Great Western Railway 2021 class Saddle Tank 0-6-0 Great Western Railway 2021 class Saddle Tank 0-6-0 One of the loco's I have built for my proposed Edwardian GWR layout. Constructed using a Zero Zephers kit, with additional detail and running on Slaters wheels. wenlock in Great Western Railway 2021 class Saddle Tank 0-6-0 June 7, 2012 2