GNRI Class PG

Great Northern Railway
Classes PG, QG, QLG and QNG

Type and origin
Power type	Steam
Designer	C. Clifford
Serial number	10,11,100−103,151 (PG) 152-155 (QG) 119, 158-165 (QLG) 38, 39, 112 (GNQ)
Build date	1899—1911
Total produced	28

Specifications
Configuration:
• Whyte	0-6-0
Gauge	5 ft 3 in (1,600 mm)
Driver dia.	4 ft 7+1⁄4 in (1,403 mm)
Loco weight	39 long tons 14 cwt (88,900 lb or 40.3 t)—49 long tons 0 cwt (109,800 lb or 49.8 t)
Boiler pressure	175 lbf/in² (1,206.58 kPa)
Cylinders	Two, inside
Train heating	steam

Performance figures
Tractive effort	19,880 lbf (88.43 kN)−24,065 lbf (107.05 kN)

Career
Operators	GNR(I) → UTA → CIÉ
Number in class	28

^[1]

Great Northern Railway Classes PG, QG, QLG and QNG^[a] were a series of 0-6-0 freight locomotives introduced from 1899 by Charles Clifford.^[1]

History

The PG class was introduced in December 1899 by Charles Clifford with 4 feet 7 inches (1.40 m) driving wheels and 18+1⁄2 by 24 inches (47 cm × 61 cm) cylinders.^[2] The QG's introduced in 1904 were 1 foot 6 inches (0.46 m) longer than the PG with 18+1⁄2 by 26 inches (47 cm × 66 cm) cylinders weighed in 2 tons heavier.^[3] The key changed with the QLG class introduced in 1906 was a 4 feet 9 inches (1.45 m) wide boiler.^[4]

Notes

^ There are variations in the class designations, sometimes LQG is used for QLG for example

References

^ ^a ^b Boocock (2009), pp. 73−75.
^ Johnston (1999), pp. 81–82.
^ Johnston (1999), p. 83.
^ Johnston (1999), pp. 83–84.

Boocock, Colin (1 October 2009). "Locomotive Compendium Ireland" (1st ed.). Ian Allan. ISBN 9780711033603.
Johnston, Norman (1999). Locomotives of the GNRI. Newtownards: Colourprint Books. ISBN 1-898392-48-X. OCLC 43340833. OL 12248170M.

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)	<i>Erne</i> <i>Faugh-a-Ballagh</i> <i>Glencar</i> Leitrim Lough <i>Pioneer</i> <i>Sir Henry</i> <i>Waterford</i>
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 <i>Fairy</i> Jumbo Sambo <i>Sprite</i>
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

This page was last edited on 22 January 2023, at 14:18

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History

Notes

References