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Record: 10235 (26/09/2023)
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Numbers Carried
Type Number Date From Notes
Pre TOPS (Pre Tops) D5173 17/03/1962  
TOPS (Tops) 25023 02/1974  

Locomotive Specifics
Class as Built 25
Subclass/Rebuild History
ClassFrom
25/017/03/1962
Wheels Bo-Bo
Builder Darlington Works
To Service 17/03/1962 to Thornaby (51L)
Withdrawn 28/09/1980
Time in Service 18 yrs, 6 mths , 11 dys
Cut Up 02/04/1983
Cut At Locomotive Works (Swindon)
Status Scrapped

Liveries Carried - WIP
Code Colour Date From
BFYE BR Blue bodywork, full yellow cab front by 10/1969

Allocations - WIP
Code Subsequent Codes Name From Date
51L   Thornaby (New) on 17/03/1962
55A   Holbeck (MR) 4w/e 08/10/1966
52A   Gateshead w/e 12/08/1972
41A   Tinsley w/e 07/10/1972
ED   Eastfield w/e 01/02/1976
     Withdrawn on 28/09/1980

Modifications - WIP
Date Modified Order Number Modification Status Charged to Capital Charged to Revenue Total Cost
by 15/02/1969   Steam heat boiler removed        
by 30/10/1970   EQ Brakes Added        
by 05/12/1970   EQ Brakes Added        
by 12/1974   Snowplough brackets fitted        
by 12/1974   Fitted with Modified Triple Valve (MTV) Brakes        

Configuration - WIP
Date Configuration Description Additional Diagram Source
17/03/1962 vb Vacuum brakes, Steam heat      
by 15/02/1969 vo Vacuum brakes, No heat      
by 30/10/1970 vo Vacuum brakes, No heat EQ Brakes    
by 05/12/1970 vo Vacuum brakes, No heat Modified Triple Valve & EQ Brakes    
by 12/1974 vo Vacuum brakes, No heat Modified Triple Valve & EQ Brakes    

Components
Fitted Component Details Removed Reason Removed
17/03/1962 Power Unit VA484    


Summary
Start Event Details Source See Also
17/03/1962 To Service To service as British Railways number D5173
Built at Darlington Works
Allocated to Thornaby (51L)
   
08/10/1966 Allocation Reallocated to Holbeck (MR) (55A)    
15/02/1969 Modification Modification: Steam heat boiler removed    
10/1969 Livery Change of livery to BR Blue bodywork, full yellow cab front    
30/10/1970 Modification Modification: EQ Brakes Added    
05/12/1970 Modification Modification: EQ Brakes Added    
12/08/1972 Allocation Reallocated to Gateshead (52A)    
07/10/1972 Allocation Reallocated to Tinsley (41A)    
02/1974 Renumbered Renumbered to 25023    
12/1974 Modification Modification: Fitted with Modified Triple Valve (MTV) Brakes    
12/1974 Modification Modification: Snowplough brackets fitted    
01/02/1976 Allocation Reallocated to Eastfield (ED)    
28/09/1980 Withdrawn Condemned as 25023    
02/04/1983 Scrapped Broken up by Locomotive Works: Swindon    

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