GWR Class 850 0-6-0 Pannier Tank

 Built 1881-95, Designed by William Dean and Joseph Armstrong. Total Number Built - 120.
Introduced 1874. Dean and J Armstrong GWR saddle tank. Built Wolverhampton 1881-1895.
(a) Introduced 1910. Rebuilt with pannier tanks.

Number Series 1901-2020.
(a) 1901-1924, 1926-2006, 2008-2020

Built at Great Western Railway Wolverhampton Works.

1901-1908 Lot No. J2 1881
1909-1912 Lot No. J2 1882
1913-1924 Lot No. L2 1882
1925 Lot No. O2 1883
1926-1936 Lot No. O2 1884
1937-1942 Lot No. Q2 1886
1943-1948 Lot No. Q2 1887
1949-1960 Lot No. R2 1888
1961-1966 Lot No. T2 1889
1967-1972 Lot No. T2 1890
1973-1981 Lot No. V2 1890
1982-1984 Lot No. V2 1891
1985-1996 Lot No. X2 1891
1997-2001 Lot No. Y2 1891
2002-2008 Lot No. Y2 1892
2009-2014 Lot No. Z2 1894
2015-2020 Lot No. Z2 1895

The first withdrawal was 1933 in March 1928 and the last loco 2012 was withdrawn from Birkenhead shed in June 1958. None are preserved.

Unless stated otherwise, Photographs in this section are © copyright of Milburn Associates.

[2004] [JPEG Image of 2004 size 39K]

GWR 850 Class - 2004 at Swindon in original saddle tank form.

[1967] [JPEG Image of 1967 size 24K]

GWR 850 Class - 1967 at Swindon in rebuilt pannier tank form - Photo BR(WR).

Motive Power Details - GWR 850 Class

Data taken from the PC TOPS Steam Locomotive Database System by Milburn Associates 


Class  Region  Wheels       Class Name            Designer
 850    GWR    0-6-0PT                            Dean/Armstrong

Weight:
Loco  36 tons  3 cwt            Driving Wheel: 4' 1"
                                Boil Press: 165lb/sq in NS
Cylinders:                      Valve Gear: Stephenson (slide valves)
Two 16" x 24" (inside)          TE: 17,410 lb
[Go to top of page]

[Go to Home Page]

Last revised: 29 October 1998