NER Class X was created in 1909.
NER Class C was created in 1886.
NER Class D was created in 1913.
NER Class E was created in 1886.
NER Class H was created in 1888.
NER Class K was created in 1890.
NER Class O was created in 1894.
NER Class P was created in 1894.
NER Class R was created in 1899.
NER Class S was created in 1899.
NER Class T was created in 1901.
NER Class Y was created in 1910.
NER Class L was created in 1891.