Wed 21 Feb 2018 16:56:56


British Railway History Item


LNER Class Worsdell W North Eastern Railway A6 4-6-2 Tank

Built 1910-11. Designed by Wilson Wordsell.

Total Number Built 10 - Total to BR 9.

Introduced 1914. Raven rebuild of Wilson Worsdell North Eastern Railway (NER) Class W 4-6-0T of 1907.

Originally built as 4-6-0T's at Gateshead Works in 1907-08. The ten members of the class were rebuilt as 4-6-2T's at Darlington Works between 1914 and 1917.

(a) Rebuilt with superheater.

The smokebox door differed on the superheated and non-superheated variety of engine.

Number Series 69791-69799, LNER 9790.

Previous Numbers LNER 686-695.

Built at the NER Gateshead Works.

No Lot Nos. yet available.

Classified A6 by the LNER, Diagram 63 superheated boilers, of two varieties (63B and 63C), were introduced from 1937. Three locomotives retained saturated boilers to the end - Nos. 690/1/4.

The Westinghouse pumps were replaced by steam brakes on all locomotives apart from LNER No. 687 with effect from 1944.

They were known as 'Whitby Tanks', as they were built for working the steeply graded Whitby to Scarborough line.

The first loco withdrawn by the LNER was 9790 (686) in June 1947 from ??? shed.

The first loco withdrawn was 69792 on 20 December 1948 from Starbeck shed.
The last loco withdrawn was 69796 on 30 March 1953 from Hull Botanic Gardens shed.

None are preserved.

Motive Power Details
78 tons 0 cwt
79 tons 0 cwt (a)

Driving Wheel: 5' 1?"

Boil Press:
175lb/sq in NS
175lb/sq in Su (a)

Cylinders: Two 19" x 26"
Valve Gear: Stephenson (piston valves)
TE: 23,830 lb
Number Series

Class Total: 10

69791 a
69792 a
69793 a
69796 a
69797 a
69799 a

Allocation and Withdrawal Details

Last Updated : Saturday 3rd May 2003 16:18

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