NER Class W1
|NER Class W1
LNER Class A6
|Type and origin|
|Build date||1914-1917 (rebuild)|
|Driver diameter||5' 1¼"|
|Locomotive weight||78 long tons
79 long tons
|Fuel capacity||4 long tons|
|Water capacity||1,893 imperial gallons|
|Boiler pressure||175 psi|
|Firegrate area||23 sq.ft.|
|Cylinder size||19" x 26"|
|Tractive effort||23,830 lbf|
The NER Class W1 was a 4-6-2T steam locomotive of the North Eastern Railway. The class was introduced in 1914 as a rebuild of Wilson Worsdell's NER Class W 4-6-0T (introduced 1907). On being acquired by the London and North Eastern Railway in 1923 the W1s were re-classified A6. The information in the infobox (right) is taken from sources.
One locomotive was withdrawn in 1947 but the remaining nine passed to British Railways in 1948 and were numbered as follows:
- Superheated: 69791-69793 and 69796-69797
- Non-superheated: 69794-69795 and 69798-69799
This seems to conflict with the claim that seven locomotives were fitted with superheaters but, possibly, the superheater was removed from one locomotive. This might have happened when a boiler was changed.
One locomotive was withdrawn in 1947 and the others had all been withdrawn by the end of 1951. None are preserved.
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