British Rail Class 122

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).

British Rail Class 122
55006 at Bewdley.JPG
Class 122, No. 55006, at Bewdley on the Severn Valley Railway on 15 October 2004, whilst taking part in the Railcar 50 event. This unit is painted in original BR Green livery, and is preserved on the Ecclesbourne Valley Railway.
In service1958- 1995
ManufacturerGloucester RC&W
Family nameBubble Car
Number built21
Formation1 car per trainset
OperatorBritish Rail
Specifications
Car length64 ft 6 in
Width9 ft 3 in
Height12 ft 8 1/8 in
Maximum speed70 mph (112 km/h)
Weight36 tons 10 cwt