GNR Class N1

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GNR Class N1
LNER Class N1
Bradford Hammerton Street Locomotive Depot geograph-2370243-by-Ben-Brooksbank.jpg
Nos. 9459 and 9479 at Bradford Hammerton Street Depot in 1947
Power type Steam
Designer Henry Ivatt
Builder Doncaster Works
Build date 1906-1912
Total produced 56
Configuration 0-6-2T
Gauge 4 ft 8 12 in (1,435 mm)
Driver diameter 5 ft 8 in (1.73 m)
Locomotive weight 65.85 long tons (66.91 t)
Fuel type coal
Boiler pressure 170 psi (1.2 MPa)
Cylinders two inside
Cylinder size 18 in × 26 in (460 mm × 660 mm)
Tractive effort 17,900 lbf (80 kN)

The Great Northern Railway (GNR) Class N1 is an 0-6-2T side tank steam locomotive designed by Henry Ivatt and introduced in 1906. They were all withdrawn from service between 1947 and 1959. None has survived.

No. 9463 fitted with condensing gear at Harringay 11 October 1946

The majority of the class were fitted with condensing apparatus and worked in the London area, from King's Cross and Hornsey Depots on empty coach trains and on cross-London exchange freight trains.


  • H.C. Casserley & S.W. Johnston, Locomotives at the Grouping 2. Ian Allan, 1966, p. 73.
  • Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, page 53.

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