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The LSWR 445 class was a class of express passenger 4-4-0 steam locomotives designed for the London and South Western Railway by William Adams. Twelve were constructed by Robert Stephenson and Company in 1883.

This article relies largely or entirely on a single source. (December 2014)

LSWR 445 class
Type and origin Power type Steam Designer William Adams Builder Robert Stephenson & Co. Serial number 2535–2546 Build date 1883 Total produced 12
Specifications Configuration: ​  • Whyte 4-4-0  • UIC 2'Bn Gauge 4 ft 8+1⁄2 in (1,435 mm) Leading dia. 3 ft 7 in (1.092 m) Driver dia. 7 ft 1 in (2.159 m) Length 51 ft 11+3⁄8 in (15.83 m) Height 13 ft 2+3⁄4 in (4.03 m) Axle load 15.00 long tons (15.24 t) Adhesive weight 29.75 long tons (30.23 t) Loco weight 46.05 long tons (46.79 t) Tender weight 32.25 long tons (32.77 t) Fuel type Coal Water cap. 2,800 imp gal (13,000 l; 3,400 US gal) Boiler pressure 160 psi (1.10 MPa) Cylinders Two, outside Cylinder size 18 in × 24 in (457 mm × 610 mm)
Performance figures Tractive effort 12,442 lbf (55.3 kN)
Career Operators LSWR · SR Class 445 Power class SR: K Withdrawn 1923–1925 Disposition All scrapped

The class were numbered 445–456, and were an enlarged version of the 135 class.

Table of locomotive orders

Year	Builder	Quantity	LSWR Numbers	Notes
1883	Robert Stephenson & Co. 2535–2546	12	445–456

All were renumbered in to the duplicate list as 0445–0456 between 1908 and 1911.

All passed to the Southern Railway at the grouping in 1923. Withdrawals started in the same year, with four being retired in 1924, and the last seven were withdrawn in 1925. All were scrapped.

References

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