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.

Power typeSteam

Power typeSteam

DesignerWilliam Adams

BuilderLSWR Nine Elms Works

Quick facts Type and origin, Power type ...

LSWR T6 class
Type and origin Power type Steam Designer William Adams Builder LSWR Nine Elms Works Build date 1895–1896 Total produced 10
Specifications Configuration: ​  • Whyte 4-4-0  • UIC 2′B n2 Gauge 4 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) Length 54 ft 5+3⁄8 in (16.60 m) Height 13 ft 2+3⁄4 in (4.03 m) Axle load 16.20 long tons (16.46 t) Adhesive weight 31.70 long tons (32.21 t) Loco weight 50.125 long tons (50.929 t) Tender weight 36.20 long tons (36.78 t) Fuel type Coal Fuel capacity 3.00 long tons (3.05 t) Water cap. 3,300 imperial gallons (15,000 L; 4,000 US gal) Boiler pressure 175 psi (1.21 MPa) Cylinders Two, outside Cylinder size 19 in × 26 in (483 mm × 660 mm)
Performance figures Tractive effort 16,426 lbf (73.1 kN)
Career Operators LSWR · Southern Railway Class T6 Power class SR: I Withdrawn 1933–1943 Disposition All scrapped

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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]

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.