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 type Steam Designer John F. McIntosh Builder St. Rollox Works Build date 1911-1921 Total produced 23
Specifications Configuration: ​  • Whyte 0-6-0T  • UIC C Gauge 4 ft 8 ^1⁄2 in (1,435 mm) standard gauge Driver dia. 4 ft 0 in (1,219 mm) Loco weight 47.75 long tons (48.52 t; 53.48 short tons) Fuel type Coal Boiler pressure 160 lbf/in^2 (1.10 MPa) Superheater None Cylinders Two, outside Cylinder size 17 in × 22 in (432 mm × 559 mm) Valve gear Stephenson
Performance figures Tractive effort 18,015 lbf (80.1 kN)
Career Operators CR, LMS, BR Class CR: 498 Power class LMS/BR: 2F Disposition All 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The engines were withdrawn between 1958 and 1962.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]

See also

• Locomotives of the Caledonian Railway
• Locomotives of the London, Midland and Scottish Railway

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

External links

• Railuk database