Caledonian Railway 294 and 711 Classes

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.[1][2]

Caledonian Railway 294 and 711 Classes
711 class No. 57472 at Bo'ness 4 October 1961
Type and origin
Power typeSteam
DesignerDugald Drummond
Build date1883-1897
Total produced244
Specifications
Configuration:
 • Whyte0-6-0
Gauge4 ft 8+12 in (1,435 mm)
Driver dia.5 ft 0 in (1.52 m)
Loco weight41.3 long tons (42.0 t)
Fuel typecoal
Boiler pressure150 psi (1,000 kPa)
CylindersTwo, inside
Cylinder size18 in × 26 in (457 mm × 660 mm)
Valve gearStephenson
Performance figures
Tractive effort17,901 lbf (79.63 kN)
Career
Operators
ClassCR: 294 and 711
Power classLMS: 2F
Numbers
  • LMS:17230-17392 (294) 17393-17473 (711)
  • BR:57230-57392 (294) 57393-57473 (711)
NicknamesJumbo
LocaleScottish Region
Withdrawn1946-1962
DispositionAll scrapped

Ownership changes

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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

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294 class No. 57361 at Polmadie Depot 15 August 1948
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The BR number series are not continuous because some locomotives were withdrawn before 1948.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

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References

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  1. ^ Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, No.3, London Midland and Scottish, Ian Allan, 1966, pp 176-177
  2. ^ "Rail UK Steam Loco Class Information". railuk.info. Retrieved 27 July 2021.