Class 31 - 31418 BR Blue Irish Outline revised DRS control desk and

revised DRS control desk and centre cab partition

before renumbering as AD 3031 in 1967 and ARMY 5301 in 1968

Over the last two decades it has been slowly restored to 1970-80s condition at the group’s base at Swanwick Junction and is expected to be completed within the next few years

All important lighting functions are available

Class 31 - 31418 BR Blue Irish Outline revised DRS control desk and31418 BR Blue Between 1971 and 1975, 24 Class 31s were upgraded with electric train heating capability (ETH) courtesy of a 320kW Brush BL100 30 alternator, the same as fitted to the similarly modified Class 45 1 Peaks and Class 47 4s. Powered directly from the engine, this provided an impressive ETH index rating of 66, perfect for their expected duties shuttling empty coaching stock (ECS) in and out of Kings Cross, Paddington and St. Pancras as well