find more Märklin explanation videos on our YouTube Channel. Spare parts for our articles can be found here in our spare parts search. The prototypical type EW 1 passenger cars are joining the Märklin range for the first time. The type EW 1 cars were developed as successors to the lightweight steel cars of the 1950s. Unlike the older cars, they were open seating cars and were approved for higher speeds (140 km/h / 87 mph).