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Specifications
Specifications
Configuration:;
• Whyte	0-6-0ST
• UIC	Cnt
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	4 ft 3 in (1.295 m)
Length	27 ft 1+1⁄2 in (8.27 m)
Height	13 ft 2 in (4.01 m)
Axle load	12.00 long tons (12.2 t)
Adhesive weight	37.60 long tons (38.2 t)
Loco weight	34.975 long tons (35.5 t)
Fuel type	Coal
Water cap.	800 imp gal (3,600 L; 960 US gal)
Boiler pressure	150 psi (1.03 MPa)
Cylinders	Two, inside
Cylinder size	17 in × 24 in (432 mm × 610 mm)

Type and origin
Type and origin
Power type	Steam
Builder	Beyer, Peacock and Company
Serial number	BP 1591–1596, 1698–1699, 2125–2136
Build date	1876 (6), 1877 (2), 1882 (12)
Total produced	20

LSWR 330 class
LSWR 330 class
Power type
Type and origin
Power type	Steam
Builder	Beyer, Peacock and Company
Serial number	BP 1591–1596, 1698–1699, 2125–2136
Build date	1876 (6), 1877 (2), 1882 (12)
Total produced	20
Configuration:;
Specifications
Configuration:;
• Whyte	0-6-0ST
• UIC	Cnt
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	4 ft 3 in (1.295 m)
Length	27 ft 1+1⁄2 in (8.27 m)
Height	13 ft 2 in (4.01 m)
Axle load	12.00 long tons (12.2 t)
Adhesive weight	37.60 long tons (38.2 t)
Loco weight	34.975 long tons (35.5 t)
Fuel type	Coal
Water cap.	800 imp gal (3,600 L; 960 US gal)
Boiler pressure	150 psi (1.03 MPa)
Cylinders	Two, inside
Cylinder size	17 in × 24 in (432 mm × 610 mm)
Tractive effort
Performance figures
Tractive effort	17,340 lbf (77.1 kN)
Operators
Career
Operators	LSWR · SR
Class	330
Power class	LSWR / SR: not classified
Number in class	1 January 1923: 20
Nicknames	Saddlebacks
Withdrawn	1924–1933
Disposition	All scrapped

The LSWR 330 class or Saddlebacks was a class of goods 0-6-0 ST steam locomotives designed for the London and South Western Railway. Twenty were constructed by Beyer, Peacock and Company between 1876 and 1882.

William George Beattie ordered the first six of the Beyer, Peacock-designed 330 class in October 1875. Intended for shunting work, prior to their arrival the LSWR had relegated old locomotives to shunting duties, a task they were unsuitable for and frequently caused delays.^[1] Delivered in May 1876, the success of these in the yards near Nine Elms led to two more being ordered the following January, which were delivered in June 1877. Beattie resigned in early 1878, and his successor, William Adams, later ordered twelve more which were delivered in May–June 1882.^[2]

While the first six and last six members of the class were numbered in blocks of new numbers from 330 to 335 and 409 to 414, the eight locomotives built in between these re-used numbers of withdrawn or duplicated locomotives.^[3]

Table of locomotive orders
Year	Builder	Quantity	LSWR Numbers	Notes
1876	Beyer, Peacock & Co. 1591–1596	6	330–335
1877	Beyer, Peacock & Co. 1698–1699	2	227–228	Renumbered 316 and 328 in 1899
1883	Beyer, Peacock & Co. 2125–2136	12	127–128, 131, 149–150, 161, 409–414

Whilst the first six were sent to Nine Elms depot when new, no. 332 was tried out at various locations on the LSWR during 1876. The two built in 1877 went to Northam (Southampton), and later deliveries were used elsewhere on the LSWR system. By 1885 there were nine at Nine Elms; three each at Exeter and Northam; two at Basingstoke and one each at Dorchester, Guildford and Salisbury.^[2]

In order to release their numbers for new Adams O2 class locomotives, two locomotives, nos. 227 and 228, were renumbered into the duplicate list by prefixing their existing number with a "0" in 1894, becoming 0227 and 0228. They were returned to the capital list in 1899, by renumbering them 316 and 328. The other eighteen were transferred to the duplicate list between 1902 and 1911; finally, 316 and 328 went back on the duplicate list in 1912 and 1911 respectively, becoming 0316 and 0328.^[2]

All passed to the Southern Railway at the grouping in 1923. Withdrawals started the following year, and by the end of 1930 only five remained. Numbers 0128 and 0423 were withdrawn in 1931, 0335 was sold to Kent and East Sussex Railway in 1932, and 0332 and 0334 were withdrawn by the Southern Railway in 1933, after 57 years of service. All were scrapped, with K&ESR No. 4 (ex 0335) lasting until 1948.^[4]^{[page needed]}

Table of withdrawals
Year	Quantity in service at start of year	Quantity withdrawn	Locomotive numbers	Notes
1924	20	4	0131, 0330, 0409, 0414
1925	16	2	E0127, E0412	E0127 sold to East Kent Light Railway
1926	14	1	E0161
1927	13	1	E0411
1929	12	3	E0150, E0328, E0333
1930	9	4	E0149, E0316, E0331, E0410
1931	5	2	3128, 3413
1932	3	1	3335	sold to Kent and East Sussex Railway
1933	2	2	3332, 3334

References

^ Russell (1991). p. 141
^ ^a ^b ^c Bradley 1965, p. 98.
^ Bradley 1965, pp. 98, 100.
^ Garrett (1972).

Bibliography

Bradley, D.L. (1965). Locomotives of the L.S.W.R.: Part 1. Kenilworth: RCTS. ISBN 0-901115-08-8.
Garrett, Stephen R. (1972). The Kent & East Sussex Railway. Tarrant Hinton: The Oakwood Press. ISBN 9780853611004.
Russell, J. H (1991). A pictorial record of Southern locomotives. Haynes. ISBN 9780860934431. OCLC 60084499.