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Last Checked or Updated
10 September 2026
D426 | 50026 Indomitable
Photo: K. Connolly - Crewe Depot 30/06/1973
Loco Specific
Allocations & Sectors
Liveries
Damage & Accidents
Preservation
Photos
Loco Specific Information
Built By
English Electric at The Vulcan Foundry
Build Number
EE 3796 / VF D1167
To British Rail / To Service
12.06.1968 / 22.06.1968
D426
TOPS Renumbered
15.02.1974
50026
Time In Service
22 years, 5 months, 29 days
8,217 days
Engine Hours
8,039
Nameplate
Indomitable
Fitted
29.03.1978
First Noted Working Found
Works History & Service Working (Before & After)
1 — Crewe Works (1970)
1
Before
Works
Light Repair
Entry Prior 27.09.1970 / Release 29.09.1970
After
2 — Crewe Works (1972)
2
Before
Works
Light Repair
Entry 12.12.1971 / Release 22.01.1972
After
3 — Crewe Works (1974)
3
Before
Works
Intermediate
Entry Prior 23.06.1974 / Release 11.10.1974
After
4 — Crewe Works (1976)
4
Before
Works
Light Repair
Entry Prior 31.10.1976 / Release Prior 05.12.1976
After
5 — Doncaster Works (1979)
5
Before
Works
Intermediate
Entry Prior 25.03.1979 / Release 02.06.1979
After
6 — Doncaster Works(1982)
6
Before
Works
Refurbishment
Entry 02.07.1982 / Release 06.12.1982
After
7 — Laira Depot (1987)
7
Before
Works
Major F Exam
Entry xx.xx.1986 / Release 02.10.1986
After
Last Passenger Duty (PD) / Last Working (LW)
PD
Monday
05.11.1990
1V09 09:15 Waterloo - Exter St Davids
LW
Monday
05.11.1990
1V09 09:15 Waterloo - Exter St Davids
Post Service
Withdrawn from Service
05.11.1990
Condemned (Withdrawn)
11.12.1990
Engine
Preservation
Identification Markings & Notes
Allocations / Sectors
Date
Area / Depot
Depot Code
Time Spent at Depot
xx.06.1968
Allocated to London Midland Stoke Division
D05
xx.05.1973
Allocated to Crewe Diesel
CD
11.05.1974
Reallocated to Laira
LA
04.1982
Reallocated to Old Oak Common
OC
07.1990
Reallocated to Laira
LA
Sector Code
Sector
05.1987
NXXA
Network SouthEast
30.09.1988
NWRA
Provincial
20.05.1990
NWXA
Network SouthEast - West of England
Liveries
Earliest Noted
Latest Noted
Livery
Notes
12.06.1968
02.07.1982
Original BR Blue
00.12.1982
03.11.1984
BR Blue Large Logo Grey Roof
00.10.1986
02.09.1990
Original Network SouthEast
Damage / Accidents
Preservation
Preserved By
Class 50 Alliance
At
Kidderminster, Severn Valley Railway
Photos
Standard British Rail Blue
Nameplate
Photo: