Märklin H0 60986 sound decoder mSD3. Manufacturer Part Number: 60986. MPN : 60986 Factory New. For converting Märklin/Trix H0 locomotives with built-in high-performance motor or other DC motors. The Märklin SoundDecoder 3 has a soldered-on wiring harness with an 8-pin NEM interface plug for retrofitting many locomotives with a corresponding NEM interface and locomotives with lack of space.
