Caledonian Railway 670 Class

Caledonian Railway 670 Class
Type and origin
Power type Steam
Designer George Brittain
Build date 1878-1881
Total produced 30
Specifications
Configuration 0-4-2
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Driver diameter 5 ft 0 in (1.524 m)
Loco weight 34.6 long tons (35.2 t; 38.8 short tons)†
36.95 long tons (37.54 t; 41.38 short tons)††
Boiler pressure 140 psi (970 kPa)†
150 psi (1,000 kPa)††
Cylinders Two, outside
Cylinder size 17 in × 24 in (432 mm × 610 mm)
Valve gear Stephenson
Performance figures
Tractive effort 13,756 lbf (61.19 kN)†
14,739 lbf (65.56 kN)††
Career
Operators CR  LMS
Class CR: 670
Power class LMS: Unclassified
Withdrawn 1923

The Caledonian Railway 670 Class was a class of 0-4-2 steam locomotives designed by George Brittain for the Caledonian Railway (CR) and introduced in 1878. [1]

Ownership changes

Nine locomotives were withdrawn in 1922, or earlier. Twenty-one survived into the ownership of the London, Midland and Scottish Railway (LMS) in 1923; these were withdrawn between 1923 and 1932.[2]

Numbering

CR nos. Quantity LMS nos. Notes
Various 7 17000-17006
Various 14 17007-17020 ††
Notes

References

  1. Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, No.3, London Midland and Scottish, Ian Allan, 1966, page 170
  2. Baxter, Bertram (1984). Baxter, David, ed. British Locomotive Catalogue 1825-1923, volume 4: Scottish and remaining English Companies in the LMS Group. Ashbourne: Moorland Publishing. pp. 68–69.
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