The predominant train on West of England services from London Waterloo to Exeter St Davids is the three-car class 159 but the less powerful two-car class 158s are also used from time to time. Here we see 158883 and 159006 which have just arrived at Exeter.
<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>