The Class 37 is nearing its 60th birthdray and continues in daily use on the nationanetwork. One of the most usefuvariants is the ‘37/4’, which was upgraded to supply Electric Train Heat in the 1980s. EVAN GREEN-HUGHES looks at the development and life of this 31 strong sub-fleet.
WITHOUT DOUBT one of the most successfulocomotives arising from the modernisation of British Railways in the late 1950s has been the Class 37. Conceived purely as a generamixed traffic locomotive, the design has gone on to be used for everything from express trains to overnight sleepers and heavy freight during its six-decade career.