Different scenarios to consider for converting locomotives:

• Analog locomotives
• Digital locomotives without plug connection
• Locomotives with standardized plug connection

Further down on this page, we have various locomotive conversions documented for you in text and picture and we update this regularly.

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Analog Locomotives

For an analog Märklin locomotive, you can find a detailed documentation of the retrofit in the article Retrofit BR53 Märklin 3102.

We dedicated to the LGB classic “Stainz” in the article Retrofit LGB Stainz #2020 and #2021.

For PluX22 we have our own installation adapter with large soldering contacts or screw terminals in the program.

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Digital Locomotives without Connectors

The conversion is fundamentally similar to that of analogue locomotives. However, it is important to pay attention to how the functions, especially the lighting, are wired. There are often already light circuit boards with a common supply connection and multiple switch connections.

Note: Sometimes the resistors important for LEDs are not on the light board, but on the main board or even the decoder. If you connect an LED directly to a switch output of the CTC locomotive module, the LED will burn out immediately.

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Locomotives with standardized connections

We already have suitable locomotive modules for the following standardized connections:

• CTC-Lokmodul-21mtc
• CTC-Lokmodul-PluX22

If you need modules for other standards, please let us know - then we can adapt our development plans to your needs.

Locomotives with DCC Sound Decoder

Instead of replacing an existing DCC decoder with a CTC module, you can also install the CTC module between the track and DCC decoder. This is especially useful if you want to use the sophisticated sound of your locomotive with CTC.

How to do this is explained in the article Umbau PIKO BR 50 mit DCC Sound.

Conversion Documentation H0

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Märklin H0 Analog

These modifications were carried out with the no longer available CTC-Lomodul-H0a

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Märklin H0 Analog PluX22

This is the newer

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H0 Digital

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H0 21mtc

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H0 21mtc with SUSI3-Sound

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H0 PluX22

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H0 NEM-652

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H0 with Sinus Motor

Conversion Documentation for Garden Railway

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Garden Railway Analog

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Garden Railway DCC

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Garden Railway with DCC Sound

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Garden Railway with SUSI3-Sound

Conversion Documentation Gauge I

Conversion documentation H0m

H0m Analog