They both passed to the Great Western Railway (GWR) in July 1922, which assigned them to Diagram A114 and renumbered them 2194 Kidwelly and 2195 Cwm Mawr. They were sent to Swindon for overhaul in July 1923 and November 1922, but did not return to traffic until February 1926.
In July 1922, the locomotives were transferred to the Great Western Railway (GWR) and assigned to Diagram A114, receiving new numbers 2194 Kidwelly and 2195 Cwm Mawr. They underwent overhauls at Swindon in July 1923 and November 1922 but did not return to service until February 1926.