LSWR X6 class
No. 666 was built 1892, withdrawn 1943 and dumped at Eastleigh - 11 July 1946
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+12 in (1,435 mm)
Leading dia.3 ft 7 in (1.092 m)
Driver dia.6 ft 7 in (2.007 m)
Length54 ft 5+38 in (16.60 m)
Height13 ft 2+34 in (4.03 m)
Fuel typeCoal
Boiler pressure175 psi (1.21 MPa)
CylindersTwo, outside
Cylinder size19 in × 26 in (483 mm × 660 mm)
Performance figures
Tractive effort17,673 lbf (78.6 kN)
Career
OperatorsLSWR · Southern Railway
ClassX6
Power classSR: I
Withdrawn1933–1946
DispositionAll scrapped

The LSWR X6 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 1895 and 1896.

The class were numbered 657–666, and just as the T3 class were a smaller-wheeled version of the X2 class, the X6 class were a smaller-wheeled version of the T6 class. The boiler was identical to that used the T6 class.[1] Some of the engines were subsequently fitted with a Drummond boiler, including No. 658 which was the last Adams 4-4-0 to remain in service.[2]

Table of locomotive orders
YearOrderQuantityLSWR NumbersNotes
1895X610657–666

All passed to the Southern Railway at the grouping in 1923. Withdrawals started in 1933, and by the start of World War II, only six remained. Five were retired during the war, leaving only No. 658, which was withdrawn in December 1946. All were scrapped.

Table of withdrawals
YearQuantity in
service at
start of year
Quantity
withdrawn
Locomotive numbersNotes
1933102662, 665
193683660, 661, 663
194051657
194241664
194332659, 666
194611658

References

  • Burtt, F. (March 1949). Morris, O.J. (ed.). LSWR Locomotives: A Survey 1873-1922. London: Ian Allan. 21/230/50/349.
  • Russell, J. H. (1991). A Pictorial Record of Southern Locomotives. OPC-Haynes. pp. 187–188.
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