 The first new design was to become Maunsell's N class 2-6-0.The N class was designed by Maunsell in 1914 to provide a sturdy mixed-traffic locomotive with high route availability.Intended to replace several obsolete 0-6-0 types, the N class was the first step in the SECR's fleet standardisation programme, which also included the K class 2-6-4T passenger tank locomotive.