amaninspired

Thank you!

Thanks - that’s almost exactly what I was looking for! I will need to have a look for 37/4s in mainline livery with the push-pull stock...

Excludes the possibility of 37/4 push-pull working in the 1980s; but not, necessarily, of them pulling sets of push-pull stock. That’s not something I ever saw, but I remain curious as to whether anyone else ever saw that?

Thanks, so the modification required for the DRS workings was to the DBSO, rather than the 37/4?

I was hoping that I might be able to ask a few questions about the capabilities of Class 37/4 locomotives to work with Mk2f DBSOs. I am aware that DRS has been operating these on Cumbrian coast services in recent years, but I am wondering when and how these locomotives acquired a push-pull capability? The main questions that I have are: 1. What push-pull equipment is fitted to the 37/4s (i.e. were these locomotives retrofitted with suitable equipment to ensure compatibility with the DBSOs; did they already have the capability through blue star multiple working equipment; or is there another technical explanation)? 2. If they had to be retrofitted with push-pull equipment, when was this done? 3. If the push-pull capability existed from the outset using multiple working equipment, is anyone aware of any occasions when 37/4s substituted for 47/7s on the ScotRail Express services between Edinburgh, Glasgow and Aberdeen in the 1980s, making use of push-pull working? 4. If they did not have push-pull capability when initially rebuilt as 37/4s, is anyone aware of them working sets of ScotRail Express push-pull rolling stock on a pull-only basis (as occasionally happened with Class 47s in the event of unavailability of a 47/7 or a fault in the push-pull equipment)? Any information is very much appreciated!