Loco Specific Information
Built By	English Electric at The Vulcan Foundry
Build Number	EE 3795 / VF D1166
To British Rail / To Service	31.05.1968 / 08.06.1968	D425
TOPS Renumbered	15.02.1974	50025
Time In Service	21 years, 2 months, 14 days	7,745 days
Engine Hours	4,137
Nameplate	Invincible	Fitted	06.06.1978

 

First Noted Working Found

 

Works & Exam History
1	Light Repair	Entry Prior 14.03.1971 / Release 03.04.1971	ZC	Crewe Works
2	Light Repair	Entry Prior 23.04.1972 / Release Prior 11.06.1972	ZC	Crewe Works
3	Intermediate	Entry Prior 19.05.1974 / Release 13.08.1974	ZC	Crewe Works
4	Light Repair	Entry Prior 08.04.1973 / Release Prior 20.05.1973	ZC	Crewe Works
5	Light Repair	Entry Prior 08.06.1975 / Release Prior 20.09.1975	ZC	Crewe Works
6	Intermediate	Entry Prior 10.06.1979 / Release 08.09.1979	ZF	Doncaster Works
7	Refurbishment	Entry 08.02.1982 / Release 02.08.1982	ZF	Doncaster Works
8	Major F Exam	Entry xx.xx.xxxx / Release 23.02.1987	LA	Laira Depot

 

Last Known Working Before and After a Repair
1
1
2
2
3
3
4
4
5
5
6
6

 

Last Working

 

Post Service
Withdrawn	06.08.1989
Condemned	14.08.1989		Derailment
Cut Up	10.1989	At	Old Oak Common by Vic Berry

 

Identification Markings & Notes

Allocations / Sectors
Date	Area / Depot	Depot Code	Time Spent at Depot
31.05.1968	Allocated to Crewe Diesel	CD
04.05.1974	Reallocated to Bristol Bath Road	BR
11.12.1976	Reallocated to Laira	LA
03.1983	Reallocated to Old Oak Common	OC
	Sector Code		Sector
05.1987	NXXA		Network SouthEast
30.09.1988	NWRA		Provincial

Liveries
Date From	Livery	Notes
31.05.1968	Standard British Rail Blue
08.1982	Large Logo British Rail Blue, Grey Roof
	Network South East Original, Blue, Red, White, Light Grey

Damage / Accidents
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.

Photos
Standard British Rail Blue	Nameplate
Photo: