Märklin 60985 mSD/3 steam locomotive with wiring harness

For converting Märklin/Trix H0 locomotives with built-in high-performance motors or other DC motors. The märklin SoundDecoder3 has a soldered wiring harness with an 8-pin NEM interface plug for retrofitting many locomotives with a corresponding NEM interface and locomotives with a lack of space. The märklin SoundDecoder3 supports the digital formats mfx, MM1, MM2 and DCC.Preset sound of a steam locomotive.