Caledonian Railway 179 and 184 Classes

This article is about the 4-6-0 goods locomotives built in 1913-15. For the 4-4-0 "Oban Bogie" locomotives built in 1882, see Caledonian Railway 179 Class.

Type and origin
Power type	Steam
Designer	John F. McIntosh
Builder	St. Rollox
Build date	1913-15
Total produced	11

Specifications
Configuration	4-6-0
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Driver dia.	5 ft 9 in (1.75 m)^[1]
Loco weight	68.5 tons^[1]
Tender weight	38 tons^[1]
Boiler pressure	170psi^[1]
Superheater	Robinson^[2]
Cylinders	Two, inside
Cylinder size	19.5 in × 26 in (495 mm × 660 mm)^[1]
Valve gear	Stephenson

Performance figures
Tractive effort	20,700 lbf (92 kN)^[1]

Career
Operators	CR • LMS
Class	CR: 179 and 184
Power class	LMS: 3F

The Caledonian Railway 179 Class and 184 Class were 4-6-0 mixed-traffic locomotives^[3] designed by John F. McIntosh and built in two batches in 1913-14 and 1914-15 respectively, at the Caledonian Railway's own St. Rollox Works. The differences between the two batches were minor, and they are often considered to be a single class.

Overview

They were the last new locomotives designed by McIntosh before his retirement. The type was essentially a superheated version of the earlier 908 Class and were built primarily for use on express goods trains, although they also worked on passenger traffic and were painted in the Caledonian's blue passenger livery. The locomotives were the most successful of McIntosh's various 4-6-0 designs.^[4]

LMS ownership

The locomotives passed into the ownership of the London, Midland and Scottish Railway upon its formation in 1923. Although the older 908 Class were treated as passenger locomotives by the LMS, the 179s were classified as a freight type and were repainted into unlined black freight livery. They continued in use until they were displaced by new LMS standard locomotives such as the Black Five 4-6-0s.

Disposal

Although they outlasted most of the other McIntosh 4-6-0s they were withdrawn and scrapped between 1934 and 1946,

Numbering and Locomotive Histories

CR no.	LMS no.	Delivered	Works	Withdrawn	Class
179	17905	000000001913-12-01-0000Dec 1913	St. Rollox	000000001945-12-01-0000Dec 1945	179 Class
180	17906	000000001913-12-01-0000Dec 1913	St. Rollox	000000001936-02-01-0000Feb 1936	179 Class
181	17907	000000001914-01-01-0000Jan 1914	St. Rollox	000000001935-11-01-0000Nov 1935	179 Class
182	17908	000000001914-01-01-0000Jan 1914	St. Rollox	000000001946-02-01-0000Feb 1946	179 Class
183	17909	000000001914-02-01-0000Feb 1914	St. Rollox	000000001936-11-01-0000Nov 1936	179 Class
184	17910	000000001914-12-01-0000Dec 1914	St. Rollox	000000001936-09-01-0000Sep 1936	184 Class
185	17911	000000001914-12-01-0000Dec 1914	St. Rollox	000000001935-04-01-0000Apr 1935	184 Class
186	17912	000000001915-01-01-0000Jan 1915	St. Rollox	000000001937-06-01-0000Jun 1937	184 Class
187	17913	000000001915-02-01-0000Feb 1915	St. Rollox	000000001934-11-01-0000Nov 1934	184 Class
188	17914	000000001915-02-01-0000Feb 1915	St. Rollox	000000001935-06-01-0000Jun 1935	184 Class
189	17915	000000001915-02-01-0000Feb 1915	St. Rollox	000000001935-03-01-0000Mar 1935	184 Class

source: BritishSteam^[5]

References

1 2 3 4 5 6 Atkins, C. P. (1976), The Scottish 4-6-0 Classes, Ian Allan, p.105
↑ Atkins, C. P. (1976), The Scottish 4-6-0 Classes, Ian Allan, p.43
↑ Essery, Bob & Jenkinson, David (1986), An Illustrated History of L.M.S. Locomotives, Volume Three: Absorbed Pre-Group Classes, Northern Division, OPC, p.104
↑ Atkins, C. P. (1976), The Scottish 4-6-0 Classes, Ian Allan, p.48
↑ "BritishSteam locomotive information". BritishSteam.com. Retrieved 2013-05-26.

Caledonian Railway locomotives

Robert Sinclair (1847–1856)	59 (2-2-2) 96 101 111

Benjamin Connor (1856–1876)	59 (2-4-0) 552 600

George Brittain (1876–1882)	1 130 140 152 179 485 486 670

Dugald Drummond (1882–1890)	66 80 123 124 171 262 264 272 294 323

Hugh Smellie (1890)	Appointed 1 September 1890. Died 19 April 1891

John Lambie (1891–1895)	1 13 19 211 538A

John F. McIntosh (1895–1914)	29 43 49 55 92 139 140 179 184 439 498 611 652 711 721 766 782 812 879 900 903

William Pickersgill (1914–1923)	60 72 113 159 191 300 431 956

Miscellaneous	Highland Railway River Class

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