The West Somerset Railway's class 04 shunter D2271 has had its engine removed for overhaul. When it is returned it will be fitted into class 03 D2382 as that sees more use, and the 03's identical engine will be fitted into the 04 which is kept as a spare locomotive.
<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>