Highland Railway Strath Class

The Highland Railway Strath Class were 4-4-0 steam locomotives introduced in 1892, to the design of David Jones.

Highland Railway Strath or D class
Type and origin
Power typeSteam
DesignerDavid Jones
BuilderNeilson & Co.
Serial number4428–4438
Build date1892
Total produced12
Specifications
Configuration:
​
 • Whyte4-4-0
 • UIC2′B n2
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.3 ft 9+1⁄2 in (1.156 m)
Driver dia.6 ft 3 in (1.905 m)
Loco weight45 long tons 0 cwt (100,800 lb or 45.7 t)
Boiler4 ft 6 in (1.37 m) diameter
Boiler pressure160 lbf/in2 (1.10 MPa)
Heating surface1,242 sq ft (115.4 m2)
CylindersTwo, outside
Cylinder size18 in × 24 in (457 mm × 610 mm)
Valve gearStephenson
Performance figures
Tractive effort16,786 lbf (74.67 kN)
Career
OperatorsHighland Railway →
London, Midland & Scottish
ClassHR: Strath; D (from 1901)
Power classLMS: 1P
Number in class1 January 1923: 6
NumbersHR: 89–100
LMS 14271–14276
Retired1923–1930
DispositionAll scrapped

Construction

Twelve were built by Neilson and Company and delivered between May and July 1892.

Design

They were identical to the class E Clyde Bogies apart from having boilers of a larger diameter which allowed an increased heating surface.

Numbering
Table of locomotives
HR No.NameLMS No.WithdrawnNotes
89Sir George142711930
90Tweeddale—1923Renamed Grandtully in 1897. Renumbered 90A in 1919
91Strathspey—1923Renumbered 91A in 1919
92Strathdearn142721930Renamed Glendean at unknown date. Renumbered 92A in 1921
93Strathnairn—1923Renumbered 93A at unknown date.
94Strathtay142731924LMS number never applied
95Strathcarron142741930
96Glentilt—1923Renumbered 96A in 1922
97Glenmore—1923Renumbered 97A in 1922
98Glentruim142751930
99Glentromie—1923Renumbered 99A in 1922
100Glenbruar142761930

Transfer to LMS

Half of the class survived to be taken over by the London, Midland and Scottish Railway (LMS) at the 1923 Grouping but the last was withdrawn in 1930.

References
  • Baxter, Bertram (1984). Baxter, David (ed.). British Locomotive Catalogue 1825–1923, Volume 4: Scottish and remaining English Companies in the LMS Group. Ashbourne, Derbyshire: Moorland Publishing Company. pp. 193–194.
  • Casserley, H. C. & Johnston, Stuart W. (1974) [1966]. Locomotives at the Grouping 3: London, Midland and Scottish Railway. Shepperton, Surrey: Ian Allan. p. 136. ISBN 0-7110-0554-0.


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