4150 was purchased at a cost of £2,750 from Barry in 1973 by [[The 4150 Fund]]. No 4150 left Barry in 1974 in company with No.7812 Erlestoke Manor, and was towed by a Class 25 diesel to Parkend on the Dean Forest Railway.
Restoration at Parkend proved impossible, and in 1977 the Fund’s shareholders voted to move 4150 to the SVR, with the locomotive arriving at [[Bewdley]] on 19 January 1978. Restoration commenced following arrival in [[Bewdley Down Yard|Bewdley Yard]], but by the mid-80s fund raising and restoration progress had slowed considerably. In 2007 the Fund formed a new committee, and with renewed enthusiasm began a concerted effort to complete the restoration which had by then been in progress for more than 30 years. By 2014 a new bunker had been completed except for riveting and welding, and construction of new tanks was in progress.
Restoration commenced following arrival in [[Bewdley Down Yard|Bewdley Yard]], but by By November 2016 the mid-80s fund raising and restoration progress Fund received confirmation that 4150 had slowed considerably. In 2007 the Fund formed a new committee, and with renewed enthusiasm began a concerted effort to complete slot in the restoration which had by then been Bridgnorth Boiler Shop in progress for more than 30 years. By 2014 a new bunker had been completed except for riveting and welding, and construction the last quarter of new tanks was in progress2017. By December 2016<ref>4150 Fund Newsletter 2017, January 2017</ref> The following month riveting of the side tanks and bunker was complete, leaving the baffles and other hidden parts to be welded in place after the major assemblies had been lifted on to the frames , to minimise the risk of distortion. It was then intended that the locomotive would be moved to [[Bridgnorth Loco Works]] for continuation of the overhaul in early 2017.<ref>[http://www.svrlive.com/copy-of-news-160916-2-55577 SVR Live - 4150 - Prairie Tank, Ex GWR]</ref><ref>[http://www.4150.org.uk/news/4150_sept16.html The 4150 Fund - September 2016 Restoration Update]</ref> In November 2016 the 4150 Fund received confirmation that 4150 has a slot in the Bridgnorth Boiler Shop in the last quarter of 2017.<ref>4150 Fund Newsletter 2017, January 2017</ref> In late March 2017 , however, the locomotive left the 'tent' so that the boiler could be lifted onto [[GWR 40554 Chaired Sleeper Wagon|wagon 40554]] for preparation work to begin, with a decision to be taken in April 2017 whether this will be carried out at Bewdley or Bridgnorth. At the same time the newly fabricated tanks and bunker, plus the cab roof, were lifted onto the frames. 4150 was then moved back into the tent for work to continue. The entire operation took three days and entailed a major re-arrangement of the rolling stock in Bewdley yard.{{As of|2017}} it is intended the boiler due to go to Bridgnorth for its overhaul in November.<ref>[http://www.svr.co.uk/pdf/Special%20Events/SVR%20Peep%20Behind%20the%20Scenes%202017.pdf Peep Behind The Scenes leaflet July 2017]</ref>
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