NER Class X

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NER Class X
LNER Class T1
Stockton Locomotive Yard geograph-2358822-by-Ben-Brooksbank.jpg
No. 69919 at Stockton Locomotive Depot 1954
Type and origin
Power type Steam
Designer Wilson Worsdell
Builder NER Gateshead, Darlington
Build date 1909-1910 and 1925
Total produced 15
Configuration 4-8-0T
Gauge 1,435 mm (4 ft 8 12 in)
Leading wheel
3 ft 1 14 in (0.946 m)
Driver diameter 4 ft 7 14 in (1.403 m)
Length 42 ft 1 in (12.83 m)
Locomotive weight 85.4 long tons (86.8 t)
Fuel type coal
Fuel capacity 4.25 long tons (4.32 t)
Water capacity 2,500 imp gal (11,000 l; 3,000 US gal)
Boiler pressure 175 psi (1.21 MPa)
Firegrate area 23 sq ft (2.1 m2)
Cylinders three
Cylinder size 18 in × 26 in (460 mm × 660 mm)
Performance figures
Tractive effort 34,080 lbf (151.6 kN)

The NER Class X (LNER Class T1) was a class of 4-8-0T tank locomotive designed by Wilson Worsdell for the North Eastern Railway.[1] They were intended for use as powerful shunting engines to arrange and move coal wagons for loading into ships.[1] In total 15 were built, 10 by the NER between 1909 and 1910, and a further five in 1925 by the London and North Eastern Railway (LNER).[1] They had three cylinders with divided drive: the inside cylinder driving the leading axle, the outside cylinders driving the centre.[2]


The reversing gear was originally mechanical, but was replaced on all but two of the locomotives (nos. 1355/8) by steam-operated reversing gear between 1932 and 1934.[3] The steam reversing gear was removed again between 1941 and 1947.[3] In 1929, No. 1656 was moved to the newly built Whitemoor Yard at March, Cambridgeshire.[4] In 1932, this locomotive was replaced by Nos. 1355 and 1358.[4] Whitemoor preferred the ex-GCR 0-8-4T (LNER Class S1) for hump shunting, so in 1934 No 1358 was moved to Doncaster, and No. 1355 to Mexborough.[4] In 1936, No. 1355 moved to King's Cross to shunt the engine shed for seven weeks, before joining No. 1358 in Doncaster.[4] These two locomotives were scrapped at Doncaster in 1937.[4] The remaining T1s continued to work coal trains at various docks and marshalling yards throughout North East England.[4] After World War II, coal exports never returned to their pre-war levels.[5] Hence, many of the T1s moved to other sheds for heavy shunting duties.[5]


On the North Eastern Railway the first ten locomotives were numbered 1350–9; these numbers were retained following the formation of the LNER on 1 January 1923. The five built in 1925 were given LNER numbers 1656–60.[6] In 1946, the thirteen remaining locomotives were renumbered 9910–22; these all passed to British Railways in 1948, being renumbered 69910-69922 between 1948 and 1951.[7]


Two T1s having been withdrawn in 1937, the remainder were withdrawn between 1955 and 1961 and none has survived into preservation.[5]


  1. ^ a b c Boddy et al. 1977, p. 29.
  2. ^ Ahrons 1927, p. 338.
  3. ^ a b Boddy et al. 1977, pp. 31–32.
  4. ^ a b c d e f Boddy et al. 1977, p. 33.
  5. ^ a b c Boddy et al. 1977, p. 34.
  6. ^ Boddy et al. 1977, pp. 29,34.
  7. ^ Boddy et al. 1977, pp. 29,33,34.


  • Ahrons, E. L. (1927). The British Steam Railway Locomotive 1825-1925. Amen Corner, London: Locomotive Publishing Co. 
  • Boddy, M. G.; Brown, W. A.; Fry, E. V.; Hennigan, W.; Hoole, Ken; Manners, F.; Neve, E.; Platt, E. N. T.; Proud, P.; Yeadon, W. B. (June 1977). Fry, E. V., ed. Locomotives of the L.N.E.R., Part 9B: Tank Engines—Classes Q1 to Z5. Kenilworth: RCTS. ISBN 0-901115-41-X. 
  • Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, page 56

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