The Caledonian Railway 294 and 711 Classes (nicknamed "Jumbo") were 0-6-0 steam locomotives designed by Dugald Drummond for the Caledonian Railway (CR) and introduced in 1883. After Drummond's retirement, construction of the class continued under Smellie, Lambie and McIntosh.Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, No.3, London Midland and Scottish, Ian Allan, 1966, pp. 176–177
Ownership changes All 244 locomotives survived to be absorbed by the London, Midland and Scottish Railway (LMS) in 1923 and 238 survived into British Railways (BR) ownership in 1948.
Numbering 294 Class CR nos. LMS nos. BR nos. Various 17230–17392 57230–57392
711 Class CR nos. LMS nos. BR nos. Various 17393–17473 57393–57473
The BR number series are not continuous because some locomotives were withdrawn before 1948.
See also Locomotives of the Caledonian Railway
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