Rolling stock › In serviceData updated
Class 20
Class 20: a diesel-electric locomotive (Bo-Bo (UIC Bo'Bo')), built by English Electric, Vulcan Foundry and Robert Stephenson and Hawthorns, 1957-1962; 1965-1968. A freight locomotive: not drawn yet (set FRT).
Drawing to come
- Type
- diesel-electric locomotive
- Builder
- English Electric, Vulcan Foundry and Robert Stephenson and Hawthorns
- Built
- 1957-1962; 1965-1968
- In service
- since 1957
- Top speed
- 75 mph (121 km/h)
- Power
- 746 kW (1,000 hp); English Electric 8SVT Mk.II diesel; EE 526 DC motors · how it works
- Profile
- main-line
- Status
- Few in freight/industrial use: HNRC/Swietelsky (Hope Cement Works), Balfour Beatty (Drain Train). Infobox '6 in service' is undated.
unverified Some of these figures haven’t yet been checked against an official source or a published history. What’s in doubt ↓
Sources
How we source figures → · Spotted a mistake? Tell us → (opens in a new tab)
- British Rail Class 20 Wikipedia (secondary; must be paired), 2026-10-25infobox
- Locomotive Services Limited Wikipedia (secondary; must be paired), 2026-10-25LSL owns four (heritage)
unverified
- Wikipedia gives pivot centres 24 ft 0 in (7,320 mm) and overall wheelbase 32 ft 6 in (9,910 mm); no bogie wheelbase.
- Single secondary source for all dimensions.
- No current count by operator.
- Not drawn: no drawing yet; the dimensions are in freight_data and their sources in dimension_sources (set FRT, October 2026)
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