D5185/25035 at GCR Autumn Diesel Gala 04-9-2022

D5185 / 25035 at the Sept 2022 Autumn Diesel Gala Great Central Railway.
Having a good blast prior to overhaul.
Bit of background the loco;
The twenty three year ten month career of D5185/25035 was similar to that of D5184/25034 with allocations to depots on the London Midland, Eastern & Scottish Regions. D5185 was the last of a batch of 35 built by Darlington Works delivered between April 1961 & May 1963. Darlington would continue with the batch transferred from Derby (D5223 - D5232, delivered July 1963 - November 1963).
Built: BR Darlington Locomotive Works.
Boiler equipped.
Boiler water tank fitted with circular gauge from new.
Royal Train cabling modification (cab front circular access point).
Dual brake fitted (July 1978).
Center lampbracket & other fittings removed (1978).
Angled strip at bottom of cab doors (1978).
Named, unofficial: Castell Dinas Bran (1986/1987).
Time between last Classified repair and withdrawal: 104 months.
The Class 25 with the 2nd longest time in service (23 years & 289 days).
Oldest preserved Class 25.