LSWR H16 class

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LSWR H16 class
Vauxhall Empty stock train from Waterloo geograph-2647595-by-Ben-Brooksbank.jpg
H16 class 4-6-2T No. 30517 takes an empty stock train from Waterloo through Vauxhall on Saturday 25 August 1962
Type and origin
Power type Steam
Builder LSWR Eastleigh Works
Build date November 1921 – February 1922
Total produced 5
Configuration 4-6-2T
UIC classification 2′C1′ h2t
Gauge 4 ft 8 12 in (1,435 mm)
Leading wheel
3 ft 7 in (1.092 m)
Driver diameter 5 ft 7 in (1.702 m)
Trailing wheel
3 ft 7 in (1.092 m)
Length 46 ft 0 in (14.02 m)
Width 9 ft 2 in (2.79 m)
Height 13 ft 3 14 in (4.04 m)
Axle load 19.80 long tons (20.12 t)
Locomotive weight 96.40 long tons (97.95 t)
Fuel type Coal
Fuel capacity 3.50 long tons (3.56 t)
Water capacity 2,000 imp gal (9,100 l; 2,400 US gal)
Boiler pressure 180 psi (1.24 MPa)
Firegrate area 27 sq ft (2.5 m2)
Heating surface:
– Tubes and flues
1,267 sq ft (117.7 m2)
– Firebox 139 sq ft (12.9 m2)
Superheater type Eastleigh (later Maunsell)
Superheater area 231 sq ft (21.5 m2)
Cylinders Two, outside
Cylinder size 21 in × 28 in (533 mm × 711 mm)
Performance figures
Tractive effort 28,200 lbf (125.4 kN)
Class LSWR / SR: H16
Power class
  • LSWR/ SR: A
  • BR: 5F (later 6F)
  • LSWR: 516–520
  • SR: E516–E520 → 516–520
  • BR: 30516–30520
Nicknames Green Tanks
Withdrawn 1962
Disposition All scrapped

The LSWR H16 class were five 4-6-2 tank locomotives designed by Robert Urie for the London and South Western Railway (LSWR) in 1921–1922.


As part of the project to construct a marshalling yard at Feltham, 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[edit]

Year Order Quantity LSWR numbers Notes

Livery and numbering[edit]

LSWR and Southern Railway[edit]

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.[1]

Post-1948 (nationalisation)[edit]

All five engines were passed to British Railway who renumbered them 30516–30520. All were withdrawn in 1962, and scrapped.



  1. ^ Russell (1991). p. 262


  • Russell, J.H (1991). A Pictorial Record of Southern Locomotives. OPC Haynes. pp. 262–263.