The NBR Class N (later LNER Class D25) was a class of 4-4-0 steam locomotive of the North British Railway. The class was designed by Matthew Holmes (Locomotive Superintendent) and later rebuilt by Holmes's successor, Reid. [1] A total of 12 were produced.

The Holmes D25 (NBR Class N) 4-4-0 Locomotives. These locomotives were designed by Holmes for the North British Railway (NBR) in preparation for the re-opening of the Tay Bridge and through workings between Burntisland and Aberdeen. Designed for faster running, the D25s were built with 7ft diameter wheels.

The LNER 4-4-0 'American' Locomotives D25-D54. Due to the large number of 4-4-0s, this index has been split into two: The 4-4-0 Locomotive Classes D1 - D24, can be found here. The 4-4-0 Tender Locomotive Classes D25 - D54

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 LNER 4-4-0 'American' Locomotives D1-D24. The 4-4-0 was introduced to Britain in the 1850s with outside cylinders. The inside cylinder form became the archetypical British express locomotive in the late 19th Century. When superseded by Atlantics or 4-6-0s the type was versatile enough to continue on secondary passenger duties in many areas.

Mar 21, 2025 · Covers the design, history, and performance of LNER 4-4-0 locomotives from their creation to the 1960s.

This download shows the number of locomotives built for LNER stock for each year from 1923 to 1947, plus locomotives of LNER design built after nationalisation. It combines the annual figures given in the Locomotive Policy and Construction section of Volume 1 (pp15-21).

This second volume on the LNER 4-4-0 locomotives describes the design, construction, history, operation and performance of the North Eastern, North British, Great North of Scotland and Gresley LNER built examples, classified by the LNER at the Grouping as classes, D17 - D24, D25 - D36, D38 - D48 and D49 respectively.

Following on from the Class K (LNER D32 - Locobase 7527) locomotives, these Reid-designed Eight-wheeled express passenger engines continued the basic 4-4-0 layout used on the NBR. They pulled a larger tender than the Ks and had a slightly smaller boiler.

This section of the LNER Encyclopedia describes all of the locomotive classes to serve with the LNER. The LNER would often denote major modifications with a slash. E.g. B16/2 is a modified B16. Occasionally such modifications would be so substantial that a completely new class number would be given (eg. an A3 is a modified A1).