Last Checked or Updated
30 August 2025
50022
D423 | 50023
50024
50 023
Photo: K. Connolly - Birmingham New St. 04/04/1978
Loco Specific Information
 
Built By English Electric at The Vulcan Foundry    
Build Number EE 3790 / VF D1161    
To British Rail / To Service 08.05.1968 / 11.05.1968 D423  
TOPS Renumbered Prior 09.12.1973 50023  
Time In Service 22 yeras, 2 months, 28 days 8,124 days  
Engine Hours 9,685    
Nameplate Revenge Fitted 17.05.1978
 

 

First Noted Working Found
 
       
 

 

Works & Exam History
 
1 Light Repair Entry xx.xx.xxxx / Release 26.03.1971 ZC Crewe Works
2 Intermediate Entry Prior 21.10.1973 / Release 18.12.1973 ZC Crewe Works
3 Light Repair Entry 05.12.1976 / Release 18.12.1976 ZC Crewe Works
4 Refurbishment Entry 11.04.1980 / Release 10.08.1980 ZF Doncaster Works
5 Intermediate Entry xx.xx.xxxx / Release 18.02.1985 ZF Doncaster Works
       

 

Last known working before and after a repair
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Last Working
 
       
 

 

Post Service
 
Withdrawn 17.10.1990    
Condemned 20.09.1990    
Cut Up 12.06.1992 At C F Booth, Rotherham
 

 

Identification Markings & Notes
 
 
 
 
 

Allocations / Sectors
 
Date Area / Depot Depot Code Time Spent at Depot
       
08.05.1968 Allocated to Crewe Diesel CD  
11.05.1974 Bristol Bath Road BR  
08.05.1976 Reallocated to Laira LA  
03.1983 Reallocated to Old Oak Common OC  
07.1990 Reallocated to Laira LA  
       
  Sector Code   Sector
       
05.1987 NXXA   Network SouthEast
30.09.1988 NWRA   Network SouthEast - Thames & Chiltern
12.07.1990 NWXC   Network SouthEast - West of England Reserve
13.08.1988 DCWA   Departmental Western Region
       

Liveries
 
Date From   Notes
     
08.05.1968 Standard British Rail Blue  
08.1980 Hybrid livery  
09.1980 Large Logo British Rail Blue, Grey Roof  
  Large Logo British Rail Blue, Black and Blue Roof  
  Network South East Original, Blue, Red, White, Light Grey  
  Network South East Revised, Dark Blue  
     
     
     

Photos
 
Standard British Rail Blue Nameplate
 
Photo: