Type 3 locomotives: 1500–1999hp List of British Rail modern traction locomotive classes

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relation between tops, 1955 , 1962 classes, , pre-tops , tops numbers (unless otherwise given):




^ cite error: named reference atg1 invoked never defined (see page).
^ marsden (1983).
^ chapman (2007).
^ fox & pritchard (2003).
^ ian allan (1969), p. 42.
^ cite error: named reference atg2 invoked never defined (see page).
^ reed (1974).
^ andy coward (30 january 2008). hymeks: big class short life . rail. uk: bauer media (584): 56–59. issn 0953-4563. 
^ rolling stock : class 37 english electric . thejunction.org.uk. 2006-08-17. retrieved 2007-02-14. 
^ hunt (2005).
^ casserley (1962).






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