Save the gear control panel as well, I understand they're the same as refurb RMs.

My bus number (if any): RML2532

There was some discussion several years ago about CAV551 panels which concluded that the Eproms? differed according to which engine is fitted. This was all to do with the different torque curves of the various engines which governed at what speed the various gear changes tak eplace. Certainly in the information I have there is a difference between Cummins and Iveco. I cannot see a Leyland 680, 690, Gardner 6LX, 6LXB or Iveco 836 S11 fitted to a DMS having the same change speed points as an RM.

Maybe not roy, but get the core unit and I'm sure someone like PSV Electircal at Hoddesdon can re-program them to suit whaever engine the bus has.

My bus number (if any): RML2532