 As of 1956, 218 Swing Door carriages were rostered for regular use (in conjunction with 584 Tait carriages).At the time 282 Swing Door vehicles were available, after accounting for 18M and 44M converted to Tait, three trailers returned to steam-hauled use, 122M and 123M withdrawn 1956, 156M permanently allocated to Jolimont Yard and 157M in use as a parcels van.These could be divided into three main groups - St Kilda and Port Melbourne, Box Hill, and Clifton Hill, plus a handful of additional vehicles.