(07 Apr 2014, 2:03 pm)gtom wrote Forgive me if I've missed it but are the ex WTX vehicles just direct cover replacements for the other withdrawn B10s
4906-09 are direct replacements for 4837-39 and 4844 at Chester-le-Street.
4848/49 have been withdrawn without replacement, and I think the same will apply for 4847 too.
I predict the same will apply for the two remaining Olympians at Percy Main also.