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</noglossary>John <noglossary>Fowler </noglossary> 0-4-0DM shunter No 17 ‘Highflyer’ was the SVR’s first diesel locomotive. It arrived in 1971 and was used on engineers’ trains until 1981, when it suffered a catastrophic engine failure. It was scrapped the following year.

No 17 was built by John <noglossary>Fowler </noglossary> & Co of Leeds as Works No 22912 of 1940. It was a 150 h.p. Diesel Mechanical 0-4-0 shunter and was delivered new to the Royal Ordnance Factory at Swynnerton near Stone, Staffordshire in July 1940. In 1958 the locomotive moved to another Royal Ordnance Factory at Chorley Lancashire where it was given the number 17. However it soon became surplus to requirements there and was transferred to the Longmoor Military Railway, where it was used as an instructional locomotive for diesel fitters and engineering training.<ref name=SB6>SVR Stock Book Sixth Edition</ref>