What is BR standard class 5?
[[File:73129 Understeam at Railex 2013 Butterley 02.jpg|thumb|Preserved BR standard class 5 number 73129]] The '''BR standard class 5''' [[4-6-0]] was one of the 12 [[Steam locomotives of British Railways#BR Standard Classes|standard classes]] of [[steam locomotive]] built by [[British Railways]] in the 1950s. It was essentially a development of the [[LMS]] Stanier Class 5 4-6-0. 172 were built between 1951 and 1957 and they were numbered 73000–73171. Five locomotives have been preserved. {{BRstds}} {{transport-stub}} [[Category:British Rail]] [[Category:British Railways steam locomotives]]