They all passed to the London and North Eastern Railway at the 1923 grouping and received the LNER classification Y4.

These locomotives had 17-by-20-inch (432 by 508 mm) outside cylinders driving 3-foot-10-inch (1.168 m) wheels.

From 1914 two of the class worked the Globe Road & Devonshire Street goods yards.

At nationalisation in 1948, British Railways added 60000 to their numbers.

In 1952, number 68129 was transferred to the Service (departmental) list and renumbered 33.