Union Mills Class J25 DCC Conversion

Mistakes may damage your locomotive, controller or other accessories. Use a multimeter to make absolutely sure you have completely isolated the motor from the track before testing. Always use the Programming Track for testing. Our guides are provided for reference only, and you proceed entirely at your own risk. Unsure about something - try our DCC Conversion Service instead.

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This guide covers the Union Mills Class J25 models, including:

• Union Mills Class J25 LNER Black 1988

There isn't enough room in the tender to a decoder without milling out some of the metal, instead of doing this we hide the decoder on the footplate out of sight. Follow the Union Mills J39 guide for detailed conversion instructions, as the steps are exactly the same.

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