GWR 4400 Class

4 ft 8+1⁄2 in (1,435 mm) standard gaugeLeading dia.3 ft 2 in (965 mm)Driver dia.4 ft 1+1⁄2 in (1,257 mm)Trailing dia.3 ft 2 in (965 mm)Length36 ft 4+1⁄2 in (11.087 m)Width8 ft 7 in (2.616 m)Height12 ft 5+9⁄16 in (3.799 m)Loco weight56 long tons 13 cwt (57.6 t)
(63.4 short tons)Fuel typeCoalFuel capacityOriginally: 2 long tons 3 cwt (4,800 lb or 2.2 t)
Later: 2 long tons 17 cwt (6,400 lb or 2.9 t)Water cap.1,000 imp gal (4,500 L; 1,200 US gal)Boiler:
​ • TypeStandard 5^[1]Boiler pressure180 lbf/in² (1.24 MPa)CylindersTwo, outsideCylinder size17 in × 24 in (432 mm × 610 mm)

Performance figures
Tractive effort	21,440 lbf (95.37 kN)

Career
Operators	Great Western Railway British Railways
Locale	Western Region
Withdrawn	December 1949 – September 1955
Disposition	All scrapped

Sources for technical data: ^[2]

The Great Western Railway (GWR) 4400 Class was a class of 2-6-2T side tank steam locomotive.

History

They were introduced in 1904 for work on small branch lines. The 4500 class was a later development with larger driving wheels. The 4400s were particularly used in hilly districts, notably the Princetown and Much Wenlock Branches.^[2] All were withdrawn and scrapped between 1949 and 1955.^[2]

The 4400, 4500 and 4575 classes, which all had 24 in (610 mm) stroke cylinders, the Standard 5 boiler and driving wheels under 5 ft (1.524 m), were collectively known as "Small Prairies", as opposed to the 5100, 3150, 5101, 6100, 3100 and 8100 classes, with 30 in (762 mm) stroke cylinders, Standard 2 or 4 boilers and driving wheels over 5 ft (1.524 m), known as "Large Prairies".

See also

• GWR 4500 Class
• GWR 4575 Class
• List of GWR standard classes with two outside cylinders

References

• Whitehurst, Brian (1973). Great Western Engines, Names, Numbers, Types and Classes (1940 to Preservation). Oxford, UK: Oxford Publishing Company. ISBN 978-0-9028-8821-0. OCLC 815661.

External links

• Class 4400 Details at Rail UK