NFS-D ballast distribution hopper DR92247 at the end of a rake of wagons. These wagons have a conveyor which carries ballast up to the far end then drops it into the next wagon so that it cna reach the ballast cleaner in the centre of the train. It is seen at Fairwater Yard in Taunton.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>