British Rail Class 933

The British Rail Class 933 was reserved for former Southern Region electrical multiple units converted for departmental use. Originally the series was reserved for Mobile Instruction units. In recent years, however, this series appears to have been discontinued.

British Rail Class 933
Operator(s)Network Rail
Specifications
Electric system(s)750 V DC third rail
Track gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge

Career

The Southern Region initially numbered its departmental EMUs in a series between S1 and S101. In 1968, a new series was adopted; 001-099. Existing units were renumbered to fit in that series, which also included other non-passenger stock, i.e. those EMUs converted for parcels traffic. Several of the numbers 001-099 have been reused for different units. When TOPS class numbers were allocated, these units retained their existing numbers as the last three digits of their new TOPS class number. The table below lists the mobile instruction units allocated Class 933:

Key: In service Withdrawn Preserved Reclassified Scrapped
Unit No. Converted Use Former

Class

 Final livery Original Formation Wdn. Status
TOPS SR Series Original DM T T DM
- S10 / 053 (1st) 4579 1956 Mobile Instruction 405 Blue DS40 ex.8564 DS41 ex.9658 - DS42 ex.9817 1974 Scrapped (1976)
- 055 4367 1973 Mobile Instruction 405 Blue 975319 ex.10919 975320 ex.10171 975321 ex.11470 975322 ex.10920 1985 Scrapped (1987)
- 998 6310/5532/5439 1990 Mobile Instruction 415/416 Blue 977702 ex.14574 977703 ex.15013 977704 ex.15160 977705 ex.14487 1991 Scrapped (1991)
- 999 6292/6287/6283/6284 1990 Mobile Instruction 416 Blue 977688 ex.77111 977689 ex.77106 977690 ex.77102 977691 ex.77103 1992 Scrapped (1992)
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