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King’s Own Yorkshire Light Infantry (KOYLI) restoration

This project saw the Deltic diesel locomotive 55 002 King’s Own Yorkshire Light Infantry undergo repair work and repainting at Locomotion.

This work was undertaken in preparation for the locomotive going on display at the National Railway Museum.


  • Bodyside repairs
  • Full repaint of the locomotive


The diesel locomotive's bodyside required some repairs. The repaint from BR blue livery to BR green was appropriate for the planned display of the locomotive (in its 1967 condition) at the 2016 Flying Scotsman exhibition, which took place in Great Hall at the National Railway Museum, York.


Both the repairs and repainting were completed on time and to budget.


  • Bodyside repairs
  • Repaint of the locomotive in British Rail green
Man in blue coveralls uses an angle grinder on the body of locomotive KOYLI
Diesel locomotive KOYLI mid-restoration in the collection building at Locomotion
Diesel locomotive on the line by the coal drops at Locomotion

The project was supported by Friends of the National Railway Museum, and the museum’s 2015 Christmas appeal.