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Last Checked or Updated
08 June 2026 |
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| Photo: K. Connolly - Crewe Works 15/12/1974 |
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Loco Specific Information
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| Built By |
English Electric at The Vulcan Foundry |
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| Build Number |
EE 3795 / VF D1166 |
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| To British Rail / To Service |
31.05.1968 / 08.06.1968 |
D425 |
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| TOPS Renumbered |
15.02.1974 |
50025 |
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| Time In Service |
21 years, 2 months, 14 days |
7,745 days |
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| Engine Hours |
4,137 |
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| Nameplate |
Invincible |
Fitted |
06.06.1978 |
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First Noted Working Found
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| Friday |
07 June 1968 |
Inverness - Edinburgh |
R.O. 474 p295 |
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| Works History & Service Working (Before & After) |
| 1 — Crewe Works (1971) |
| 1 |
| Before |
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| Works |
Light Repair |
Entry Prior 14.03.1971 / Release 03.04.1971 |
| After |
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| 2 — Crewe Works (1972) |
| 2 |
| Before |
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| Works |
Light Repair |
Entry Prior 23.04.1972 / Release Prior 11.06.1972 |
| After |
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| 3 — Crewe Works (1973) |
| 3 |
| Before |
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| Works |
Light Repair |
Entry Prior 08.04.1973 / Release Prior 20.05.1973 |
| After |
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| 4 — Crewe Works (1974) |
| 4 |
Before |
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| Works |
Intermediate |
Entry Prior 19.05.1974 / Release 13.08.1974 |
| After |
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| 5 — Crewe Works (1975) |
| 5 |
| Before |
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| Works |
Light Repair |
Entry Prior 08.06.1975 / Release Prior 20.09.1975 |
| After |
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| 6 — Doncaster Works (1979) |
| 6 |
| Before |
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| Works |
Intermediate |
Entry Prior 10.06.1979 / Release 08.09.1979 |
| After |
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| 7 — Doncaster Works (1982) |
| 7 |
| Before |
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| Works |
Refurbishment |
Entry 08.02.1982 / Release 02.08.1982 |
| After |
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| 8 — Laira Depot (1987) |
| 8 |
| Before |
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| Works |
Major F Exam |
Entry xx.xx.xxxx / Release 23.02.1987 |
| After |
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| Last Passenger Duty (PD) / Last Working (LW) |
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| PD |
Sunday |
06.08.1989 |
1F87 21:15 Oxford - Paddington |
| LW |
Sunday |
06.08.1989 |
1F87 21:15 Oxford - Paddington |
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Post Service
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| Withdrawn |
06.08.1989 |
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| Condemned |
14.08.1989 |
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Derailment |
| Cut Up |
10.1989 |
At |
Old Oak Common by Vic Berry |
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Identification Markings & Notes
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Allocations / Sectors
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| Date |
Area / Depot |
Depot Code |
Time Spent at Depot |
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| xx.06.1968 |
Allocated to London Midland Western Lines |
LMWL |
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| xx.06.1968 |
Allocated to London Midland Stoke Division |
D05 |
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| x.05.1973 |
Allocated to Crewe Diesel |
CD |
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| 04.05.1974 |
Reallocated to Bristol Bath Road |
BR |
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| 11.12.1976 |
Reallocated to Laira |
LA |
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| 03.1983 |
Reallocated to Old Oak Common |
OC |
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Sector Code |
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Sector |
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| 05.1987 |
NXXA |
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Network SouthEast |
| 30.09.1988 |
NWRA |
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Provincial |
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Liveries
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| Date From |
Livery |
Notes |
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| 31.05.1968 |
Standard British Rail Blue |
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| 08.1982 |
Large Logo British Rail Blue, Grey Roof |
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Network South East Original, Blue, Red, White, Light Grey |
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Damage / Accidents
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| 06.08.1989 |
50025 Invincible was heading at high speed with the 21:15 Oxford to Paddington service when it struck a section of rail deliberately laid across the track by vandals.
It derailed and travelled for half a mile, ripping up track before turning on its side. There were no fatalities or serious injuries. 50025 was written off.
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Photos
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| Standard British Rail Blue |
Nameplate |
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| Photo: |
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