The NER Class P1 (LNER Class J25) was a class of

0-6-0 Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of no leading wheels, six powered and coupled driving wheels on three axles and no trailing wheels. This was the most common wheel arrangemen ...

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the locomot ...

s of the North Eastern Railway. Class P1 was a development of Class P, having a boiler four inches longer, and a firebox six inches longer. To accommodate these, the wheelbase was increased by nine inches. The cylinder stroke was also increased by two inches. None survived into preservation

Ownership

North Eastern Railway

A total of 120 was built at the North Eastern Railway's locomotive workshops at both Gateshead and Darlington, between 1898 and 1902, in six batches of 20. Their numbers were 1961-2000, 2031–80, 2126-42 with the remainder scattered between 25 and 1743.

London and North Eastern Railway

All passed to 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 th ...

(LNER) in 1923, and their NER numbers were retained, but they were placed in LNER Class J25. ;World War II During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, 40 locomotives were loaned to the

Great Western Railway The Great Western Railway (GWR) was a British railway company that linked London with the southwest, west and West Midlands of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament on 31 August 1835 and ran ...

(GWR). The first transfers to the GWR occurred in October 1939, and the last was not returned to the LNER until December 1946. ;Renumbering The general LNER renumbering scheme was prepared in 1943, and at that time, 85 locomotives of the J25 class remained: these were allotted 5645-5729, being renumbered during 1946, apart from six which had been withdrawn in the interim.

British Railways

Seventy-six locomotives survived into

British Railways 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 rai ...

(BR) ownership in 1948. Of these, 64 were given BR numbers, being the 1946 LNER numbers increased by 60000.

Accidents and incidents

*On 15 December 1911, locomotive No. 1972 was hauling a freight train which was derailed at

Lartington Lartington is a village and civil parish about west of the town of Barnard Castle, in Teesdale, in the Pennines of England. The United Kingdom Census 2011, 2011 Census recorded the parish's population as 135. Lartington is Historic counties of ...

North Riding of Yorkshire The North Riding of Yorkshire is a subdivision of Yorkshire, England, alongside York, the East Riding and West Riding. The riding's highest point is at Mickle Fell with 2,585 ft (788 metres). From the Restoration it was used as ...

when its driver braked too sharply.

References

{{LNER Locomotives 0-6-0 locomotives P1 Railway locomotives introduced in 1898 Standard gauge steam locomotives of Great Britain Scrapped locomotives Freight locomotives