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The London, Midland and Scottish Railway (LMS) Fowler 2-6-2T was a class of steam locomotive. The LMS classified them 3P, BR 3MT. All were built at Derby Works between 1930 and 1932. William Stanier used them to form the basis for the LMS Stanier 2-6-2T, which was essentially a taper boilered version.

LMS Fowler 3P 2-6-2T
40022 near Radlett on the St Pancras - Leicester line
Type and origin
Power typeSteam
DesignerSir Henry Fowler
BuilderLMS Derby Works
Build date1930–1932
Total produced70
Specifications
Configuration:
​
 • Whyte2-6-2T
 • UIC1′C1′ 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 3 in (1.600 m)
Trailing dia.3 ft 3+1⁄2 in (1.003 m)
Wheelbase33 ft 3 in (10.13 m)
Length41 ft 11+3⁄4 in (12.795 m)
Loco weight70.5 long tons (71.6 t; 79.0 short tons)
71.8 long tons (73.0 t; 80.4 short tons) with condensing apparatus
Fuel typeCoal
Fuel capacity3 long tons (3.0 t; 3.4 short tons)
Water cap.1,500 imp gal (6,800 l; 1,800 US gal)
Firebox:
 • Firegrate area		17.5 sq ft (1.63 m2)
BoilerLMS type G6S
Boiler pressure200 lbf/in2 (1.4 MPa)
Heating surface:
 • Tubes		691 sq ft (64.2 m2)
 • Firebox104 sq ft (9.7 m2)
Superheater:
​
 • Heating area173 sq ft (16.1 m2) or 186 sq ft (17.3 m2)
CylindersTwo, outside
Cylinder size17+1⁄2 in × 26 in (444 mm × 660 mm)
Performance figures
Tractive effort21,486 lbf (95.57 kN)
Career
Operators
  • London, Midland and Scottish Railway
  • → British Railways
Power class
  • LMS: 3P
  • BR: 3MT
Numbers
  • LMS 15500–15569
  • → LMS 1–70 (1934)
  • → BR 40001–40070
Withdrawn1959–1962
DispositionAll scrapped

Numbering


They were initially numbered 15500–15569, but from 1934 were renumbered 1–70. After nationalisation in 1948 British Railways added 40000 on to their numbers to number them 40001–70.

Numbers Lot
Number		 Date
built
Original LMS 1934 BR
15500–20 1–21 40001–21 21 1930
15521–49 22–50 40022–50 29 1931
15550–69 51–70 40051–70 20 1932

Variations


Numbers 15520–39 (later 21–40 and 40021–40) were fitted with condensing apparatus to work around London. Some of the non-condensing ones were fitted with vacuum operated pull and push control.


Withdrawal


All were withdrawn between 1959 and 1962. None were preserved.

Table of withdrawals
YearQuantity in
service at
start of year		Quantity
withdrawn		Locomotive numbers
1959703240002/04–05/08/13/17/19/21/23/25/27/30/39–40/43–48/52/55–56/58–61/65–69.
196038940011–12/14/28/36/41/57/62/70.
1961292240001/03/07/10/15–16/18/20/29/32–35/37–38/42/49–51/53–54/64.
19627740006/09/22/24/26/31/63.

References




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