GWR 4073 Class 5051 Earl Bathurst

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GWR 5051 Drysllwyn Castle
GWR 7029 Clun Castle and 5051 Drysllwyn Castle on The Great Western Limited 150 (5).jpg
5051 Drysllwyn Castle & 7029 Clun Castle at Plymouth in 1985 while working "The Great Western Limited" railtour.
Type and origin
Power type Steam
Designer Charles Collett
Builder GWR Swindon Works
Build date May 1936
 • Whyte 4-6-0
Gauge 4 ft 8 12 in (1,435 mm)
Leading dia. 3 ft 2 in (0.965 m)
Driver dia. 6 ft 8 12 in (2.045 m)
Length 65 ft 2 in (19.86 m) over buffers
Width 8 ft 11 in (2.718 m)
Height 13 ft 1 in (3.988 m) (Cut back from 13 ft 4 12 in (4.077 m))
Loco weight 79 long tons 17 cwt (178,900 lb or 81.1 t)
89.4 short tons full
Tender weight 47 long tons 6 cwt (106,000 lb or 48.1 t)
53.0 short tons full
Fuel type Coal
Fuel capacity 6 long tons 0 cwt (13,400 lb or 6.1 t)
6 long tons 0 hundredweight (6.10 t; 6.72 short tons)
Water cap 4,000 imp gal (18,000 l; 4,800 US gal)
 • Firegrate area
29.36 sq ft (2.728 m2)
Boiler GWR Standard Number 8
Boiler pressure 225 lbf/in2 (1.55 MPa)
Heating surface:
 • Tubes
1,857.7 sq ft (172.59 m2) (Collett)
1,799.5 sq ft (167.18 m2) (Hawksworth)
 • Firebox 162.7 sq ft (15.12 m2) (Collett)
163.5 sq ft (15.19 m2) (Hawksworth)
Cylinders Four (two inside, two outside)
Cylinder size 16 in × 26 in (406 mm × 660 mm)
Valve gear Inside cylinders: Walschaerts
Outside cylinders: derived from inside cylinders via rocking bars.
Valve type Piston valves
Loco brake Vacuum
Performance figures
Tractive effort 31,625 lbf (140.68 kN)
Operators Great Western Railway
British Railways
Power class GWR: D
BR: 7P
Axle load class GWR: Red
Withdrawn May 1963
Current owner Didcot Railway Centre
Disposition Static Display

5051 Drysllwyn Castle is a railway locomotive, built to the Great Western Railway Castle Class design built by the Great Western Railway at Swindon Works in May 1936 and was named after Dryslwyn Castle. She is to date owned by the Didcot Railway Centre.

Service Life[edit]

5051 Was built at Swindon Works in May 1936 and was named after Drysllwyn Castle, she carried this name for the first 18 months of her working life before being renamed to Earl Bathurst in August 1937 (the name coming from a de-named GWR Dukedog Class no 3208/9008), this name she would carry for the rest of her GWR & BR working career. Her original name Drysllwyn Castle would later be applied to classmate no 7018.

She was first allocated to Landore depot in Swansea and was to remain there for her GWR working career as well as most of her BR days until Jun 1961 when she was transferred to Neath (87A). Her final shed allocation was to Llanelly (87F) in Feb 1963 and was to remain there for the remainder of her working career until May 1963 when she was withdrawn from service after completing 1,300,000 miles. She was later sold to Woodham Brothers in Oct of the same year.[1]


The locomotive was bought by John Mynors from the scrap yard and was sold following his death. The locomotive was sold to the Great Western Society at Didcot Railway Centre and left by rail as the 4th departure from Barry in March 1969.

Following her arrival at Barry Scrapyard she was to remain at Barry Island for 5 years until 1969 when she was purchased by the GWS and moved to Didcot by rail for restoration. She was restored to steam in 1979 and was reunited with her original Drysllwyn Castle nameplates, she was also a regular performer in 1985 during the 150th anniversary celebrations of the Great Western Railway.

Her previous working stint saw her return to steam in 1998 following an overhaul at Didcot and she was later returned to mainline service, on one occasion in the summer of 2003 she stood in for 7802 Bradley Manor working the Torbay Express, promoted by Past-Time Rail. (7802 was booked to work the trains from Bristol Temple Meads to Kingswear and return, but on the first train of the season Bradley Manor developed a hot axle box and was unable to haul the next two outings which saw 5051 take the manors place). Compared to the manor which could only run at 60 mph she was able to operate at 75 mph so managed to keep to the timetable without problem. 7802 returned for the 31 August and 7 September trips.[2]

She ran for most of her ticket in lined GWR green with the letters GW on her tender, prior to withdrawal she was later repainted to BR lined green with the early emblem on her tender. Her boiler ticket later expired in 2008 and at present it is unlikely 5051 will be overhauled for a while due to the current ongoing overhaul of GWR 4073 Castle Class 4079 Pendennis Castle that will provide Didcot with an operational castle, and with GWR 6000 King Class 6023 King Edward II currently operational that will provide the centre with two GWR express locomotives in traffic. Alongside this a number of fellow preserved castles are undergoing overhauls.

In preservation she has run with both Collett and Hawksworth tenders, she was paired with a Collett tender following her restoration from scrapyard condition in the 1970s and alongside a brief stint with a Churchward tender following her overhaul in 1998 she was later paired with a Hawksworth tender which she used for her previous boiler ticket. She has now once again been paired with a Collett tender while on display in the Great Western Society's engine shed at Didcot.



  1. ^
  2. ^ Wilcock, David (2003). "Down Main". Steam Railway. 288: 70. 

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