Caledonian Railway 0-6-0 no. 828 on a north-bound train consisting 5 LMS vehicles during the SVR autumn steam gala in September 2011. The Caledonian Railway 812 Class, or "Jumbos" is a class of 0-6-0 steam tender locomotive designed by John F. McIntosh and introduced in 1899. It featured the boiler from the 721 "Dunalastair" Class 4-4-0s. Photo DGC.