I had the same (or a similar) problem yesterday. After quite some time testing various things I found the following: When I switched the brakes...
Exactly, they ran with with two 218s.
I also read this and was quite confused. This was not mentioned before (I think) and, more importantly, is not prototypical! At least for the last...
Today only the 642 is used. A few years back (probably 5 or so) it was a mix of 642s and 628s. From the announcement, this is what we'll get....
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