JSU720 Bedford A5S Miles ex Hertsused to tow buses apparently. This is a new reg plate and not original.
heritagemachines.com/commercials/silver-fire-engines/
Courtesy Geoff Pritchard collection acquired via the Fire Brigade Society.
must be ex Herts?

Picture added on 22 November 2022 at 16:41
Added by Petros on 02 December 2022.