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British Rail Classes 485 and 486

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British Rail Class 485
British Rail Class 486
485045 at Shanklin.
In service1923 - 1964 on London Underground
1967 - 1992 on Island Line
ManufacturerMetro Cammell, Union Construction Company, Cammell Laird
Family nameTube
SuccessorClass 483
Formation
  • 4 cars per trainset (4-VEC)
  • 3 cars per trainset (3-TIS)
  • DMBSO+TSO+TSO+DMBSO (4-VEC)
  • DMBSO+TSO+DTSO (3-TIS)[1]

  • 5 cars per trainset (5-VEC from 1985)
  • 2 cars per trainset (2-TIS from 1985)
  • DMBSO+TSO+TSO+TSO+DMBSO (5-VEC from 1985)
  • DMBSO+DTSO (2-TIS from 1985)[2]
Diagram
  • EB261 (DMBS, 485, 486)
  • EB262 (DMBS, 485)
  • EE260 (DTS, 485, 486)
  • EH261 (TS, 485, 486)[3]
Capacity
  • 132 seats (4-VEC)
  • 106 seats (3-TIS)
Operator(s)Network SouthEast
Specifications
Maximum speed45 mph (72 km/h)[4]
Weight
  • 94 t (93 long tons; 104 short tons) (4-VEC, set)
  • 65 t (64 long tons; 72 short tons) (3-TIS, set)
  • 32 t (31 long tons; 35 short tons) (MBSO)
  • 19 t (19 long tons; 21 short tons) (TSO)
  • 17 t (17 long tons; 19 short tons) (DTSO)[1][4]
Electric system(s)660 V DC 3rd rail[5]
Track gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge

The British Rail Class 485 (or 4Vec) and British Rail Class 486 (or 3Tis) electrical multiple units were originally built for the London Electric Railway from 1923-31 as their 'Standard' tube stock. They were purchased by British Rail in 1967 and transported to the Isle of Wight to work 'mainline' services on the newly electrified Ryde to Shanklin line. At the time the units had already worked for over forty years on the London Underground, but their introduction allowed the final steam locomotives on the line to be withdrawn.

References[change | change source]

  1. ↑ 1.0 1.1 "Class 485, 486 - 4VEC, 3-TIS". The Railway Centre. Archived from the original on 17 July 2012.{{cite web}}: CS1 maint: unfit URL (link)
  2. ↑ "Southern E-Group - Class 485 and 486". Archived from the original on 8 April 2008. Retrieved 2 April 2008.
  3. ↑ Vehicle Diagram Book No. 210 for Electric Multiple Units (Including A.P.T.) (PDF). Derby: British Railways Board. 1981. EB261, EB262, EE260, EH261. Archived from the original (PDF) on 3 March 2016. Retrieved 18 February 2016 – via Barrowmore MRG.
  4. ↑ 4.0 4.1 Fox 1987, p. 92
  5. ↑ "Route Specifications 2016 Wessex" (PDF). Archived (PDF) from the original on 6 May 2021. Retrieved 4 April 2021.
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