The LSWR H16 class were five
4-6-2 tank locomotives designed by
Robert Urie
Robert Wallace Urie (22 October 1854 – 6 January 1937) was a Scottish locomotive engineer who was the last chief mechanical engineer of the London and South Western Railway.
Career
After serving an apprenticeship with and working for variou ...
for the
London and South Western Railway
The London and South Western Railway (LSWR, sometimes written L&SWR) was a railway company in England from 1838 to 1922. Originating as the London and Southampton Railway, its network extended to Dorchester and Weymouth, to Salisbury, Exete ...
(LSWR) in 1921–1922. They were the last new design for the LSWR and their only Pacific-type design.
Background
As part of the project to construct a marshalling yard at Feltham in West
London
London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
, Urie produced two locomotive designs, the
G16 "Black Tanks" to shunt the new yard, and the H16 "Green Tanks" to work transfer freights to the London area yards of the other railway companies.
Construction history
Livery and numbering
LSWR and Southern Railway
When originally built they were numbered 516–520. On passing to the
Southern Railway, they had their LSWR numbers prefixed with an ‘E’. The locomotives lost the prefix between 1931–32. The Southern Railway painted the H16 class in passenger green paint, rather than goods engine black.
[ Russell (1991). p. 262]

Post-1948 (nationalisation)
All five engines were passed to British Railway who renumbered them 30516–30520. All were withdrawn in 1962, and scrapped.
References
Notes
Bibliography
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{{SR Locomotives
H16
4-6-2T locomotives
Railway locomotives introduced in 1921
Scrapped locomotives
Standard gauge steam locomotives of Great Britain