List of SECR K and SR K1 class locomotives

A list of the names and numbers of the SECR K and SR K1 classes of 2-6-4 tank engines that formed the River class: locomotives initially running on the South Eastern and Chatham Railway (SECR), and subsequently operated by its successor, the Southern Railway (SR) from 1923. The majority of the class consisted of 2-cylinder locomotives built to an SECR design by Richard Maunsell, but one 3-cylinder version, the K1 class, was constructed by the Southern Railway in 1925. They were given the names of various rivers by the Southern Railway in a publicity measure to advertise the area that the railway served.^[1]

In 1928 the class was converted to the 2-cylinder U class and 3-cylinder U1 class 2-6-0 specifications after crews reported instability when running fast over the lightly laid rails of the former SECR network. The poor running culminated in the 1927 Sevenoaks railway accident, following which the locomotives were withdrawn. Once rebuilt, the former members of the K and K1 classes subsequently lost their names due to the bad publicity attached to them after this accident.^[1] All the rebuilt locomotives saw service with British Railways (BR), and all were withdrawn from service by 1966.

Tables of locomotive details

SECR and Southern Railway-built K class 2-cylinder locomotives

SECR No.	SR No (before/after rebuilding)	BR No. (as U class)	Name^[2]	Builder	Date built	Date Rebuilt as U class	Rebuilt at	Withdrawn	Notes
790	A790/1790	31790	River Avon	Ashford	000000001917-06-01-0000June 1917	000000001928-06-01-0000June 1928	Eastleigh	000000001965-05-01-0000May 1965
—	A791/1791	31791	River Adur	Armstrong Whitworth	000000001925-05-01-0000May 1925	000000001928-07-01-0000July 1928	Eastleigh	000000001966-06-01-0000June 1966
—	A792/1792	31792	River Arun	Armstrong Whitworth	000000001925-05-01-0000May 1925	000000001928-07-01-0000July 1928	Eastleigh	000000001964-09-01-0000September 1964
—	A793/1793	31793	River Ouse	Armstrong Whitworth	000000001925-05-01-0000May 1925	000000001928-06-01-0000June 1928	Eastleigh	000000001964-05-01-0000May 1964
—	A794/1794	31794	River Rother	Armstrong Whitworth	000000001925-05-01-0000May 1925	000000001928-06-01-0000June 1928	Eastleigh	000000001963-06-01-0000June 1963
—	A795/1795	31795	River Medway	Armstrong Whitworth	000000001925-06-01-0000June 1925	000000001928-06-01-0000June 1928	Eastleigh	000000001963-06-01-0000June 1963
—	A796/1796	31796	River Stour	Armstrong Whitworth	000000001925-06-01-0000June 1925	000000001928-07-01-0000July 1928	Eastleigh	000000001964-01-01-0000January 1964
—	A797/1797	31797	River Mole	Armstrong Whitworth	000000001925-06-01-0000June 1925	000000001928-06-01-0000June 1928	Ashford	000000001964-01-01-0000January 1964
—	A798/1798	31798	River Wey	Armstrong Whitworth	000000001925-06-01-0000June 1925	000000001928-08-01-0000August 1928	Ashford	000000001964-09-01-0000September 1964
—	A799/1799	31799	River Test	Armstrong Whitworth	000000001925-06-01-0000June 1925	000000001928-07-01-0000July 1928	Ashford	000000001965-02-01-0000February 1965
—	A800/1800	31800	River Cray	Brighton	000000001926-07-01-0000July 1926	000000001928-12-01-0000December 1928	Ashford	000000001965-10-01-0000October 1965	Involved in the 1927 Sevenoaks railway accident
—	A801/1801	31801	River Darenth	Brighton	000000001926-07-01-0000July 1926	000000001928-07-01-0000July 1928	Ashford	000000001964-06-01-0000June 1964
—	A802/1802	31802	River Cuckmere	Brighton	000000001926-08-01-0000August 1926	000000001928-07-01-0000July 1928	Ashford	000000001964-09-01-0000September 1964
—	A803/1803	31803	River Itchen	Brighton	000000001926-08-01-0000August 1926	000000001928-06-01-0000June 1928	Brighton	000000001966-03-01-0000March 1966
—	A804/1804	31804	River Tamar	Brighton	000000001926-09-01-0000September 1926	000000001928-06-01-0000June 1928	Brighton	000000001964-06-01-0000June 1964
—	A805/1805	31805	River Camel	Brighton	000000001926-10-01-0000October 1926	000000001928-03-01-0000March 1928	Ashford	000000001963-07-01-0000July 1963
—	A806/1806	31806	River Torridge	Brighton	000000001926-10-01-0000October 1926	000000001928-06-01-0000June 1928	Brighton	000000001964-01-01-0000January 1964	Converted to a U class locomotive, preserved on the Swanage Railway; Under overhaul
—	A807/1807	31807	River Axe	Brighton	000000001926-11-01-0000November 1926	000000001928-09-01-0000September 1928	Brighton	000000001964-01-01-0000January 1964
—	A808/1808	31808	River Char	Brighton	000000001926-11-01-0000November 1926	000000001928-07-01-0000July 1928	Brighton	000000001964-01-01-0000January 1964
—	A809/1809	31809	River Dart	Brighton	000000001926-12-01-0000December 1926	000000001928-07-01-0000July 1928	Brighton	000000001966-01-01-0000January 1966

Southern Railway-built K1 class 3-cylinder locomotive

SR No. (before/after rebuilding)	BR No. (as U1 class)	Name^[2]	Builder	Date built	Date Rebuilt as U1 class	Rebuilt at	Withdrawn	Notes
A890/1890	31890	River Frome	Ashford	000000001925-12-01-0000December 1925	000000001928-06-01-0000June 1928	Ashford	000000001963-06-01-0000June 1963	U1 class prototype

Unbuilt locomotives

A further 20 K class locomotives were projected, but the order was cancelled after the derailment of No. A800 River Cray at Sevenoaks, Kent in August 1927 and subsequent withdrawal of the class for rebuilding.^[3] The projected names were selected as thus:

A610 River Beaulieu, A611 River Blackwater, A612 River Bourne, A613 River Bray, A614 River Creedy A615 River Ebble, A616 River Eden, A617 River Anton, A618 River Hamble, A619 River Taw, A620 River Lymington, A621 River Parret, A622 River Medina, A623 River Exe, A624 River Allen, A625 River Seaton, A626 River Tiddy, A627 River Tavy, A628 River Lynher, A629 River Titchfield.

These unused K class numbers, but not the names, were later allocated to the first production batch of the U class 2-6-0 from 1928. Although a batch of ten K1 class locomotives was also ordered during 1927, no names had been allocated before cancellation.^[3]

Location link

Swanage Railway

References

Notes

1 2 Burridge, p. 48
1 2 Burridge, p. 49
1 2 Rowledge (1976), p. 22

Bibliography

Burridge, Frank (1975). Nameplates of the Big Four. Oxford: Oxford Publishing Company. ISBN 0-902888-43-9.
Rowledge, Peter (1976). Maunsell Moguls. Blandford Forum: The Oakwood Press.

External links

– Table showing key dates, mileage, running numbers, etc for the K and K1 locomotives
– Table showing key dates, mileage, running numbers, etc for the U class locomotives
– Table showing key dates, mileage, running numbers, etc for the U1 class locomotives

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