LNER Class Y11 was a class of petrol powered

0-4-0 Under the Whyte notation for the classification of steam locomotives, represents one of the simplest possible types, that with two axles and four coupled wheels, all of which are driven. The wheels on the earliest four-coupled locomotives were ...

locomotives built by Motor Rail & Tram Car Company Limited under their ''Simplex'' brand and introduced in the years 1919–1925, operating after its formation in 1922 on the

London and North Eastern Railway The London and North Eastern Railway (LNER) was the second largest (after LMS) of the "Big Four" railway companies created by the Railways Act 1921 in Britain. It operated from 1 January 1923 until nationalisation on 1 January 1948. At tha ...

(LNER). Their

British Rail British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most of the overground rail transport in Great Britain from 1948 to 1997. It was formed from the nationalisation of the Big Four (British ra ...

ways numbers were 15097-15099. It was known as LNER Z6 before 1943.

Numbering

* Works no. 1931, LNER no. 8430, re-numbered 8188, BR no. 15098 or 68188 ** Built 1919, acquired by LNER 1923 (ex-

Great Eastern Railway The Great Eastern Railway (GER) was a pre-grouping British railway company, whose main line linked London Liverpool Street to Norwich and which had other lines through East Anglia. The company was grouped into the London and North Eastern R ...

), withdrawn in 1956 * Works no. 2037, LNER no. 8431, re-numbered 8189, BR no. 15099 or 68189 ** Built 1921, acquired by LNER 1923 (ex-

North British Railway The North British Railway was a British railway company, based in Edinburgh, Scotland. It was established in 1844, with the intention of linking with English railways at Berwick. The line opened in 1846, and from the outset the company followe ...

), withdrawn in 1956 * Works no. 2126, LNER no. ED/L4, BR no. 15097 ** Unknown built date acquired by LNER 1925 (ex-Preston Water Works, Lancashire), withdrawn in 1950 ** The

RCTS The Railway Correspondence and Travel Society (RCTS) is a national society founded in Cheltenham, England in 1928 to bring together those interested in rail transport and locomotives. Since 1929 the Society has published a regular journal ''Th ...

document '' BRITISH RAILWAYS, NORTH EASTERN REGION, LOCOMOTIVE ALLOCATION, 6th May 1950'' records this locomotive as working at West Hartlepool (Creosote Works).

Specification

*Wheel arrangement: 0-4-0 *Weight: 8 tons 0 cwt *Wheel diameter: 3 ft 1in *Min curve negotiable: 1 chain *Engine type:

Dorman Dorman is a surname, derived from the Middle English word ''dere'', or ''deor'', meant "wild animal". Therefore, Dorman translates as "wild animal", or, perhaps, "wild animal-man". Another, Old English, derivation is from the Old English word ''deo ...

4JO (petrol) *Engine output: 40 hp *Power at rail: 24 hp *Maximum speed: 7½ mph *Brake type: Air on loco, no train brake * Route Availability: 1 *Heating type: Not fitted *Multiple coupling type: Not fitted *Transmission: Mechanical, 2-speed Dixon Abbot

Preservation

None of the LNER Class Y11 locomotives has been preserved but several similar ones have, including: * Works no. 2029 at the

East Anglian Railway Museum The East Anglian Railway Museum is located at Chappel and Wakes Colne railway station in Essex, England, which is situated on the former Great Eastern Railway branch line from Marks Tey to Sudbury. Services on the Sudbury Branch Line are o ...

* Works no. 2028 at the

Nottingham Transport Heritage Centre The Nottingham Heritage Railway (formerly known as Great Central Railway (Nottingham) and Nottingham Transport Heritage Centre) is a heritage railway and transport museum on the south side of the village of Ruddington in Nottinghamshire. The ...

Nottingham Transport Heritage Centre also has another Simplex numbered 15100. This is probably an "imaginary" British Railways number, continuing from 15099.

External links

*
LNER Encyclopedia

Nottingham Transport Heritage Centre
{{DEFAULTSORT:Lner Class Y11 Y11 B locomotives Railway locomotives introduced in 1919 Scrapped locomotives Standard gauge locomotives of Great Britain Petrol locomotives Shunting locomotives