The Holmes D26 (NBR Class K) 4-4-0 Locomotives. All of Holmes' passenger tender locomotives used the 4-4-0 wheel arrangement, but the North British Railway (NBR) Class K (LNER D26) were his final and greatest design. The twelve D26s were ordered in …

The NBR K Class is a class of 4-4-0 steam locomotive of the North British Railway. The first batch (later LNER Class D26) was designed by Matthew Holmes in 1902 and had 6-foot-6-inch (1.981 m) driving wheels for express passenger work.

The NBR K Class is a class of 4-4-0 steam locomotive of the North British Railway. The first batch (later LNER Class D26) was designed by Matthew Holmes in 1902 and had 6-foot-6-inch (1.981 m) driving wheels for express passenger work.

The London and North Eastern Railway (LNER) produced several classes of locomotive, mostly to the designs of Nigel Gresley, characterised by a three-cylinder layout with a parallel boiler and round-topped firebox.

The first batch (later LNER Class D26) was designed by Matthew Holmes in 1902 and had 6-foot-6-inch (1.981 m) driving wheels for express passenger work. Three more batches (later LNER Classes D32, D33, and D34 ) were designed by William P. Reid with 6-foot-0-inch (1.829 m) driving wheels for mixed traffic work.

Quick Facts NBR K Class LNER Class D26 / D32 / D33 / D34, Type and origin ... The NBR K Class is a class of 4-4-0 steam locomotive of the North British Railway. The first batch was designed by Matthew Holmes in 1902 and had 6-foot-6-inch (1.981 m) driving wheels for express passenger work.

The NBR K Class is a class of 4-4-0 steam locomotive of the North British Railway. The first batch (later LNER Class D26) was designed by Matthew Holmes in 1902 and had 6-foot-6-inch (1.981 m) driving wheels for express passenger work.

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.

LNER Class D26 Twelve engines ordered in March 1902 and built at Cowlairs railway works in 1903. Three were withdrawn in 1922, leaving nine to enter LNER ownership in 1923.