in departmental service. 3Cop unit 1401 was employed as depot shunter at Ashford Chart Leacon depot. However, it was made redundant when Chart Leacon stopped overhauls of slam-door stock and was sent for scrap in July 2005. MBS 62356 (ex-unit 1850) was converted into an ultrasonic test train vehicle for use by Network Rail. It has been renumbered 999606. The rest of unit 1850, namely DTC 76629, TS 71036 and DTC 76789, were retained by Network Rail to provide spares for 999606 but have now been scrapped by C.F. Booth in Rotherham. One vehicle, no. 76112 from 'Phase 1' 4Cig unit 1749, was rebuilt as the Class 424 "Networker Classic" prototype in 1997. It was displayed to the public at London Victoria, paired with unrebuilt driving trailer 76747 from 4Big unit 2256, for comparison purposes. The project was shelved and the vehicle was scrapped in early 2012. DTCSoL vehicles 76765 and 76836 (from 1882) plus 76775 and 76846 (from 1890) were released recently by HSBC from Shoeburyness for parts stripping at Derby RTC, after which they went to C.F. Booth. Preservation Only two units have been preserved in addition numerous buffet cars from 4Big units have also been preserved. The full list is shown below, with complete units highlighted: 'Phase 1' unit 1753 has been preserved by the Network SouthEast Railway Society and is stored at Nemesis Rail, Burton Upon Trent. 'Phase 2' unit 1497 is preserved on the Spa Valley Railway. Former preserved CIGs include: 'Phase 2' unit 1304, Scrapped by the Brighton Belle Preservation Trust. 'Phase 2' "Greyhound" unit 1392, scrapped by the Brighton Belle Preservation Trust. (MBSO in extremely stripped condition survives as a shell) 'Phase 2' "Greyhound" unit 1393, scrapped by the Great Central Railway, MBSO in use with Network Rail. 'Phase 2' "Greyhound" unit 1399, partially component recovered by owner in 2016 to provide spares float for "4-VOP" Unit 3905 and other projects. Unit was used in filming of 'Last Passenger' 'Phase 2' unit 1498, exported to Ireland for use as 'Glamping' accommodation. 'Phase 2' unit 1499, Scrapped by the Dean Forest Railway. 'Phase 2' unit 1881, Scrapped by the Brighton Belle Preservation Trust. (One DTS remains at Barrow Hill) 'Phase 2' unit 1884, Scrapped by the Brighton Belle Preservation Trust No Greyhound Units survive. No 8MIG or 8DIG units survive. Preserved units Fleet details Original-condition Units Facelifted units Diagrams References Further reading 421 Train-related