Caledonian Railway 498 Class

The Caledonian Railway 498 Class was a class of 0-6-0 tank locomotives built for dock shunting. They were designed by John F. McIntosh for the Caledonian Railway (CR) and introduced in 1911. Twenty-three were built. They passed to the London, Midland and Scottish Railway (LMS) in 1923 and to British Railways (BR) in 1948. Their numbers are shown in the table below.

Caledonian Railway 498 Class
No. 16172 at Motherwell Locomotive Depot 15 August 1948
Type and origin
Power typeSteam
DesignerJohn F. McIntosh
BuilderSt. Rollox Works
Build date1911-1921
Total produced23
Specifications
Configuration:
​
 • Whyte0-6-0T
 • UICC
Gauge4 ft 8 1⁄2 in (1,435 mm) standard gauge
Driver dia.4 ft 0 in (1,219 mm)
Loco weight47.75 long tons (48.52 t; 53.48 short tons)
Fuel typeCoal
Boiler pressure160 lbf/in2 (1.10 MPa)
SuperheaterNone
CylindersTwo, outside
Cylinder size17 in × 22 in (432 mm × 559 mm)
Valve gearStephenson
Performance figures
Tractive effort18,015 lbf (80.1 kN)
Career
OperatorsCR, LMS, BR
ClassCR: 498
Power classLMS/BR: 2F
DispositionAll scrapped

The 498 Class was the prototype for the popular 3 1/2" gauge live steam locomotive design 'Rob Roy' by Martin Evans.[1]

Numbering table
CR nos. Quantity LMS nos. BR nos.
498-499 2 16151-16152 56151-56152
527-538 12 16153-16164 56153-56164
502-504 3 16165-16167 56165-56167
510-515 6 16168-16173 56168-56173

The engines were withdrawn between 1958 and 1962. [2]

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See also

References
  1. Rob Roy: how to build a simple 3 1/2 in. gauge 0-6-0 tank locomotive based on the dockyard engines of the old Caledonian Railway. Hemel Hempstead: Model and Allied Publications, 1972 (112 p). Rev ed: 1979
  2. Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, No.3, London Midland and Scottish, Ian Allan, 1966, p. 166


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