The NER Class W was a class of ten

4-6-0T A 4-6-0 steam locomotive, under the Whyte notation for the classification of steam locomotives by wheel arrangement, has four leading wheels on two axles in a leading bogie and six powered and coupled driving wheels on three axles with the abs ...

locomotives built by the North Eastern Railway at their

Gateshead Works Gateshead TMD was a railway traction maintenance depot situated in Gateshead, England. The depot code was 52A during the steam era and GD later on. It was known, along with the adjacent locomotive works, as Greenesfield or Greensfield, after ...

between 1907 and 1908. They were all rebuilt as Class W1

4-6-2T Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of four leading wheels on two axles, six powered and coupled driving wheels on three axles and two trailing wheels on one axle. The locomotiv ...

locomotives between 1914 and 1917. The ten locomotives were built in one batch, and were numbered 686 to 695. They were designed for the Scarborough to Whitby line, on which the Class O

0-4-4T Under the Whyte notation for the classification of steam locomotives, 0-4-4 represents the wheel arrangement of no leading wheels, four powered and coupled driving wheels on two axles, and four trailing wheels on two axles. This type was only used ...

locomotives then in use were having difficulty with the traffic, especially the three-mile () section of 1 in 40 (2.5%). However, the low fuel and water capacity was a barrier to operational efficiency, and so between September 1914 and January 1917 the whole class was rebuilt as 4–6–2T locomotives and reclassified W1. Only one batch was built as the design was soon superseded by the Class D 4-4-4T.

References

* W0 4-6-0T locomotives Railway locomotives introduced in 1907 Scrapped locomotives Standard gauge steam locomotives of Great Britain {{England-steam-loco-stub Passenger locomotives