The SECR D class is a class of 4-4-0

tender locomotive A tender or coal-car (US only) is a special rail vehicle hauled by a steam locomotive containing its fuel (wood, coal, oil or torrefied biomass) and water. Steam locomotives consume large quantities of water compared to the quantity of fuel, s ...

s designed by

Harry Wainwright Harry Smith Wainwright (16 November 1864 – 19 September 1925) was an English railway engineer, and was the Locomotive, Carriage and Wagon Superintendent of the South Eastern and Chatham Railway from 1899 to 1913. He is best known for a se ...

for the South Eastern and Chatham Railway.

Overview

The construction of the initial 20 engines was shared between

Ashford railway works Ashford railway works was in the town of Ashford in the county of Kent in England. History South Eastern Railway Ashford locomotive works was built by the South Eastern Railway on a new site in 1847, replacing an earlier locomotive repair fa ...

and the

Glasgow Glasgow ( ; sco, Glesca or ; gd, Glaschu ) is the most populous city in Scotland and the fourth-most populous city in the United Kingdom, as well as being the 27th largest city by population in Europe. In 2020, it had an estimated popul ...

builder,

Sharp, Stewart and Company Sharp, Stewart and Company was a steam locomotive manufacturer, initially located in Manchester, England. The company was formed in 1843 upon the demise of Sharp, Roberts & Co.. It moved to Glasgow, Scotland, in 1888, eventually amalgamating wit ...

. The first of the class to enter service in 1901 was a Glasgow product, and by 1907 fifty-one were in traffic. Of these twenty-one were Ashford built while the rest were supplied by outside contractors. The D class was a Harry Wainwright design and he was responsible for the overall look of the engine. The detail work was undertaken by Robert Surtees, his chief draughtsman at Ashford works.

D1 class

Tonbridge down stopping train from Redhill geograph-2666202-by-Ben-Brooksbank

In 1913,

Richard Maunsell Richard Edward Lloyd Maunsell (pronounced "Mansell") (26 May 1868 – 7 March 1944) held the post of chief mechanical engineer (CME) of the South Eastern and Chatham Railway from 1913 until the 1923 Grouping and then the post of CME of the ...

started the rebuilding of 21 D Class locomotives with

Belpaire firebox The Belpaire firebox is a type of firebox used on steam locomotives. It was invented by Alfred Belpaire of Belgium in 1864. Today it generally refers to the shape of the outer shell of the firebox which is approximately flat at the top and sq ...

es to produce the more powerful D1 class. These bigger engines were needed to cope with increasing loads on the Kent Coast Line through Chatham.

Operation

Initially the D class was put to work on the Kent coast and Hastings services out of

London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...

. By the 1930s the largest allocation of D class 4-4-0s was at Gillingham depot in

Kent Kent is a county in South East England and one of the home counties. It borders Greater London to the north-west, Surrey to the west and East Sussex to the south-west, and Essex to the north across the estuary of the River Thames; it faces ...

but they had by now been reduced to secondary train duties and were now carrying the livery of the Southern Railway. At the outbreak of

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 opposing ...

in 1939 some of the D class were placed into storage. Then in 1941 others were transferred to Nine Elms depot. A handful were based at Redhill on the Reading-Tonbridge cross-country line. In 1948 British Railways inherited 28 of the Wainwright 4-4-0s. Their final years saw them concentrated at Guildford in Surrey and the last of the D class, No.31075, was withdrawn from there in 1956.

Preservation

One engine, No.31737, has been preserved and is in its original livery – that of the

South Eastern & Chatham Railway The South Eastern and Chatham Railway Companies Joint Management Committee (SE&CRCJMC),Awdry (1990), page 199 known as the South Eastern and Chatham Railway (SE&CR), was a working union of two neighbouring rival railways, the South Easte ...

– at the National Railway Museum in York.

Models

Dapol, in association with Rails of Sheffield and Locomotion, released a model of the D Class in OO scale in 2021. On February 22, 2022, Dapol and Rails of Sheffield announced a further model of the D1 Class for release later that year.

References

*Herring, Peter (2000) ''Classic British Steam Locomotives'', Enderby: Abbeydale, *

External links

NRM South Eastern & Chatham Railway steam locomotive No 737Rail UK database entry
{{DEFAULTSORT:Secr D Class South Eastern and Chatham Railway locomotives, D 4-4-0 locomotives Dübs locomotives Sharp Stewart locomotives Robert Stephenson and Company locomotives Vulcan Foundry locomotives Railway locomotives introduced in 1901 Standard gauge steam locomotives of Great Britain Passenger locomotives