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Specifications
Specifications
Configuration:;
• Whyte	2-8-0
• UIC	1'D h2
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	4 ft 7+1⁄2 in (1.410 m)
Minimum curve	7 chains (460 ft; 140 m) normal,; 6 chains (400 ft; 120 m) slow
Length	63 ft 2+1⁄4 in (19.26 m)
Width	8 ft 11 in (2.718 m)
Height	13 ft 0 in (3.962 m)
Axle load	17 long tons 0 cwt (38,100 lb or 17.3 t); (19.0 short tons) full
Adhesive weight	67 long tons 0 cwt (150,100 lb or 68.1 t); (75.0 short tons) full
Loco weight	76 long tons 5 cwt (170,800 lb or 77.5 t); (85.4 short tons) full
Tender weight	40 long tons 0 cwt (89,600 lb or 40.6 t); (44.8 short tons) full
Fuel type	Coal
Water cap.	3,500 imperial gallons (16,000 L; 4,200 US gal)
Firebox:
• Grate area	27.07 sq ft (2.515 m2)
Boiler pressure	225 psi (1.55 MPa)
Heating surface:
• Firebox	154.78 sq ft (14.380 m2)
• Tubes	1,686.60 sq ft (156.690 m2)
Superheater:;
• Type	4 or 6 element
• Heating area	4-element: 191.8 sq ft (17.82 m2),; 6-element: 253.38 sq ft (23.540 m2)
Cylinders	Two, outside
Cylinder size	18+1⁄2 in × 30 in (470 mm × 762 mm)
Valve gear	Stephenson
Valve type	piston valves

Type and origin
Type and origin
Power type	Steam
Designer	Charles Collett
Builder	GWR Swindon Works
Order number	Lots 321, 328, 334, 341, 346
Build date	1938–1942
Total produced	83

GWR 2884 Class
GWR 2884 Class
	3800 at Swindon Works in 1962
Power type
Type and origin
Power type	Steam
Designer	Charles Collett
Builder	GWR Swindon Works
Order number	Lots 321, 328, 334, 341, 346
Build date	1938–1942
Total produced	83
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-0
• UIC	1'D h2
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	4 ft 7+1⁄2 in (1.410 m)
Minimum curve	7 chains (460 ft; 140 m) normal,; 6 chains (400 ft; 120 m) slow
Length	63 ft 2+1⁄4 in (19.26 m)
Width	8 ft 11 in (2.718 m)
Height	13 ft 0 in (3.962 m)
Axle load	17 long tons 0 cwt (38,100 lb or 17.3 t); (19.0 short tons) full
Adhesive weight	67 long tons 0 cwt (150,100 lb or 68.1 t); (75.0 short tons) full
Loco weight	76 long tons 5 cwt (170,800 lb or 77.5 t); (85.4 short tons) full
Tender weight	40 long tons 0 cwt (89,600 lb or 40.6 t); (44.8 short tons) full
Fuel type	Coal
Water cap.	3,500 imperial gallons (16,000 L; 4,200 US gal)
Firebox:
• Grate area	27.07 sq ft (2.515 m2)
Boiler pressure	225 psi (1.55 MPa)
Heating surface:
• Firebox	154.78 sq ft (14.380 m2)
• Tubes	1,686.60 sq ft (156.690 m2)
Superheater:;
• Type	4 or 6 element
• Heating area	4-element: 191.8 sq ft (17.82 m2),; 6-element: 253.38 sq ft (23.540 m2)
Cylinders	Two, outside
Cylinder size	18+1⁄2 in × 30 in (470 mm × 762 mm)
Valve gear	Stephenson
Valve type	piston valves
Tractive effort
Performance figures
Tractive effort	35,380 lbf (157.4 kN)
Operators
Career
Operators	GWR » BR
Class	2884
Power class	GWR: E; BR: 8F
Numbers	2884–2899,3800-3866 : GWR/BR
Axle load class	GWR: Blue
Withdrawn	1962–1965
Disposition	Nine preserved, remainder scrapped

The Great Western Railway (GWR) 2884 Class is a class of 2-8-0 steam locomotive. They were Collett's development of Churchward's earlier 2800 Class and are sometimes regarded as belonging to that class.^[1]

History

The 2884s were designed for heavy freight work and differed from the original Class 2800 engines (Nos. 2800-2883) in a number of respects, the most obvious being that a more modern Collett side window cab was provided and that they were built with outside steam pipes.^[2]

Production

83 of the 2884 class were built between 1938 and 1941. Those built during the Second World War did not have the side window to the cab, and the side window on the others was plated over. This was to reduce glare, as a precaution against enemy air attacks.^[3] The windows were reinstated after the war.^{[citation needed]}

Table of orders and numbers^[4]
Year	Quantity	Lot No.	Locomotive numbers
1938–39	20	321	2884–2899, 3800–3803
1939–40	20	328	3804–3823
1940–41	10	334	3824–3833
1941–42	10	341	3834–3843
1942	23	346	3844–3866

The locomotives were so popular with the ex-Great Western crews that the British Railways Western Region operating authorities wanted more of the class built after nationalisation in 1948; however, this request was turned down^{[by whom?]} in favour of BR Standard Class 9Fs.^{[citation needed]}

Oil firing

Between 1945 and 1947, coal shortages caused GWR to experiment with oil fired 2800 locomotives. Eight of the 2884 class were converted and renumbered from 4850. The experiment, encouraged by the government^[which?] was abandoned in 1948 once the extra maintenance costs were calculated and the bill had arrived for the imported oil.

1948 Locomotive Exchange Trials

The year 1948 also saw one of the 2884 class, No.3803 (now preserved), emerge remarkably successfully from the 1948 Locomotive Exchange Trials against more modern engines including the LMS Stanier Class 8F and the WD Austerity 2-8-0 and WD Austerity 2-10-0. It took the appearance in 1954 of the British Railways BR Standard Class 9F 2-10-0 to displace the 2800s from their main role of mineral haulage. Nevertheless, there was still work for them right up to the end of steam on the Western region in 1965. Six decades of service testify to the fundamental excellence of Churchward's original conception.

Withdrawal

Table of withdrawals
Year	Quantity in service at start of year	Quantity withdrawn	Cumulative quantity withdrawn	Locomotive numbers
1962	83	1	1	3827.
1963	82	16	17	2888–89/92/94/97–98, 3803/06/11/31/33/39/43/46/53/58.
1964	65	32	49	2884–87/91/93/96, 3800–01/04–05/09–10/14–15/19/21–22/24–25/28–29/32/34/38/41/45/47/52/56–57/60.
1965	32	34	83	2890/95/99, 3802/07–08/12–13/16–18/20/23/26/30/35–37/40/42/44/48–51/54–55/59/61–66.

Preservation

Nine examples of the 2884, were saved from Woodham Brothers scrapyard in Barry, Vale of Glamorgan, South Wales and four of these engines have operated in preservation.

Number	Year Built	Withdrawn	Location	Status	Notes
2885	Mar 1938	Jan 1964	Tyseley Locomotive Works	Undergoing restoration^{[as of?]}	Formerly on display at Birmingham Moor Street.^{[until when?]}
3802	Dec 1938	Aug 1965	Llangollen Railway	Operational, boiler ticket expires: 2027.	Currently^[when?] paired with a 4,000 gallon Collett tender instead of the usual 3,500 gallon Churchward tender. Returned to service following an overhaul in January 2018 and now^[when?] operational at Llangollen.
3803	Jan 1939	Jul 1963	Dartmouth Steam Railway	Undergoing Overhaul^[5]	Previously based at the South Devon Railway,^{[until when?]} but now^[when?] sold to the Dartmouth Steam Railway.^[6]
3814	Mar 1940	Dec 1964	Northern Steam Engineering Limited, Stockton-on-Tees	Undergoing restoration	Currently under restoration to running condition.^{[as of?]} Moved to Llangollen Railway^[when?] for restoration to continue, but subsequently moved to Northern Steam Engineering Limited at Stockton-on-Tees.^[7]^[when?]
3822	Apr 1940	Jan 1964	Didcot Railway Centre	Static display^{[as of?]}	Awaiting overhaul after being withdrawn from traffic in 2010. In 1989, 3822 was used in the Music video of the song Breakthru by the band Queen.^[8]^[9]
3845	Apr 1942	Jun 1964	TBC	Stored	At a private site in the West Midlands awaiting restoration.
3850	Jun 1942	Aug 1965	Gloucestershire Warwickshire Railway	Operational, boiler ticket expires: 2034	Originally restored at and operated at the West Somerset Railway, now moved to Gloucestershire Warwickshire Railway. Returned to service following an overhaul in August 2024^[10]
3855	Oct 1942	Aug 1965	East Lancashire Railway	Undergoing restoration^{[as of?]}	Being restored from ex Barry Scrapyard condition.
3862	Nov 1942	Feb 1965	Northampton & Lamport Railway	Undergoing restoration^{[as of?]}	Being restored from ex Barry Scrapyard condition to full running condition.

Models

Hornby Railways manufacture a model of the 2884 Class in OO gauge.^{[citation needed]}

In 2013, Dapol introduced a British N gauge model of locomotive 2892 in GWR green livery.^[11]

References

^ The ABC of British Railway Locomotives: Part 1 - Nos. 1-9999 Steam Locomotives: Western Region (Combined ed.). Ian Allan. c. 1952. pp. 6, 27, 53.
^ Green-Hughes, Evan (October 2010). "The GWR '28XX'". Hornby Magazine. No. 40. Hersham: Ian Allan Publishing. pp. 70–73. ISSN 1753-2469. OCLC 226087101.
^ "3822 - 2884 Class". Retrieved 22 April 2014.
^ Allcock et al. (1968), pp. 38–39.
^ "Devon heritage railway issues update on steam locomotive 3803". RailAdvent. Retrieved 8 November 2024.
^ "South Devon Railway sells GWR Steam Locomotive No. 3803". RailAdvent. 4 February 2022.
^ "3rd time lucky? Steam locomotive 3814 moves from Llangollen to Stockton-on-Tees". RailAdvent. 22 February 2021. Retrieved 23 February 2021.
^ BWW News Desk. "ONE NIGHT OF QUEEN to Rock Didcot Railway Centre". BroadwayWorld.com. Retrieved 31 October 2021.
^ "Film and TV Credits | Didcot Railway Centre". didcotrailwaycentre.org.uk. Retrieved 31 October 2021.
^ "3850". www.gwsr.com. Retrieved 22 September 2024.
^ Foster, Richard (March 2013). "Dapol GWR '2884' 2-8-0". Model Rail. No. 179. Peterborough: Bauer. pp. 12–14. ISSN 1369-5118. OCLC 173324502.

Allcock, N. J.; Davies, F. K.; le Fleming, H. M.; Maskelyne, J. N.; Reed, P. J. T.; Tabor, F. J. (1968) [1951]. White, D. E. (ed.). The Locomotives of the Great Western Railway, part one: Preliminary Survey. Kenilworth: RCTS.
Whitehurst, Brian (1973). Great Western Engines, Names, Numbers, Types and Classes (1940 to Preservation). Oxford, UK: Oxford Publishing Company. pp. 28, 35, 98, 103, 140. ISBN 978-0-9028-8821-0. OCLC 815661.