A number of different numbering and classification schemes were used for the locomotives owned by the London and North Eastern Railway (LNER) and its constituent companies. This page explains the principal systems that were used. The following abbreviations for the constituent companies are used on this page:
The constituent companies of the LNER operated no specific numbering system. Locomotives were numbered in a range starting from 1, with new locomotives being given numbers according to one of three different ways:
New numbers at the end of the existing series;
'Significant numbers' (e.g. the first of the GER's new passenger locomotive class built from 1900 was numbered......