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|power = 25,670 lb
|pressure = 200 lb/sq in}}
Having introduced a range of standard locomotives designed for heavier services, GWR CME George Jackson Churchward asked his lead draughtsman Harold Holcroft to produce "...''a 2-6-0 with 5 foot 8 inch wheels, outside cylinders, the No. 4 boiler and as many standard parts as could be used''". The resulting 4300 class first appeared in 1911 and proved successful with 322 built by 1925, sometimes incorporating detailed differences. A final batch of 20 built in 1932 incorporated further design changes by Churchward’s successor, Charles CollettTheir Blue route availability saw them used across the GWR network from London to Birkenhead and Cornwall. These included the introduction of side window cabs, outside steam pipesHowever, a screw reverser, and a weight attached to the buffer beam sharp curves in Cornwall were found to place more weight be causing excessive flange wear on the leading pony front driving wheels , so in 1928 65 of the class were altered by moving the buffer beam forward and placing a heavy casting behind it to reduce the wear by increasing the weight on the leading driving wheelsfront pony truck. As a result The extra weight of these modificationsthe modified 8300 series, as they became, 7325 (originally 9303) is often referred put them in the Red route availability and restricted their use to on main lines, and by the SVR as the "Collett Mogul"end of World War 2 most had been converted back.
A final batch of 20 4300s including No 9303 were built in 1932 which, in addition to the extra buffer beam weight, incorporated further design changes by Churchward’s successor, Charles Collett. These included the introduction of side window cabs, outside steam pipes and a screw reverser (as a result of these additional modifications, 7325 is often referred to on the SVR as the "Collett Mogul"). The new examples were mainly stationed in the London area, but between 1956 and 1959 they also had the extra buffer beam weight removed to increase route availability, being renumbered into the 7300 series at the same time. Moguls were allocated to local sheds including [[Shrewsbury]] and [[Worcester]] (both from 1934), [[Kidderminster Shed]] (from 1946) and Stourbridge Junction (from 1950). Locos The type (not including those with Red axle load restrictions) operated excursions on the Kidderminster – Bewdley – Stourport triangle from the 1930s. In the late 1950s 4 moguls were allocated to Kidderminster Shed to work coal trains from [[Alveley Colliery]] to the power stations at [[Stourport Power Station|Stourport]] and [[Ironbridge power station|Buildwas]] and sugar beet trains to [[Foley Park]]<ref>GWR(SVR)A appeal leaflet</ref>. Reallocations meant that, for example, eighteen class members were allocated to Kidderminster at some point in their service.<ref>[http://www.brdatabase.info/locoqry.php?action=class&type=S&id=126002 BR Database, 4300 Class]</ref>.
==9303/7325 in service==
The locomotive was completed at Swindon to Lot No. 276. She It first entered service in February 1932 as GWR number 9303, and began life allocated to Penzance.<ref name=GWRA>[http://www.greatwestern.org.uk/260_9300det.htm GWR Archive] Retrieved 28 January 2015.</ref> The following year 9303 moved to London's Old Oak Common Shed, spending the next 20 years at sheds in the London Division area.<ref>[[Bibliography#Books|Ferris (1995), p. 27.]]</ref> Between 1947 and 1950 the locomotive was allocated to Reading.<ref name=GWRA/>
In 1953, 9303 moved to Tyseley, followed by Banbury two years later. In 1958 No 9303 was renumbered by BR as 7325, who also modified the locomotive to remove at the same time by removing the additional buffer beam weight in order to increase its route availability. After further allocations to Ebbw Junction (Newport) and Severn Tunnel Junction, 7325 was withdrawn from service at Pontypool Road in April 1964.<ref> [http://www.brdatabase.info/locoqry.php?action=locodata&type=S&id=9303&loco=7325 BRDatabase] Retrieved 28 January 2015.</ref>
==7325 in preservation==
7325 arrived at [[Barry Scrapyard]] in November 1964. It was one of only two members of the 4300 class preserved and the only "Collett mogul" (, the other, (No. 5322, is ) being an early Churchward example which saw service in France during World War I with the British Army's Railway Operating Division. Plans were announced in January 1967 for 5322 to be acquired for preservation on the SVR<ref>SVR News 4</ref> but this did not take place and the locomotive is now preserved at the Didcot Railway Centre<ref>[https://didcotrailwaycentre.org.uk/article.php/72/5322-43xx-class Didcot Railway Centre]</ref>(see below).
<gallery mode=packed heights=200px style="text-align:left">S0205_7325_Barry_David_Cooke.jpg|7325 at Barry scrapyard circa 1967 (David Cooke)</gallery> In mid-1972 the newly-formed '''Great Western Locomotive and Carriage Society ''' made '9303' <ref group="note">The GW(SVR)A customarily refers to the locomotive by its original number.</ref> its first target for preservation.<ref>SVR News 25</ref> The following year the Society merged with the Great Western Rolling Stock Fund to become the [[Great Western (SVR) Association]]. By spring 1974 volunteers were working on the locomotive at Barry, with the purchase being finalised in May 1974 with the aid of a loan in order to avoid a price increase proposed by Dai Woodham in June of that year.<ref>SVR News 31, 32, 87</ref> The locomotive moved from [[Barry Scrapyard]] to Worcester on 16 August 1975 in convoy with [[GWR 2857 Heavy Goods Loco|GWR 2857]], arriving on the SVR on 20 August.<ref>SVR News 42</ref><ref>[http://www.2857.org.uk/2857_2-preservation.html 2857.org.uk]</ref> In Autumn of that year a [[:Category:SVR fundraising lotteries| raffle organised by the SVRA Stourbridge Branch]] helped raise funds for the purchase of locomotive,<ref>SVR News 39</ref> It initially went to [[Bewdley]] before moving to [[Highley]] around summer 1977 "in store pending full restoration".<ref>SVR News 44</ref> By June 1979 it had returned to Bewdley, where the small restoration team was headed by Pete Simpson who was also responsible for the restoration of [[4566]] and [[5164]]. <gallery mode=packed heights=200px style="text-align:left">8233 7325 Bewdley 1979.jpg |7325 at Bewdley in June 1979, showing "Saved for S.V.R.!" on the tender, typical of locomotives saved from scrapping</gallery> Restoration of the mogul began in earnest once those locomotives were completed in July 1975 and October 1979 respectively.<ref>SVR News 52,87,157</ref> In 1982 another [[:Category:SVR fundraising lotteries|SVRA raffle]] was held to raise funds for work on the boiler and tender which were to be done as a contract job at Bridgnorth,<ref>SVR News 63</ref> and a further raffle organised by the [[Severn Valley Railway Association#SVRA_branches|SVRA Stourbridge Branch]] was held in spring 1988.<ref>SVR News 89, 90</ref> The locomotive was lifted back onto its main driving wheels at Bewdley in July 1988 with the aid of Bridgnorth's steam crane; a few weeks later it was jacked up for the completed pony truck to be added.<ref>SVR News 90</ref> In early 1989 it temporarily moved to Bridgnorth for the boiler to put back in the frames before returning to Bewdley. Work on the tender at Bridgnorth then involved fabrication of new drag boxes, the front third of the frames and a new floor for the tender tank. The tender then re-joined the locomotive at Bewdley where restoration continued as funds permitted.<ref>SVR News 93</ref> By December 1991 the locomotive was "98% complete" and had returned to Bridgnorth for final re-assembly. The boiler had been re-tubed and hydraulically tested.<ref>SVR News 101, 102</ref> On Thursday 25 June the locomotive moved under its own power for the first time, and after a quick repaint into unlined green, entered service in July 1992 as No 9303. It carried that livery until the end of that year, including appearances at the [[Autumn Steam Gala]] and [[Christmas services]], before entering Bridgnorth paint shop to receive a full repaint into BR lined green as No 7325, this livery correctly reflecting the absence of the additional buffer beam weight.<ref>SVR News 104, 105, 106</ref> The locomotive's mileage as subsequently reported in SVR News was as follows<ref>SVR News 152 p. 25., "SVR Steam Locomotive Mileages 1990-2004, Graham Nangreave</ref><ref group="note">The 1992 mileage was originally reported in SVR News 110 as 5,192 miles.</ref>:
<div id="MainLine"></div>
Between 1995 and 1998, 7325 made the following a number of appearances on the main line, including 'Steam on the Met' and double-heading the first preserved steam on the Lickey Incline. A full list is as follows:
{| class="wikitable mw-collapsible mw-collapsed"
!Date!!Tour name !! Route !! Notes !! Web !!SVR News
|25 Oct 1997||Meldon Meanderer || Bristol - Exeter - Meldon Quarry || D/H with 42968 || ||125-70
|-
|08 Nov 1997||Pilgrims Progres Progress || Exeter - Plymouth - Bristol || D/H with 42968 || ||125-70
|-
|15 Nov 1997||Hardy Flyer || Bristol Temple Meads - Yeovil Pen Mill - Bristol || D/H with 42968 || ||126-48
|}
Having entered service in 1992, it was anticipated that 7325 would be in use until 2002. However the locomotive succumbed to a severely leaking boiler in August 2000 during [[Severn Valley Railway Timeline 2000-2009#2000|that year’s ‘boiler crisis’'boiler crisis']].<ref>SVR News 134</ref> Following a quick cosmetic restoration the locomotive was placed on exhibition at the Steam Museum in Swindon, initially for ‘a couple of years’.<refgroup="note">SVR News 136. N.B., this 7325 was exhibited at the Steam Museum itself, not rather than at the adjacent Shopping Centre later occupied by 4930 and 7819.</ref> initially for 'a couple of years'.<ref>SVR News 136</ref> In late 2005 the SVR announced that the locomotive would return in time for the planned opening of [[The Engine House]] in May 2007.<ref>SVR News 152</ref> After the delay due to the [[2007 Storm Damage]], 7325 was eventually shunted into the Engine House on 16 March 2008 ready for the public opening five days later.<ref>SVR News 161</ref> At the Engine House the 'footplate' was accessible to allow visitors to climb aboard and learn how to operate a steam locomotive, and for weddings and civil ceremonies. <gallerymode=packed heights=200px style="text-align:left">
Hugh llewelyn 7325 (6240789503).jpg | 7325 in The Engine House
</gallery>
In March 2019 7325 was moved from the Engine House to storage in the [[Kidderminster Carriage Shed]], being replaced in the Engine House by [[7819]]. 7325 was available for footplate visits and photographs outside for the first time in many years when displayed in the dock platform at [[Kidderminster]] for the duration of the "Step Back to the 1940s" event in June/July 2019. The locomotive had featured in the wartime-set 1998 made-for-TV film [[Goodnight Mister Tom]], having been cosmetically repainted into somewhat dirty condition with no markings on the tender to disguise its more modern livery. This condition was re-created for the 2019 appearance.<ref>[https://www.facebook.com/svr1940s/ Severn Valley Railway 1940s event organiser updates on Facebook, 8 May 2019]</ref>
In September 2022 it 7325 was again displayed in the dock platform during the [[Open House Weekend#Heritage_Open_Days|Heritage Open Day]] and [[Autumn Steam Gala]], and again for the 2023 [[Spring Steam Gala]].
From April 2023 working parties at Bewdley MPD commenced preliminary restoration work, concentrating on the tender with planned activities such as a deep clean of the underside, needle-gunning and painting the coal space, restoration of latches on tool lockers and the like. This is intended to assist when the time eventually comes for its overhaul to start.
==Classmate 5532==
The other surviving member of the 4300 class, No. 5322, also had a brief association with the SVR in preservation. 5322 is an early Churchward example which was built in 1917 and saw service in France during World War I with the British Army's Railway Operating Division. It was withdrawn from BR service in April 1964 and arrived at Barry in November of that year.<ref>[[Bibliography#Other References|Beckett & Hardingham (2010)]] p. 62.</ref>
In January 1967 SVR News referred to recent announcements in the railway press of a proposal by David Rouse to acquire 5322. At the time, the "scrapping clause" still existed which prevented dealers such as Dai Woodham from buying locos from BR other than to be cut up for scrap. The SVR News article noted that if this could be overcome, the new owners intended to bring the locomotive to Bridgnorth.<ref>SVR News 4</ref> In the event this 'national appeal' failed and 5532 was instead acquired by a member of the Great Western Society, becoming in September 1969 the first GWR locomotive (and third overall) to leave Barry. After restoration at Caerphilly it was transferred to the Didcot Railway Centre in 1973 where it has been preserved since<ref>[[Bibliography#Other References|Beckett & Hardingham (2010)]] p. 71.</ref><ref>[https://didcotrailwaycentre.org.uk/article.php/72/5322-43xx-class Didcot Railway Centre]</ref>).
==See also==
*[[Steam Locomotives]]<br>*[[Goodnight Mister Tom]]<br>*[[Locomotives used on the Severn Valley Branch in commercial service|Classes of locomotives used on the Severn Valley Branch in commercial service]] ==Notes==<references group="note"/>
==References==
==Links==
*[http://www.gw-svr-a.org.uk/9303.html Great Western (SVR) Association 9303 page]<br>*[http://en.wikipedia.org/wiki/GWR_4300_Class GWR 4300 Class on Wikipedia]<br>*[https://www.facebook.com/groups/1627196624047687/ The Collett Mogul Supporters Group on Facebook]
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