Caledonian Railway 60 Class

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Caledonian Railway 60 Class
(details for original CR batch)
Motherwell Locomotive Depot Caledonian '60' class 4-6-0 geograph-2741275-by-Ben-Brooksbank.jpg
Pickersgill/Hughes 4P 4-6-0 No. 14640 at Motherwell Locomotive Depot, 15 August 1948.
Type and origin
Power typeSteam
Designer William Pickersgill
Builder St. Rollox Works
Order numberY115, Y116
Build dateNovember 1916 – April 1917
Total produced6
Specifications
Configuration:
​
 •  Whyte 4-6-0
 •  UIC 2′C h2
Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia. 3 ft 6 in (1.067 m)
Driver dia.6 ft 1 in (1.854 m)
Loco weight75 long tons (76 t; 84 short tons)
Tender weight46.5 long tons (47.2 t; 52.1 short tons)
Fuel typeCoal
Boiler pressure175 lbf/in2 (1.21 MPa)
Heating surface1,676 sq ft (155.7 m2)
Superheater:
​
 • Type Robinson
 • Heating area258.3 sq ft (24.00 m2)
Cylinders Two, outside
Cylinder size 20 in × 26 in (508 mm × 660 mm)
Valve gear Stephenson
Valve type Piston valves
Performance figures
Tractive effort 21,795 lbf (96.95 kN)
Career
Operators
Class CR: 60
Power classLMS: 4P
Numbers
  • CR: 60–65
  • LMS: 14630–14655
Withdrawn1944 (1), 1946–1953
DispositionAll scrapped

The Caledonian Railway 60 Class were 4-6-0 passenger engines designed by William Pickersgill and introduced in 1916. Six locomotives were constructed by the Caledonian Railway at its St. Rollox works between 1916 and 1917, all of which transitioned to LMS (London, Midland and Scottish Railway) ownership in 1923. An additional twenty locomotives, featuring slight design modifications, were produced under the direction of George Hughes for the LMS between 1925 and 1926.

Contents

While the 60 Class locomotives were robust and free-steaming, they were also unsophisticated and exhibited lethargic performance given their size. Although initially classified as passenger locomotives by the LMS, they were frequently deployed on goods trains later in their service life. This shift in usage earned them the nickname Greybacks, likely referencing their long, grimy boilers. Alternatively, the nickname may have been an insult coined by former Glasgow and South Western Railway enginemen, as "greyback" was an old term for a louse. [1]

Withdrawals from service began in 1944, but twenty-three locomotives remained operational when British Railways was formed in 1948. The final locomotives were retired in 1953, and none of the class were preserved, with all locomotives ultimately scrapped.

Numbering and locomotive histories

sources Longworth (2005) [2] and RailUK [3] [4]

Technical details

Pickersgill Caledonian Railway design

See box, top right. [5]

Hughes LMS development of Pickersgill design

The locomotives built by the LMS had slightly larger cylinders and weighed slightly less than the original CR locomotives. Details were as for the CR locomotives except: [6]

References

  1. ↑ Atkins, C. P. (1976), The Scottish 4-6-0 Classes, Ian Allan, p.53
  2. ↑ Longworth, Hugh (2005), British Railway Steam Locomotives 1948-1968, page 166
  3. ↑ "Rail UK Steam Loco Class Information". Railuk.info. Retrieved 26 May 2013.
  4. ↑ "Rail UK Steam Loco Class Information". Railuk.info. Retrieved 26 May 2013.
  5. ↑ "Rail UK Steam Loco Class Information". Railuk.info. Retrieved 21 June 2012.
  6. ↑ Atkins, C. P. (1976), The Scottish 4-6-0 Classes, Ian Allan, p.109
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