LMS 2-Cylindered Stanier 2-6-4T

LMS Stanier Class 4P 2-cylinder 2-6-4T
42444 at Bacup station, June 1959
Type and origin
Power typeSteam
DesignerWilliam Stanier
Builder
Build date1935–1943
Total produced206
Specifications
Configuration:
​
 • Whyte2-6-4T
 • UIC1′C2′ h2t
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.3 ft 3+1⁄2 in (1.003 m)
Driver dia.5 ft 9 in (1.753 m)
Trailing dia.3 ft 3+1⁄2 in (1.003 m)
Wheelbase38 ft 6 in (11.73 m)
Length47 ft 2+3⁄4 in (14.40 m)
Loco weight87.85 long tons (89.26 t; 98.39 short tons)
Fuel typeCoal
Fuel capacity3.5 long tons (3.6 t; 3.9 short tons)
Water cap.2,000 imp gal (9,100 L; 2,400 US gal)
Firebox:​
 • Grate area26+3⁄4 sq ft (2.49 m2)
BoilerLMS type 4C
Boiler pressure200 lbf/in2 (1.4 MPa)
Heating surface:​
 • Firebox139 or 143 sq ft (12.9 or 13.3 m2)
 • Tubes and flues1,126 or 1,223 sq ft (104.6 or 113.6 m2)
Superheater:
​
 • Heating area185 to 285 sq ft (17.2 to 26.5 m2)
CylindersTwo, outside
Cylinder size19+5⁄8 in × 26 in (500 mm × 660 mm)
Valve gearWalschaerts
Performance figures
Tractive effort24,670 lbf (109.7 kN)
Career
Operators
Power class
  • LMS: 4P
  • BR: 4MT
Withdrawn1960–1967
DispositionAll scrapped

Sir William Stanier's London, Midland and Scottish Railway (LMS) Class 4P 2-Cylinder 2-6-4T was a class of 206 steam locomotive built between 1935 and 1943. They were based on his LMS 3-Cylinder 2-6-4T.

Numbering

[edit]
numbers Lot No. date built Built at
LMS BR
2425–75 42425–75 128 1937 Derby
2476–94 42476–94 128 1936 Derby
2537–44 42537–44 127 1935 Derby
2545–2609 42545–609 133 1936 North British 24301–365
2610–17 42610–17 133 1937 North British 24366–373
2618–51 42618–51 144 1938 Derby
2652 42652 144 1939 Derby
2653 42653 148 1940 Derby
2654–62 42654–62 148 1941 Derby
2663–70 42663–70 148 1942 Derby
2671/2 42671/2 148 1943 Derby

The LMS numbered them 2425–94, and then 2537–672, BR adding 40000 to their numbers to make them 42425–94, and then 42537–672. The LMS classified them 4P, BR 4MT. They were the basis for the LMS Fairburn 2-6-4T.

Accidents and incidents

[edit]
Main article: Irk Valley Junction rail crash
  • On 15 August 1953, locomotive No. 42474 was hauling a passenger train which collided with an electric multiple unit that overran signals at Irk Valley Junction, Manchester, Lancashire. The junction is on a viaduct, and one of the carriages of the electric multiple unit plunged 40 feet (12 m) into the River Irk. Ten people were killed and 58 were injured.[1]

Film use

[edit]

No 2429 had a starring role as Celia Johnson's branch line engine in the 1945 film Brief Encounter, which was made at Carnforth station during the winter of 1944–45. The BR numberplate (42429) was sold at a BR auction held in the old Refreshment Room at Southport Chapel Street station.[citation needed]

Withdrawal

[edit]

The first withdrawal was in 1960, with the last in 1967. None have been preserved (though the original of the 3-Cylinder 2-6-4T version, number 2500, is preserved at the National Railway Museum, and two examples of the nearly identical LMS Fairburn 2-6-4T are also still in existence).

Table of withdrawals
Year Quantity in
service at
start of year		 Quantity
withdrawn		 Locomotive numbers
1960 206 2 42450/90.
1961 204 17 42427–28/38/67/71/75/79, 42539/45/49/52/70,
42627/35/37/48/69.
1962 187 43 42429/33/43/48/52/54/57/70/72–73/76/83,
42537–38/40–41/44/53/68/75–76/78–80/85/91/93/96/99,
42600/15/21/24/38/41–42/46/53/58/61/66/71–72.
1963 144 29 42425/40/58/66/69/80/85–87/91,
42543/47/56–57/61/63/71/82/92/95/98,
42603/17/32/36/43/55/59/68.
1964 115 51 42434/37/41/44–46/49/51/53/61/63/74/81/89/93,
42550–51/59–60/62/65/69/72–73/84/86/88–89/94,
42602/05/07–08/12/14/19–20/23/28–31/33/39–40/51–52/54/57/62/70.
1965 64 38 42426/30/32/35/39/42/47/56/59–60/64–65/68/77–78/82/85/92/94,
42542/54–55/58/64/66–67/90/97,
42601/04/09/18/26/34/45/49/60/67.
1966 26 11 42431/36/55/62/84, 42581/83, 42606/10/25/64.
1967 15 15 42546/48/74/77/87, 42611/13/16/22/44/47/50/56/63/65.

Models

[edit]

In 2008, Hornby Model Railways released Stanier's 4MT as a OO gauge ready-to-run model.[2] Two versions were due to be released; one in LMS Black, the other in BR Black (early and late).

A pre-war O gauge model of this locomotive was produced by Marklin for Bassett-Lowke models in 1937; this continued in UK production by Winteringham until 1957. This model has been reproduced in O gauge by ACE Trains in 2009; both LMS and BR black versions have been manufactured.

References

[edit]
  1. ^ Earnshaw, Alan (1993). Trains in Trouble: Vol. 8. Penryn: Atlantic Books. p. 27. ISBN 0-906899-52-4.
  2. ^ Wild, Mike (February 2008). "Hornby's Stanier '4MT' steams in". Hornby Magazine. No. 8. Hersham: Ian Allan Publishing. pp. 76–77. ISSN 1753-2469. OCLC 226087101.
  • Rowledge, J.W.P. (1975). Engines of the LMS built 1923–51. Oxford: Oxford Publishing Company. ISBN 0-902888-59-5.

Further reading

[edit]
Wikimedia Commons has media related to LMS Stanier Class 4 2-cylinder 2-6-4T.
  • Dent, George (February 2008). "From Fowler to Fairburn: the LMS 2-6-4T story". Model Rail. No. 114. Peterborough: EMAP Active. p. 41. ISSN 1369-5118. OCLC 173324502.
  • Green-Hughes, Evan (February 2008). "Stanier's standard-setting 2-6-4s". Hornby Magazine. No. 8. Hersham: Ian Allan Publishing. pp. 72–75. ISSN 1753-2469. OCLC 226087101.


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