I concur with Chaz and Mulfred. I would gladly purchase the Yellow Diesels if they were reissued.
Here are the prototypes from around early 2014:

If Bachmann saw this through to the end, they'd be a day 1 purchase from me. It keeps the same face plate, but makes them distinguishable from each other to tell them apart.
Here are the prototypes from around early 2014:

If Bachmann saw this through to the end, they'd be a day 1 purchase from me. It keeps the same face plate, but makes them distinguishable from each other to tell them apart.

