Changes

Rolling stock in the 86nnn range was renumbered under TOPS in the 1980s, possibly to prevent confusion by clerical staff with numbers issued to Class 86 diesel locomotives, and M86523 became M93523 in March 1984.<ref>[[Bibliography#Other References|Longworth (2013)]] p.222.</ref> A rebuild for use as a containerised mail van resulted in a further renumbering as 95157 in June 1992,<ref>[[Bibliography#Other References|Longworth (2013)]] p.236.</ref> later renumbered as 94157 in September 1994.<ref>[[Bibliography#Other References|Longworth (2013)]] p.232.</ref> This configuration included roller shutter doors, steel floors and plated over windows; the TOPS code NKA also indicating fitting with air brakes only<ref name=SVR155>SVR News 155</ref> It is equipped with commonwealth bogies.<ref>Railway Heritage Register Carriage Survey</ref>

94157 and [[BR 94200 General Utility Van|94200 (earlier 86207)]] were declared surplus to requirements by EWS Railways at Old Oak Common in 2006. They were delivered to Kidderminster on 13 March 2006, having been acquired by [[SR 34027 Taw Valley]] owner Phil Swallow to keep parts secure during the locomotive’s overhaul.<ref name=SVR155/>