Under the initial scheme for the creation of a series of British Railways standard locomotives, larger passenger and mixed traffic types were intended to be of the 4-6-2 Pacific wheel … See more

Designed at the drawing offices of Derby Works, the new class was constructed at British Railways' Crewe Works between 1951 and 1952. The initial order was for 25 locomotives, but such was the immediacy of demand regarding a smaller version of the … See more

The livery of the Clans was a continuation of the standard British Railways green applied to express passenger locomotives after nationalisation, lined in orange and black. The class was given the power classification 6P. Following on from the Britannias, the … See more

1. ^ Clarke, David: Riddles Class 6/7 Standard Pacifics, pp.80–87
2. ^ Atkins 1992, p. 10.
3. ^ … See more

The arrangement consisted of a modified Standard Class 7 boiler, with smaller steel cylinders and other modifications to save weight and hence increase route availability. The wider firebox, designed for use with cheaper imported coal, was also utilised to spread … See more

The Clan Class had a mixed reception when first introduced to British Railways locomotive crews because there were only 10 locomotives in a class that was mostly confined to the North … See more

None of the original engines survived into preservation, however progress is being made by a Registered Charity (No. 1062320), the … See more