. "170"^^ . "The London and North Western Railway (LNWR) Class B was a class of 0-8-0 steam locomotives introduced in 1901. A development of the three-cylinder compound Class A (though this letter classification was not introduced until 1911), they had a 4-cylinder compound arrangement. 170 were built between 1901-1904."@en . . "4"^^ . "1904Z"^^ . "1901Z"^^ . "LNWR Class B"@en . . .