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The LSWR 135 class was a class of 4-4-0 express steam locomotives designed by William Adams for the London and South Western Railway and introduced in 1880. They were built by Beyer, Peacock and Company and received LSWR numbers 135–146.[1]

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

LSWR 135 class
Type and origin Power type Steam Designer William Adams Builder Beyer, Peacock and Company Serial number 1948–1959 Build date 1880–1881 Total produced 12
Specifications Configuration: ​  • Whyte 4-4-0 Gauge 4 ft 8+1⁄2 in (1,435 mm) Leading dia. 3 ft 4 in (1.016 m) Driver dia. 6 ft 7 in (2.007 m) Total weight 73 tons Fuel type Coal Boiler pressure 160 lbf/in2 (1.10 MPa) Cylinders Two, outside Cylinder size 18 in × 24 in (457 mm × 610 mm)
Performance figures Tractive effort 13,387 lbf (59.55 kN)
Career Operators London and South Western Railway Southern Railway Class New: 135 1902: 0135 1914: 0307 Power class SR: K Locale Great Britain Withdrawn 1913–1924 Disposition All scrapped

Twelve locomotives were purchased and placed in service between November 1880 and January 1891. They were placed on the duplicate list and renumbered 0135 to 0146 in 1902. Seven were withdrawn in 1913; the remaining five, 135, 139, 140, 143 and 144 were renumbered in 1914. They became 0370, 0307, 0310, 0312 and 0347 respectively, still on the duplicate list. This renumbering effectively changed their classification to 0307 class. Only two were still in service to pass to the Southern Railway in 1923, but they were withdrawn the following year.

Table of withdrawals

Year	Quantity in service at start of year	Quantity withdrawn	Locomotive numbers	Notes
1913	12	7	0136–0138, 0141, 0142, 0145, 0146
1921	5	1	0347
1922	4	2	0370, 0312
1924	2	2	0307, 0310

References

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