On paper, buses transferred from South Shields to Sunderland this morning (Sunday 23rd June) were the four X34 operating Dennis Enviro 400 (19641-44), the fifteen Economic operating Dennis Enviro 300s (27726-40) and four MAN Enviro 200s (39715-18, a couple have yet to make it).
A mix of Sunderland E200 have operated Economics and 30/X20 services today due to the mid-morning transfer of vehicles, some ex-South Shields E300 did make it out onto Economics later in the day (27733/34/35).