Direct Rail Services' 37609 at Moorswater on the Loe Valley line. It has just been detached from its excursion train, leaving two other Class 37s to work it 'top and tail' to Looe.
<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>