Complex sentence: The N class was mechanically similar to the contemporary SECR K class 2-6-4 passenger tank engine and influenced future 2-6-0 development in Britain, providing the basis for the three-cylinder N1 class of 1922.
Split into simpler sentences: The N class was mechanically similar to the contemporary SECR K class 2-6-4 passenger tank engine and influenced future 2-6-0 development in Britain. It also provided the basis for the three-cylinder N1 class of 1922.