With digital decoder and extensive sound functions. It also has a controlled high-performance motor with a flywheel, mounted in the boiler. Five axles powered. Traction tires. The locomotive and solid-frame tender are constructed mostly of metal. Prepared for installation of a 7226 smoke generator kit. The dual headlights change over with the direction of travel. These and the smoke generator kit that can be installed in the loco will work in conventional operation and can be controlled digitally. The cab lighting is also digitally controllable. Maintenance-free, warm-white LEDs are used for the lighting. A buffer capacitor is fitted. Close coupling with a guide mechanism between the loco and tender. The rear of the tender and front of the loco have close couplings with NEM pockets and guide mechanisms. The buffer height conforms to NEM specifications. The minimum radius for operation is 360 mm. Protective piston sleeves, brake hoses, and imitation screw couplers are included. Length over buffers 26.4 cm. Matching freight cars for the era are available in the Märklin H0 range, including information about the necessary replacement wheel sets. An AC version of this model is available in the Märklin H0 range as item 39535.