BR Class 37 renumbering

The 309 members of the class 37 underwent many changes in their long career on British railways. Under the TOPS system each change was reflected in a change of identity. This table attempts to catalogue those changes.Some loco's were allocated numbers on TOPS but never actually carried them, these have been struckthrough The names shown are those carried at some stage in the loco's career. Names in italics are unofficial.The D prefix was generally dropped after 1967. * Name never carried in traffic.** Names allocated but plates never fitted.

BR Class 37 renumbering

The 309 members of the class 37 underwent many changes in their long career on British railways. Under the TOPS system each change was reflected in a change of identity. This table attempts to catalogue those changes.Some loco's were allocated numbers on TOPS but never actually carried them, these have been struckthrough The names shown are those carried at some stage in the loco's career. Names in italics are unofficial.The D prefix was generally dropped after 1967. * Name never carried in traffic.** Names allocated but plates never fitted.