LSWR T6 class

The LSWR T6 class was a class of express passenger 4-4-0 steam locomotives designed for the London and South Western Railway by William Adams. Ten were constructed at Nine Elms Locomotive Works between 1885 and 1886.

LSWR T6 class
Type and origin
Power typeSteam
DesignerWilliam Adams
BuilderLSWR Nine Elms Works
Build date1895–1896
Total produced10
Specifications
Configuration:
​
 • Whyte4-4-0
 • UIC2′B n2
Gauge4 ft 8 1⁄2 in (1,435 mm)
Leading dia.3 ft 9 3⁄4 in (1.162 m)
Driver dia.7 ft 1 in (2.159 m)
Length54 ft 5 3⁄8 in (16.60 m)
Height13 ft 2 3⁄4 in (4.03 m)
Axle load16.20 long tons (16.46 t)
Adhesive weight31.70 long tons (32.21 t)
Loco weight50.125 long tons (50.929 t)
Tender weight36.20 long tons (36.78 t)
Fuel typeCoal
Fuel capacity3.00 long tons (3.05 t)
Water cap3,300 imperial gallons (15,000 l; 4,000 US gal)
Boiler pressure175 psi (1.21 MPa)
CylindersTwo, outside
Cylinder size19 in × 26 in (483 mm × 660 mm)
Performance figures
Tractive effort16,426 lbf (73.1 kN)
Career
OperatorsLSWR · Southern Railway
ClassT6
Power classSR: I
Withdrawn1933–1943
DispositionAll scrapped

The class were numbered 677–686, and were a development of the X2 class, based on experience gained with the locomotives in traffic. The boiler was based on that used in the T3 class, and shared the main dimensions.[1]

Table of locomotive orders
YearOrderQuantityLSWR NumbersNotes
1895T610677–686

All passed to the Southern Railway at the grouping in 1923. Withdrawals started in 1933, and by the end of 1937 only two remained. No. 684 went in 1940, and the last, 681 was retired in April 1943. All were scrapped.

Table of withdrawals
YearQuantity in
service at
start of year		Quantity
withdrawn		Locomotive numbersNotes
1933102677, 683
193684678, 682, 685, 686
193742679, 680
194021684
194311681

References
  1. Russell 1991, p. 185.
  • Russell, J. H. (1991). A Pictorial Record of Southern Locomotives. OPC-Haynes. pp. 185–186.
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