Editing GWR 4100 Class (section)

==Prototype 4-4-0 locomotives==

The [[GWR 7 (Armstrong) Class|Armstrong Class]] were a group of four locomotives designed by [[William Dean (engineer)|William Dean]] and built in 1894 with {{convert|7|ft|1.5|in|m|3|abbr=on}} driving wheels.<ref name=OSNa12>{{harvnb |Nock |1977 |p=12}}</ref> In April 1915 no. 16 ''Brunel'' was rebuilt with {{convert|6|ft|8.5|in|m|3|abbr=on}} wheels and piston valves, having already been fitted with a Standard No.2 boiler. It was renumbered 4169 as a member of the Flower Class.<ref name=OSNb60>{{harvnb |Nock |1978 |p=60}}</ref> No. 14 ''Charles Saunders'' was converted in May 1917, and the remaining two were dealt with in February 1923.<ref name=LeF27>{{harvnb |le Fleming |1954 |p=G27-G29}}</ref>

{| class=wikitable
!colspan=2 align=center|Numbers
!rowspan=2|Date<br />Renumbered
!colspan=2 align=center|Names
!rowspan=2|Date<br />Withdrawn
|-
!width="90" align=center|First
!width="90" align=center|Second
!width="110" align=center|First
!width="110" align=center|Second
|-
|align=center|16
|align=center|4169
|align=center|April 1915
|colspan=2|[[Isambard Kingdom Brunel|Brunel]]
|align=center|July 1930
|-
|align=center|14
|align=center|4170
|align=center|May 1917
|colspan=2|Charles Saunders
|align=center|August 1928
|-
|align=center|7
|align=center|4171
|align=center|February 1923
|Charles Saunders
|[[George Armstrong (engineer)|Armstrong]]
|align=center|September 1928
|-
|align=center|8
|align=center|4172
|align=center|February 1923
|colspan=2|[[Daniel Gooch|Gooch]]
|align=center|April 1929
|-
|}