The NBR D Class ( LNER Class J83) 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 arrang ...

tank locomotive A tank locomotive or tank engine is a steam locomotive that carries its water in one or more on-board water tanks, instead of a more traditional tender. Most tank engines also have bunkers (or fuel tanks) to hold fuel; in a tender-tank loc ...

s designed by Matthew Holmes for short distance

freight Cargo consists of bulk goods conveyed by water, air, or land. In economics, freight is cargo that is transported at a freight rate for commercial gain. ''Cargo'' was originally a shipload but now covers all types of freight, including tran ...

station pilot A switcher, shunter, yard pilot, switch engine, yard goat, or shifter is a small railroad locomotive used for manoeuvring railroad cars inside a rail yard in a process known as ''switching'' (US) or ''shunting'' (UK). Switchers are not inten ...

, and heavy

shunting Shunting may refer to: * Ribosome shunting, a mechanism in protein biosynthesis * Shunting (rail), a rail transport operation * Shunting (neurophysiology), a concept in neurophysiology * Shunting (sailing), a maneuver for sailing upwind See a ...

duties on the

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 ...

Service history

They were introduced in 1900 and had inside cylinders and

piston valves Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the cylinders and its subsequent exhausting, enabling a locomotive to move under its own power. ...

operated by

Stephenson valve gear The Stephenson valve gear or Stephenson link or shifting link is a simple design of valve gear that was widely used throughout the world for various kinds of steam engines. It is named after Robert Stephenson but was invented by his employees. ...

. Forty of these new Class D engines were delivered in 1900–01, twenty each from

Neilson and Company Neilson and Company was a locomotive manufacturer in Glasgow, Scotland. The company was started in 1836 at McAlpine Street by Walter Neilson and James Mitchell to manufacture marine and stationary engines. In 1837 the firm moved to Hyde Park ...

and

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 ...

. At

grouping Grouping may refer to: * Muenchian grouping * Principles of grouping * Railways Act 1921, also known as Grouping Act, a reorganisation of the British railway system * Grouping (firearms), the pattern of multiple shots from a sidearm See also ...

they became LNER class J83. The class were highly successful in service, with only three failing to complete during their lifetime. One locomotive, No. 9830, managed to complete . The engines were commonly seen across the entire North British Railway network, and were the second largest class of tank engines on the railway, after the

NBR A class The NBR A Class ( London and North Eastern Railway (LNER) Classes N14 and N15 were the standard 0-6-2 tank locomotives designed by William P. Reid for freight duties on the North British Railway. The LNER regarded the original locomotives as tw ...

Numbering

On the NBR they were numbered in a sequence commencing with 795 (and are sometimes referenced as 795 class engines). A total of 40 locomotives were built, all but one of which came 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 ...

(BR) ownership at

nationalisation Nationalization (nationalisation in British English) is the process of transforming privately-owned assets into public assets by bringing them under the public ownership of a national government or state. Nationalization usually refers to p ...

in 1948. BR numbers were 68442–68481.

Withdrawal

One locomotive was withdrawn in 1947, a year before nationalisation, but later the class were gradually displaced by diesel shunters during the 1950s, with the last withdrawn in 1962. All members of the class were scrapped, and there is no surviving example in preservation.

Models

A (very basic) model has been produced by

Hornby Hornby may refer to: Places In England * Hornby, Lancashire * Hornby, Hambleton, village in North Yorkshire * Hornby, Richmondshire, village in North Yorkshire Elsewhere * Hornby, Ontario, community in the town of Halton Hills, Ontario, Cana ...

OO gauge OO gauge or OO scale (also, 00 gauge and 00 scale) is the most popular standard-gauge model railway standard in the United Kingdom, outside of which it is virtually unknown. OO gauge is one of several 4 mm-scale standards (4 mm to 1 foot, ...

since the 1980s, but has since been relegated into their

RailRoad Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a prep ...

range.

References

* {{LNER Locomotives D 0-6-0T locomotives Railway locomotives introduced in 1900 Standard gauge steam locomotives of Great Britain Scrapped locomotives Shunting locomotives