Model: The locomotive has a 21-pin digital interface connector. It also has controlled high-efficiency propulsion with a flywheel, mounted in the boiler. 5 axles powered. Traction tires. The locomotive and the coal tender are constructed mostly of metal. The 7226 smoke unit can be installed in the locomotive. The triple headlights change over with the direction of travel. They and the smoke unit that can be installed in the locomotive will work in conventional operation and can be controlled digitally. Maintenance-free warm white LEDs are used for the lighting. There is a close coupling with a guide mechanism between the locomotive and tender. There is a close coupler with an NEM pocket and a guide mechanism on the tender and on the front of the locomotive. The minimum radius for operation is 360 mm / 14-3/16". Protective sleeves for the piston rods, brake hoses, and imitation couplers are included as detail parts.
Length over the buffers 26 cm / 10-1/4".
Four-axle standard design tank cars to go with this locomotive for making long unit trains can be found under item number 00727 as a 12-car display with different car numbers in the Märklin H0 assortment with information about the required DC wheelsets.