page_title: British Rail Class 41 (HST)
section_title: History
hierarchical_section_title: British Rail Class 41 (HST) / History
caption_attribution_description: English: HST 41001 Rear
context_page_description: The British Rail Class 41 were two powercars built in 1972 by British Rail Engineering Limited's Crewe Works to operate with the prototype High Speed Train (HST) with Mark 3 carriages.
context_section_description: Two power cars were built in 1972 by British Rail Engineering Limited's Crewe Works, numbered 41001 and 41002. They initially conducted tests on the East Coast Main Line with the set based at Neville Hill TMD.
  Having accumulated more than 100,000 miles, including setting a diesel train speed record of 143 mph between Northallerton and Thirsk in June 1973, they moved to the Great Western Main Line in 1974. On 5 May 1975, both entered revenue service on Great Western services between London Paddington and Bristol Temple Meads / Weston-super-Mare.
  After the Class 252 re-classification these were renumbered into the carriage numbering range as 43000 and 43001.
  After being replaced by production Class 43 HST powercars in the early 1980s, both were allocated to the Railway Technical Centre and used in various high speed trials associated with the Advanced Passenger Train and InterCity 225 projects. In December 1990 41002 was scrapped at CF Booth, Rotherham while 41001 was restored cosmetically and donated to the National Railway Museum (NRM).
  In 2011 the NRM agreed a lease with the 125 Group that resulted in 41001 moving from York to Neville Hill TMD in March 2012 to be restored to operational condition. As part of this move, it was re-registered on TOPS as Class 43/9 locomotive 43000.
  Upon completion it was based at the Great Central Railway (Nottingham). In November 2014, 41001 hauled its first passenger train since 1976, a special named the Screaming Valenta on the Grand Central Railway with a short-formed East Midlands Trains HST set with a Class 43 on the other end.
  After suffering engine problems at the Keighley & Worth Valley Railway in May 2019 it was moved to Neville Hill TMD for repairs.
  In October 2019 the NRM announced it had terminated the loan agreement, citing severe contract breaches that the 125 Group disputed with 41001 returned to the NRM in November 2019.
caption: 41001 rear/side view
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