Not sure if this comes under loco or not as it's technically a Wagon suggestion: The JNA Falcon wagon in Network Rail yellow. Synonymous around every part of the network and seen on every route doing engineers work. Seen parked in Hoo Junction and Doncaster Yards it's a real go anywhere wagon for a modern engineering wagon pack.
Good idea, it would make engineering trains more varied instead of using JNAs or MFAs all the time For everyone else, here is that a JNA Falcon wagon is:
