GWR 4000 CLASS


A view of the front end of 4003 ''Lode Star''.

A 'Star class locomotive' was a particular type of steam locomotive of the Great Western Railway. The prototype was an experimental locomotive, ''North Star'' (originally given number 40), constructed with the 'Atlantic' 4-4-2 wheel arrangement for comparative trials with 4-cylinder compound locomotives of the de Glehn type that had been purchased from France. This established the benefits of the balanced 4 cylinder layout but the designer, George Churchward, decided that he would continue the class with simple steam expansion, and also with the 4-6-0 wheel arrangement he had introduced with the 2900 class. As in the de Glehn design, the outer cylinders drove the centre driving axle, the inside pair of cylinders were set well forward and drove the leading driving axle.
In the production class (4001 to 4072) there were just two set of Walschaerts valve gear between the frames, the valves to the outside cylinders being driven by rocking levers.
An enlarged version of the design was introduced in 1923, this was the Castle Class locomotive, of which about 170 were constructed, including some rebuilds from the 'Star' class.
One, 4003 Lode Star, survives in preservation as a static, non-working, exhibit.

Contents
List of locomotives
External links

List of locomotives


NumbersNamesNotes
FirstSecondThird
40 / 4000North StarRebuilt as Castle Class 4000
4001Dog Star
4002Evening Star
4003Lode StarPreserved at National Railway Museum, York
4004Morning Star
4005Polar Star
4006Red Star
4007Rising StarSwallowfield Park
4008Royal Star
4009Shooting StarRebuilt as Castle Class 4009
4010Western Star
4011Knight of the Garter
4012Knight of the Thistle
4013Knight of St. Patrick
4014Knight of the Bath
4015Knight of St. John
4016Knight of the Golden FleeceRebuilt as Castle Class 4016
4017Knight of the Black EagleKnight of the Léige
4018Knight of the Grand Cross
4019Knight Templar
4020Knight Commander
4021King EdwardBritish Monarch
4022King WilliamBelgian MonarchDenamed in 1940
4023King GeorgeDanish MonarchDenamed in 1940
4024King JamesDutch Monarch
4025King CharlesItalian MonarchDenamed in 1940
4026King RichardJapanese MonarchDenamed in 1941
4027King HenryNorwegian Monarch
4028King JohnRomanian MonarchDenamed in 1940
4029King StephenSpanish Monarch
4030King HaroldSwedish MonarchDenamed in 1940
4031Queen Mary
4032Queen AlexandraRebuilt as Castle Class 4032
4033Queen Victoria
4034Queen Adelaide
4035Queen Charlotte
4036Queen Elizabeth
4037Queen PhilippaRebuilt as Castle Class 4037
4038Queen Berengaria
4039Queen Matilda
4040Queen Boadicea
4041Prince of Wales
4042Prince Albert
4043Prince Henry
4044Prince George
4045Prince John
4046Princess Mary
4047Princess Louise
4048Princess Victoria
4049Princess Maud
4050Princess Alice
4051Princess Helena
4052Princess Beatrice
4053Princess Alexandra
4054Princess Charlotte
4055Princess Sophia
4056Princess Margaret
4057Princess Elizabeth
4058Princess Augusta
4059Princess Patricia
4060Princess Eugenie
4061Glastonbury Abbey
4062Malmesbury Abbey
4063Bath AbbeyRebuilt as Castle Class 5083
4064Reading AbbeyRebuilt as Castle Class 5084
4065Evesham AbbeyRebuilt as Castle Class 5085
4066Malvern AbbeySir Robert HorneViscount HorneRebuilt as Castle Class 5086
4067Tintern AbbeyRebuilt as Castle Class 5087
4068Llanthony AbbeyRebuilt as Castle Class 5088
4069Margam AbbeyWestminster AbbeyRebuilt as Castle Class 5089
4070Neath AbbeyRebuilt as Castle Class 5090
4071Cleeve AbbeyRebuilt as Castle Class 5091
4072Tresco AbbeyRebuilt as Castle Class 5092

External links



★ http://www.greatwestern.org.uk/m_in_str.htm

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