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The Great Northern Railway (GNR) Class O1 was a class of two-cylinder 2-8-0 steam locomotive designed by Sir Nigel Gresley for heavy freight work and built by the GNR between 1913 and 1919.

History[]

Gresley designed the O1 2-8-0 for the heavy coal trains on the mainline from Grantham to London, ordering five examples 1913, which were completed at Doncaster in 1914. A further fifteen were ordered in January 1916, but due to the First World War delays were incurred and construction was transferred to the North British Locomotive Company, who delivered the first ten in April 1918, followed by a further five in October and November 1919.

Stock list[]

Year Order Manufacturer Serial Nos. Quantity GNR Nos. LNER Nos. LNER 1944 Nos. Notes
1913–14 EO 274 Doncaster Works 1411–1413, 1415, 1418 5 456–460 3456–3460 3475–3479
1919 North British Locomotive Co.(Hyde Park Works) 22060–22069 10 462–471 3462–3471 3480–3489
1919 North British Locomotive Co.(Atlas Works) 22099–22103 5 472–476 3472–3476 3490–3494

The class was re-designated O3 by the London and North Eastern Railway in 1944.

British Railways[]

Seventeen examples survived into British Railways ownership in 1948, but all had been withdrawn by 1952.

Withdrawal[]

Year Quantity in service at start of year Quantity withdrawn Locomotive Nos. Notes
1947 20 3 3487, 3490, 3492
1948 17 2 3489/94
1949 15 0
1950 15 1 63491
1951 14 10 63475/77–81/83/85–86/93
1952 4 4 63476/82/84/88

External links[]

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