The LSWR X2 class was a class of express passenger 4-4-0

4-4-0

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

 steam locomotive

Steam locomotive

A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

s designed for the London and South Western Railway

London and South Western Railway

The London and South Western Railway was a railway company in England from 1838 to 1922. Its network extended from London to Plymouth via Salisbury and Exeter, with branches to Ilfracombe and Padstow and via Southampton to Bournemouth and Weymouth. It also had many routes connecting towns in...

 by William Adams

William Adams (locomotive engineer)

William Adams was the Locomotive Superintendent of the North London Railway from 1858 to 1873; the Great Eastern Railway from 1873 until 1878 and the London and South Western Railway from then until his retirement in 1895...

. Twenty were constructed at Nine Elms Locomotive Works

Nine Elms Locomotive Works

Nine Elms locomotive works were built in 1839 by the London and South Western Railway adjoining their passenger terminus near the Vauxhall end of Nine Elms Lane, in the district of Nine Elms in the London Borough of Battersea. They were rebuilt in 1841 and remained the principal locomotive...

 between 1880–1882.

The class were numbered 577–596, and were an enlarged version of the 460 class

LSWR 460 class

The LSWR 460 class was a class of express passenger 4-4-0 steam locomotives designed for the London and South Western Railway by William Adams. Twenty were constructed by Neilson and Company and Robert Stephenson and Company in 1884, and one in 1887....

. Adams had designed his 7 in 1 in (2.16 m) drivered locomotives for the London to Bournemouth

South Western Main Line

The South Western Main Line is a railway line between London Waterloo and Weymouth on the Dorset coast, in the south of England. It is a major railway which serves many important commuter areas, as well as the major settlements of Southampton and Bournemouth...

 route, while the 6 in 7 in (2.01 m) drivered locomotives were intended for the London to Salisbury

West of England Main Line

The West of England Main Line is a British railway line that runs from , Hampshire to Exeter St Davids in Devon, England. Passenger services run between London Waterloo station and Exeter...

 route which had more severe gradients.

Table of locomotive orders

Year	Order	Quantity	LSWR Numbers	Notes
1890	X2	10	577–586
1891	F3	10	587–596

All passed to the Southern Railway

Southern Railway (Great Britain)

The Southern Railway was a British railway company established in the 1923 Grouping. It linked London with the Channel ports, South West England, South coast resorts and Kent...

 at the grouping

Railways Act 1921

The Railways Act 1921, also known as the Grouping Act, was an enactment by the British government of David Lloyd George intended to stem the losses being made by many of the country's 120 railway companies, move the railways away from internal competition, and to retain some of the benefits which...

in 1923. Withdrawals started in 1930, and by the end of 1933, only four remained. No. 592 went in 1936, numbers 587 and 590 were retired during 1937, leaving only No. 586, which was withdrawn in November 1942. All were scrapped.