British Rail Class 405

Under the British Rail TOPS computer system, Class 405 was allocated to surviving examples of the Southern Railway 4-Sub Class electric multiple units built between 1941 and 1951. Details of the origins and history of that class are found in the SR Class 4Sub article.

British Rail Class 405
4101 (prototype) in 1941
In service1941-1983
ManufacturerSR Eastleigh
Number built185 sets
Formationpower car + 2 trailer cars + power car
Operator(s)Southern Railway and British Railways
Specifications
Maximum speed75 mph (121 km/h)
WeightDMBS - 39–43 long tons (40–44 t; 44–48 short tons)
Traction motorsFour
Power outputEarly units: 4 x 275 hp (205 kW)
total 1,100 hp (820 kW)
Later units: 4 x 250 hp (190 kW)
total 1,000 hp (750 kW)
Braking system(s)Air (Westinghouse)

History

179 out of the 184 new units constructed between 1946 and 1951 were still surviving at the introduction of the TOPS computer system in the early 1970s,[1] but were expected to have limited working lives. All surviving units were allocated to Class 405, but divided into two sub-classes. Sub-class 405/1 included the former Southern Railway sets numbered between 4112 and 4387, and sub-class 405/2 included the former British Railways sets built after 1949 and numbered between 4601 and 4754.[2] All had been withdrawn by 1983.

Preservation

Class 405/2 unit number 4732 is currently Stored at the Locomotive Stored Ltd, Westwood, Margate. [3] [4]

Unit number
(current in bold)		 DMBSO TO TT DMBSO Built Livery Location
- 4732 - 12795 12354 10239 12796 1954 Eastleigh Southern Green Locomotive Storage Ltd, Westwood, Margate

References
  1. Williams and Percival (1973).
  2. Williams and Percival (1973).
  3. https://theisleofthanetnews.com/2018/06/07/locomotive-storage-ltd-in-margate-welcomes-the-only-surviving-4732-4-sub-unit/
  4. https://theisleofthanetnews.com/2018/06/18/last-coach-for-only-surviving-4-sub-unit-arrives-in-margate/

Further reading
  • Beecroft, Gregory; Rayner, Bryan; Brown, David (March 1984). "Objects all sublime". Rail Enthusiast. EMAP National Publications. pp. 10–14. ISSN 0262-561X. OCLC 49957965.
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