British Rail Class 306

British Rail Class 306
The preserved Class 306 train (unit 017) as seen on the launch day of Network SouthEast. This view also shows the carriage which was not modified when the trains were converted from the dc to ac power supply system.

View of the former Motor Brake Second Open (MBSO) vehicle showing the modified (raised) roofline above the cab when the pantograph was relocated to the centre carriage.

A side view of the centre carriage showing the relocated pantograph and the guards' section below.

The British Rail Class 306 was a type of electric multiple unit (EMU) introduced in 1949. It consisted of 92 three-car trains which were used on newly electrified suburban lines between Shenfield and London Liverpool Street.