Pre-Owned R40346 BR MK1 Brake Force Runner 'DB977351'Pre Owned Item, in as new condition. The first standardised railway carriage design built by British Railways, the Mk 1 Coach introduced in 1951 could be found across Britain's railway network and continued to be produced until 1963, and even later in the form of multiple units and non passenger stock. Along with being widely deployed, Mk1 Coaches were built in various places including Derby, Doncaster, Eastleigh, Swindon, Wolverton and York. Most Mk1