Caledonian Railway 294 and 711 Classes

Caledonian Railway 294 and 711 Classes
Caledonian Railway 294 and 711 Classes
	711 class No. 57472 at Bo'ness 4 October 1961
Power type
Type and origin
Power type	Steam
Designer	Dugald Drummond
Build date	1883-1897
Total produced	244
Configuration:;
Specifications
Configuration:;
• Whyte	0-6-0
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	5 ft 0 in (1.52 m)
Loco weight	41.3 long tons (42.0 t)
Fuel type	coal
Boiler pressure	150 psi (1,000 kPa)
Cylinders	Two, inside
Cylinder size	18 in × 26 in (457 mm × 660 mm)
Valve gear	Stephenson
Tractive effort
Performance figures
Tractive effort	17,901 lbf (79.63 kN)
Operators
Career
Operators	Caledonian Railway; London, Midland and Scottish Railway; British Railways;
Class	CR: 294 and 711
Power class	LMS: 2F
Numbers	LMS:17230-17392 (294) 17393-17473 (711); BR:57230-57392 (294) 57393-57473 (711);
Nicknames	Jumbo
Locale	Scottish Region
Withdrawn	1946-1962
Disposition	All scrapped

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]

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.

294 class No. 57361 at Polmadie Depot 15 August 1948

CR nos.	LMS nos.	BR nos.
Various	17230-17392	57230-57392

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The BR number series are not continuous because some locomotives were withdrawn before 1948.

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

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