Prototype: Express steam locomotive of the Bavarian class S 2/6 in green base color with a black smoke chamber door and red chassis. Replica of the preserved locomotive in the Transport Museum Nuremberg. Museum condition as a locomotive of the Royal Bavarian State Railway (K.Bay.Sts.B.) from Era I. Model: With digital decoder and extensive sound functions. Regulated high-performance drive. 2 axles powered. Traction tires. Prepared for smoke unit 72270. Direction-dependent changing dual-light front signal and retrofittable smoke unit can be operated conventionally, digitally switchable. Train meeting light and cab lighting additionally digitally switchable. Lighting with maintenance-free warm white LEDs. Detailed chassis with a cut-out bar frame. Streamlined casing of smoke chamber, chimney, dome, and cylinder group, as well as a streamlined cab design. Short coupling between locomotive and tender. Kinematically guided short coupling with NEM shaft at the tender. Minimum curve radius of 360 mm. Cylinder protection tubes are included separately. Length over buffers 25.1 cm. The express steam locomotive of the class S 2/6 is produced in a limited series to celebrate the 125th anniversary of the Transport Museum Nuremberg. This model can be found in alternating current version in the Märklin H0 range under item number 38015.