Loco Specific Information
Built By	English Electric at The Vulcan Foundry
Build Number	3819 / D1190
To British Rail / To Service	11.12.1968 / 11.12.1968	D449
TOPS Renumbered	15.02.1974	50049
	07.10.1987	50149	Freight use with re-geared bogies.
	22.02.1989	50049
Time In Service	22 years, 7 months, 21 days	8,268 days
Engine Hours	7,462
Nameplate	Defiance	Fitted	02.05.1978

 

First Noted Working Found

 

Works & Exam History
1	Acceptance	Entry xx.11.1968 / Release xx.12.1968	ZC	Crewe Works
2	Light Repair	Entry Prior 27.06.1971 / Release 14.08.1971	ZC	Crewe Works
3	Light Repair	Entry Prior 31.10.1971 / Release Prior 12.12.1971	ZC	Crewe Works
4	Intermediate	Entry After 22.09.1974 / Release 29.01.1975	ZC	Crewe Works
5	Intermediate	Entry Prior 25.03.1979 / Release 26.03.1979	ZF	Doncaster Works
6	Refurbishment	Entry 17.01.1983 / Release 28.05.1983	ZF	Doncaster Works
7	Major F Exam	Entry xx.xx.xxxx / Release 07.10.1987	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Withdrawn	01.08.1991
Condemned	16.08.1991

 

Identification Markings & Notes

Allocations / Sectors
Date	Area / Depot	Depot Code	Time Spent at Depot
11.12.1968	Allocated to Crewe Diesel	CD
11.05.1974	Reallocated to Bristol Bath Road	BR
07.04.1977	Reallocated to Laira	LA
	Sector Code		Sector
05.1987	PXXA		Provincial
10.07.1988	DXXD		Departmental
23.04.1988	FTLL		Railfreight Chemicals
22.01.1989	DCWA		Departmental Western Region
22.02.1989	NSSA		Network SouthEast - Solent & Sarum
20.05.1990	NWXA		Network SouthEast - West of England

Liveries
Date From		Notes
11.12.1968	Standard British Rail Blue
05.1983	British Rail Blue Large Logo with Grey Roof
	British Rail Blue Large Logo with Black Roof
	Network South East Revised, Light Blue
	Railfreight Distribution Grey

Preservation
Preserved By	Class 50 Alliance	At	Severn Valley Railway

Photos
Standard British Rail Blue	Nameplate
Photo: