"Hall"@en . . . "2.4384"^^ . "259"^^ . "19.2024"^^ . "1943Z"^^ . "1928Z"^^ . . . . "3.9624"^^ . "The Great Western Railway (GWR) 4900 Class or Hall Class is a class of 4-6-0 mixed traffic steam locomotives designed by Charles Collett. A total of 259 were built, numbered 4900\u20134999, 5900\u20135999 and 6900\u20136958. The LMS Stanier Class 5 4-6-0 and LNER Thompson Class B1 both drew heavily on design features of the Hall Class. After nationalisation in 1948, British Railways gave them the power classification 5MT."@en . "GWR 4900 Class"@en .