Its a long time ago but towards the end of steam on BR I seem to remember that most engineers coaches and tool vans that I saw on Western Region that were used on breakdown trains , tunnel maintenance trains or for general engineering work seemed to be painted in a matt pink livery. Of course it may have been that they had originally been painted maroon that had faded badly due lack of maintenance. . I want to create an engineers train for my 1960 period layout and wonder if anyone can tell