I remember a 101/121 hybrid set (101 Motor Brake Composite, 121 Driving Trailer) in the last years before Turbofication.
I believe the DMBC was 53155 and was a one-off conversion from a DMBS. I don't know the identity of the 121 driving trailer. They were together as a "L" numbered unit for a while. I'm certain I travelled on it on the Marlow branch sometime in the early 90s.
Bachmann announce Class 117 and Class 121 at Collectors Club event
in Bachmann
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I believe the DMBC was 53155 and was a one-off conversion from a DMBS. I don't know the identity of the 121 driving trailer. They were together as a "L" numbered unit for a while. I'm certain I travelled on it on the Marlow branch sometime in the early 90s.