LSWR 460 class information

Specifications
Specifications
Configuration:;
• Whyte	4-4-0
• UIC	2′B n2
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)
Length	51 ft 11+3⁄8 in (15.83 m)
Height	13 ft 2+3⁄4 in (4.03 m)
Axle load	15.25 long tons (15.49 t)
Adhesive weight	29.80 long tons (30.28 t)
Loco weight	45.75 long tons (46.48 t)
Tender weight	28.90 long tons (29.36 t)
Fuel type	Coal
Water cap.	2,350 imp gal (10,700 L; 2,820 US gal)
Boiler pressure	160 psi (1.10 MPa)
Cylinders	Two, outside
Cylinder size	18 in × 24 in (457 mm × 610 mm)

Type and origin
Type and origin
Power type	Steam
Designer	William Adams
Builder	Neilson & Co. (10),; Robert Stephenson & Co. (11)
Serial number	Neilson 3190–3199,; RS 2561–2570, 2650
Build date	1884 (20), 1887 (1)
Total produced	21

LSWR 460 class
LSWR 460 class
Power type
Type and origin
Power type	Steam
Designer	William Adams
Builder	Neilson & Co. (10),; Robert Stephenson & Co. (11)
Serial number	Neilson 3190–3199,; RS 2561–2570, 2650
Build date	1884 (20), 1887 (1)
Total produced	21
Configuration:;
Specifications
Configuration:;
• Whyte	4-4-0
• UIC	2′B n2
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)
Length	51 ft 11+3⁄8 in (15.83 m)
Height	13 ft 2+3⁄4 in (4.03 m)
Axle load	15.25 long tons (15.49 t)
Adhesive weight	29.80 long tons (30.28 t)
Loco weight	45.75 long tons (46.48 t)
Tender weight	28.90 long tons (29.36 t)
Fuel type	Coal
Water cap.	2,350 imp gal (10,700 L; 2,820 US gal)
Boiler pressure	160 psi (1.10 MPa)
Cylinders	Two, outside
Cylinder size	18 in × 24 in (457 mm × 610 mm)
Tractive effort
Performance figures
Tractive effort	13,387 lbf (59.5 kN)
Operators
Career
Operators	LSWR · SR
Class	460
Power class	SR: K
Withdrawn	1924–1929
Disposition	All scrapped

The LSWR 460 class was a class of express passenger 4-4-0 steam locomotives designed for the London and South Western Railway by William Adams. Twenty were constructed by Neilson and Company and Robert Stephenson and Company in 1884, and one in 1887.

Adams had originally ordered ten locomotives from each manufacturer in 1884. In 1887, Robert Stephenson and Company built an additional locomotive for display at a Jubilee exhibition in Newcastle upon Tyne, after which, it was later sold to the LSWR.^[1] The class were numbered 147, 460–478 and 526, and were a small-wheeled version of the 445 class.

Table of locomotive orders
Year	Builder	Quantity	LSWR Numbers	Notes
1884	Neilson & Co. 3190–3199	10	460–469
1884	Robert Stephenson & Co. 2561–2570	10	147, 470–478
1887	Robert Stephenson & Co. 2650	1	526	Former exhibition locomotive

All except 526 were renumbered into the duplicate list as 0147, 0460–0478 between 1908 and 1924.

All passed to the Southern Railway at the grouping in 1923. Withdrawals started in the following year, with the last two, 467 and 470 being withdrawn in 1929. All were scrapped.

Table of withdrawals
Year	Quantity in service at start of year	Quantity withdrawn	Locomotive numbers
1924	21	1	E0465
1926	20	5	E0461, E462A, E0463, E475A, E0476
1927	15	5	E0147, E464A, E0469, E0472, E0477
1928	10	7	E0466, E0468, E0471, E473A, E0474, E0478, E526
1929	3	3	E0460, E0467, E0470

^ Russell 1991, p. 156.

[FOOTNOTERussell1991156-1] Russell 1991, p. 156.

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