Last Updated: 16 June 2025

This guide covers the following models:

  • Union Mills Class J26 1678 in LNER Black

Union Mills Tender Drive Conversion

It is possible to fit a small decoder in the tender without milling, see the Union Mills Class T9 guide for more a step-by-step guide.

Convert Union Mills Class J26 loco to DCC Convert Union Mills Class J26 loco to DCC