GSR Class 850

Specifications
Specifications
Configuration:;
• Whyte	2-6-2T
Gauge	5 ft 3 in (1,600 mm)
Leading dia.	3 ft 1 in (940 mm)
Driver dia.	5 ft 6 in (1,680 mm)
Trailing dia.	3 ft 0 in (910 mm)
Length	39 ft 2+1⁄2 in (11,951 mm)
Adhesive weight	47.5 long tons (48.3 t)
Loco weight	71 long tons (72 t)
Water cap.	1,700 imp gal (7,700 L; 2,000 US gal)
Boiler pressure	260 lbf/in2 (1.79 MPa)
Heating surface:
• Firebox	119 sq ft (11.1 m2)
Superheater	Belpaire
Cylinders	2
Cylinder size	17+1⁄2 in × 28 in (444 mm × 711 mm)
Valve gear	Walschaerts

Type and origin
Type and origin
Power type	Steam
Designer	J. R. Bazin
Builder	Inchicore
Build date	1928
Total produced	1

GSR 850 Class
GSR 850 Class
Power type
Type and origin
Power type	Steam
Designer	J. R. Bazin
Builder	Inchicore
Build date	1928
Total produced	1
Configuration:;
Specifications
Configuration:;
• Whyte	2-6-2T
Gauge	5 ft 3 in (1,600 mm)
Leading dia.	3 ft 1 in (940 mm)
Driver dia.	5 ft 6 in (1,680 mm)
Trailing dia.	3 ft 0 in (910 mm)
Length	39 ft 2+1⁄2 in (11,951 mm)
Adhesive weight	47.5 long tons (48.3 t)
Loco weight	71 long tons (72 t)
Water cap.	1,700 imp gal (7,700 L; 2,000 US gal)
Boiler pressure	260 lbf/in2 (1.79 MPa)
Heating surface:
• Firebox	119 sq ft (11.1 m2)
Superheater	Belpaire
Cylinders	2
Cylinder size	17+1⁄2 in × 28 in (444 mm × 711 mm)
Valve gear	Walschaerts
Tractive effort
Performance figures
Tractive effort	17,700 lbf (78.73 kN)
Operators
Career
Operators	Great Southern Railways (GSR); CIÉ
Class	P1 (Inchicore)
Power class	H/HT
Number in class	1
Numbers	850
Locale	Ireland
Withdrawn	1955

Power typeSteam

DesignerJ. R. Bazin

BuilderInchicore

The Great Southern Railways (GSR) Class 850 consisted of a single 2-6-2T tank locomotive built by Inchicore railway works in 1927, the sole example carrying the same number as the class. It was the first locomotive designed and built by the GSR since it was formed.^[1]^{: 259–262}

[1]

v t e Steam locomotives of Ireland
Belfast and County Down Railway (1846–1948)	1 4 5 6 8 9 14 22 26 29
Belfast and Northern Counties Railway (1860–1903)	A B C D E F G H I J K L M N O P Q R S
Northern Counties Committee (1903–1949)	A1 B1 B2 B3 D1 E1 F1 K1 L1 S1 S2 U U1 U2 V W WT Y
Great Northern Railway (1876–1958)	A AL B BP BT C D E G H J JT NQG NLQG P PG PP Q QG QGTs QGT2 QL QLG QNG RT S & S2 SG & SG2 SG3 T T2 U V UG VS 203 204
Sligo, Leitrim and Northern Counties Railway (1875–1957)	Erne Faugh-a-Ballagh Glencar Leitrim Lough Pioneer Sir Henry Waterford
Cork, Bandon and South Coast Railway (1849–1924)	1, 2 1, 2, 4A, 8 2 (II) 3, 4 3, 9, 10, 18 5, 6 7 (I) 7 (II) 9, 10 11 5, 6, 12, 16, 17 14, 15 19, 20 4, 8, 11, 13, 14, 15, 19, 20 Argadeen St Molaga Slaney
Dublin and Kingstown Railway (1834–1856)	Vauxhall Hibernia Star Victoria Princess Burgoyne
Dublin and South Eastern Railway (1854–1925)	1, 2, 6–7, 9–10, 28, 44–47, 49 3, 8, 10–12, 27–30, 40, 45–46 4–5 13–14, 18, 65–66 15–16 15–23, 37–39, 48 17, 36 20, 34–35 24–26, 32–33 42–44 50–51 52–54 55–58 59–64 67–68 69–70
Great Southern and Western Railway (1845–1924)	1 2 21 23 27 33 37 41 43 44 45 28 & 47 52 56 60 62 64 90 91 92 99 100 101 102 104 110 & 112 116 117 119 122 124 133 139 144 201 203 204 207 & 217 211 213 249 & 351 257 301 305 309 321 333 341 355 362 368 400 500 900 Fairy Jumbo Sambo Sprite
Midland Great Western Railway (1847–1924)	1 2 3 4 5 6 7 7–12 8 9 10 11 12 13 14 15 16 17 18 19 A B C D D-bogie D2 E F H K L P W
Great Southern Railways (1925–1944)	280 342 372 393 495 670 700 710 800 850
Córas Iompair Éireann (1945–1962)	Turf Burner No. CC1
Tralee and Dingle Light Railway (1891–1953)	1, 2, 3, 6, 8 4 5 7, 8 (4T)
Industrial engines	CSÉT Shunting Locomotives R. H. Smyth

GSR Class 850

Service

Incidents

References

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