The Class 122s were built mainly for use on the London Midland Region of British Railways, although some were also used in Scotland. They were used on a variety of lightly used lines, many of which were closed during the Beeching Axe in the 1960s including the ex- LSWR lines in West Devon and North Cornwall. [ 6 ]

The British Rail Class 122 diesel multiple units were built by Gloucester RC&W in 1958. Twenty single-car driving motor vehicles, called "Bubble Cars", were built, numbered 55000-55019. These were supplemented by ten trailer vehicles, numbered 56290-299 (later renumbered 54290-299).

Dapol’s ‘OO’ Class 122. 25th May 2022. As the last BR diesel railcars are retired from passenger service by Chiltern Railways in 2017, BEN JONES takes a close look at Dapol’s long-awaited new model of the Gloucester RCW variant of the popular ‘bubble cars’.

Details about preserved Class 122s can be found here. Thanks to Chris Foren and Alan Rintoul for additional information.

The British Rail Class 122 diesel mechanical multiple units were built by Gloucester RC&W in 1958. Twenty single-car, double-ended driving motor vehicles, nickn...

The British Rail Class 122 diesel mechanical multiple units were built by Gloucester RC&W in 1958. Twenty single-car, double-ended driving motor vehicles, nicknamed "Bubble Cars", were built...

Class 122 Gloucester RCW Single Car. Gloucester Railway Carriage and Wagon Co. Ltd. built twenty of these single car multiple units to a BR Derby design in 1958 for the London and Birmingham areas of the Western Region. They were allocated the TOPS Class of 122 and along with the Pressed Steel Class 121's, were nicknamed 'bubble cars'.

Home / Rolling stock / Diesel Multiple Units / Class 122 Twenty of these single car railcars were built in the late 1950s for branch lines in the Western, London Midland and Scottish Regions of British Rail [1].

The British Rail Class 122 diesel mechanical multiple units were built by Gloucester RC&W in 1958. Twenty single-car, double-ended driving motor vehicles, nicknamed "Bubble Cars", were built, numbered 55000–55019.

Built by Gloucester C&W, these vehicles are very similar to the Class 116 in construction, but are single units with two cabs. Initially in the 1990's, more Class 122s were preserved than Class 121s due to the latter’s extended use in departmental roles, along with the modifications that went with those roles - however the 121's later grew in ...